Contents

1. Introduction .................................................................................................................................... 19

1.1. Scope ......................................................................................................................................................19

1.2. Audience ................................................................................................................................................19

1.3. Contact Information, Support .............................................................................................................19

1.4. Document Organization .......................................................................................................................19

1.5. Text Conventions ..................................................................................................................................20

1.6. Related Documents ...............................................................................................................................20

2. Overview ......................................................................................................................................... 21

2.1. About the document .............................................................................................................................21

3. AT COMMANDS .......................................................................................................................... 22

3.1. Definitions .............................................................................................................................................22

3.2. AT Command Syntax ...........................................................................................................................23 3.2.1. String Type Parameters ................................................................................................................................. 24 3.2.2. Command Lines............................................................................................................................................. 24

3.2.2.1. ME Error Result Code - +CME ERROR: ....................................................................................... 25 3.2.2.2. Message Service Failure Result Code - +CMS ERROR: ................................................................ 29

3.2.3. Information Responses And Result Codes .................................................................................................... 30 3.2.4. Command Response Time-Out ..................................................................................................................... 31 3.2.5. Command Issuing Timing ............................................................................................................................. 34

3.3. Storage ...................................................................................................................................................35 3.3.1. Factory Profile And User Profiles ................................................................................................................. 35

3.4. AT Commands Availability Table ......................................................................................................38

3.5. AT Commands References ..................................................................................................................51 3.5.1. Command Line General Format .................................................................................................................... 51

3.5.1.1. Command Line Prefixes ............................................................................................................................ 51 3.5.1.1.1. Starting A Command Line - AT.......................................................................................................... 51 3.5.1.1.2. Last Command Automatic Repetition - A/ ......................................................................................... 51 3.5.1.1.3. Repeat Last Command - AT#/ ............................................................................................................ 51

3.5.2. General Configuration Commands ................................................................................................................ 51 3.5.2.1. AT Interface Backward Compatibility ...................................................................................................... 51

3.5.2.1.1. Select Interface Style - #SELINT ....................................................................................................... 53 3.5.3. Hayes Compliant AT Commands .................................................................................................................. 54

3.5.3.1. Generic Modem Control ........................................................................................................................... 54 3.5.3.1.1. Set To Factory-Defined Configuration - &F ....................................................................................... 54 3.5.3.1.2. Soft Reset - Z ...................................................................................................................................... 54 3.5.3.1.3. Select Active Service Class - +FCLASS ............................................................................................ 54 3.5.3.1.4. Default Reset Basic Profile Designation - &Y .................................................................................... 55 3.5.3.1.5. Default Reset Full Profile Designation - &P ....................................................................................... 55 3.5.3.1.6. Store Current Configuration - &W ..................................................................................................... 55 3.5.3.1.7. Store Telephone Number - &Z ........................................................................................................... 56 3.5.3.1.8. Display Stored Numbers - &N ........................................................................................................... 56

3.5.3.1.9. Manufacturer Identification - +GMI ................................................................................................... 56 3.5.3.1.10. Model Identification - +GMM .......................................................................................................... 56 3.5.3.1.11. Revision Identification - +GMR ....................................................................................................... 57 3.5.3.1.12. Capabilities List - +GCAP ................................................................................................................ 57 3.5.3.1.13. Serial Number - +GSN ...................................................................................................................... 57 3.5.3.1.14. Display Configuration And Profile - &V ......................................................................................... 57 3.5.3.1.15. Display Configuration And Profile - &V0 ....................................................................................... 57 3.5.3.1.16. S Registers Display - &V1 ................................................................................................................ 58 3.5.3.1.17. Extended S Registers Display - &V3 ................................................................................................ 58 3.5.3.1.18. Display Last Connection Statistics - &V2 ........................................................................................ 59 3.5.3.1.19. Single Line Connect Message - \V .................................................................................................... 59 3.5.3.1.20. Country Of Installation - +GCI ......................................................................................................... 59 3.5.3.1.21. Line Signal Level - %L ..................................................................................................................... 59 3.5.3.1.22. Line Quality - %Q ............................................................................................................................. 59 3.5.3.1.23. Speaker Loudness - L ........................................................................................................................ 60 3.5.3.1.24. Speaker Mode - M ............................................................................................................................ 60 3.5.3.1.25. Master Reset - +CMAR .................................................................................................................... 60

3.5.3.2. DTE - Modem Interface Control ............................................................................................................... 61 3.5.3.2.1. Command Echo - E ............................................................................................................................. 61 3.5.3.2.2. Quiet Result Codes - Q ....................................................................................................................... 61 3.5.3.2.3. Response Format - V .......................................................................................................................... 62 3.5.3.2.4. Extended Result Codes - X ................................................................................................................. 63 3.5.3.2.5. Identification Information - I .............................................................................................................. 63 3.5.3.2.6. Data Carrier Detect (DCD) Control - &C ........................................................................................... 63 3.5.3.2.7. Data Terminal Ready (DTR) Control - &D ........................................................................................ 64 3.5.3.2.8. Standard Flow Control - \Q ................................................................................................................. 65 3.5.3.2.9. Flow Control - &K .............................................................................................................................. 65 3.5.3.2.10. Data Set Ready (DSR) Control - &S ................................................................................................. 66 3.5.3.2.11. Ring (RI) Control - \R ....................................................................................................................... 66 3.5.3.2.12. Fixed DTE Interface Rate - +IPR...................................................................................................... 67 3.5.3.2.13. DTE-Modem Local Flow Control - +IFC ......................................................................................... 68 3.5.3.2.14. DTE-Modem Local Rate Reporting - +ILRR ................................................................................... 69 3.5.3.2.15. DTE-Modem Character Framing - +ICF .......................................................................................... 69

3.5.3.3. Call Control ............................................................................................................................................... 71 3.5.3.3.1. Dial - D ............................................................................................................................................... 71 3.5.3.3.2. Tone Dial - T ....................................................................................................................................... 75 3.5.3.3.3. Pulse Dial - P ...................................................................................................................................... 75 3.5.3.3.4. Answer - A .......................................................................................................................................... 75 3.5.3.3.5. Disconnect - H .................................................................................................................................... 75 3.5.3.3.6. Return To On Line Mode - O .............................................................................................................. 76

3.5.3.4. Modulation Control ................................................................................................................................... 76 3.5.3.4.1. Modulation Selection - +MS ............................................................................................................... 76 3.5.3.4.2. Line Quality And Auto Retrain - %E .................................................................................................. 77

3.5.3.5. Compression Control ................................................................................................................................ 77 3.5.3.5.1. Data Compression - +DS .................................................................................................................... 77 3.5.3.5.2. Data Compression Reporting - +DR ................................................................................................... 77

3.5.3.6. S Parameters .............................................................................................................................................. 78 3.5.3.6.1. Number Of Rings To Auto Answer - S0 ............................................................................................. 78 3.5.3.6.2. Ring Counter - S1 ............................................................................................................................... 79 3.5.3.6.3. Escape Character - S2 ......................................................................................................................... 79 3.5.3.6.4. Command Line Termination Character - S3 ....................................................................................... 80 3.5.3.6.5. Response Formatting Character - S4 ................................................................................................... 81

3.5.3.6.6. Command Line Editing Character - S5 ............................................................................................... 81 3.5.3.6.7. Connection Completion Time-Out - S7 .............................................................................................. 82 3.5.3.6.8. Carrier Off With Firm Time - S10 ................................................................................................... 83 3.5.3.6.9. Escape Prompt Delay - S12 ................................................................................................................ 83 3.5.3.6.10. Delay To DTR Off - S25................................................................................................................... 84 3.5.3.6.11. Disconnect Inactivity Timer - S30 .................................................................................................... 85 3.5.3.6.12. Delay Before Forced Hang Up - S38 ................................................................................................ 85

3.5.4. 3GPP TS 27.007 AT Commands ................................................................................................................... 87 3.5.4.1. General ...................................................................................................................................................... 87

3.5.4.1.1. Request Manufacturer Identification - +CGMI ................................................................................... 87 3.5.4.1.2. Request Model Identification - +CGMM ............................................................................................ 87 3.5.4.1.3. Request Revision Identification - +CGMR ......................................................................................... 87 3.5.4.1.4. Request Product Serial Number Identification - +CGSN ................................................................... 88 3.5.4.1.5. Select TE Character Set - +CSCS ....................................................................................................... 88 3.5.4.1.6. International Mobile Subscriber Identity (IMSI) - +CIMI .................................................................. 89 3.5.4.1.7. Multiplexing Mode - +CMUX ............................................................................................................ 90 3.5.4.1.8. Select Wireless Network - +WS46 ..................................................................................................... 91 3.5.4.1.9. Select preferred MT power class - +CPWC ........................................................................................ 91

3.5.4.2. Call Control ............................................................................................................................................... 93 3.5.4.2.1. Hang Up Call - +CHUP ...................................................................................................................... 93 3.5.4.2.2. Select Bearer Service Type - +CBST .................................................................................................. 93 3.5.4.2.3. Radio Link Protocol - +CRLP ............................................................................................................ 95 3.5.4.2.4. Service Reporting Control - +CR ........................................................................................................ 95 3.5.4.2.5. Extended Error Report - +CEER......................................................................................................... 96 3.5.4.2.6. Cellular Result Codes - +CRC ............................................................................................................ 97 3.5.4.2.7. Single Numbering Scheme - +CSNS .................................................................................................. 98 3.5.4.2.8. Voice Hang Up Control - +CVHU ..................................................................................................... 99

3.5.4.3. Network Service Handling ........................................................................................................................ 99 3.5.4.3.1. Subscriber Number - +CNUM ............................................................................................................ 99 3.5.4.3.2. Read Operator Names - +COPN ....................................................................................................... 101 3.5.4.3.3. Network Registration Report - +CREG ............................................................................................ 101 3.5.4.3.4. Operator Selection - +COPS ............................................................................................................. 104 3.5.4.3.5. Facility Lock/Unlock - +CLCK ........................................................................................................ 108 3.5.4.3.6. Facility Improved Lock/Unlock - @CLCK ...................................................................................... 110 3.5.4.3.7. Change Facility Password - +CPWD ................................................................................................ 112 3.5.4.3.8. Calling Line Identification Presentation - +CLIP ............................................................................. 113 3.5.4.3.9. Calling Line Identification Restriction - +CLIR ............................................................................... 115 3.5.4.3.10. Call Forwarding Number And Conditions - +CCFC ...................................................................... 117 3.5.4.3.11. Call Waiting - +CCWA .................................................................................................................. 118 3.5.4.3.12. Call Holding Services - +CHLD ..................................................................................................... 121 3.5.4.3.13. Unstructured Supplementary Service Data - +CUSD ..................................................................... 123 3.5.4.3.14. Advice Of Charge - +CAOC ........................................................................................................... 125 3.5.4.3.15. List Current Calls - +CLCC ............................................................................................................ 127 3.5.4.3.16. SS Notification - +CSSN ................................................................................................................ 128 3.5.4.3.17. Closed User Group - +CCUG ........................................................................................................ 130 3.5.4.3.18. Preferred Operator List - +CPOL .................................................................................................... 132 3.5.4.3.19. Selection of preferred PLMN list - +CPLS ..................................................................................... 132 3.5.4.3.20. Call deflection - +CTFR ................................................................................................................. 133

3.5.4.4. Mobile Equipment Control ..................................................................................................................... 133 3.5.4.4.1. Phone Activity Status - +CPAS ........................................................................................................ 133 3.5.4.4.2. Set Phone Functionality - +CFUN .................................................................................................... 134 3.5.4.4.3. Enter PIN - +CPIN ............................................................................................................................ 137

3.5.4.4.4. Signal Quality - +CSQ ...................................................................................................................... 142 3.5.4.4.5. Indicator Control - +CIND ................................................................................................................ 143 3.5.4.4.6. Mobile Equipment Event Reporting - +CMER................................................................................. 145 3.5.4.4.7. Select Phonebook Memory Storage - +CPBS ................................................................................... 146 3.5.4.4.8. Read Phonebook Entries - +CPBR ................................................................................................... 147 3.5.4.4.9. Find Phonebook Entries - +CPBF ..................................................................................................... 150 3.5.4.4.10. Write Phonebook Entry - +CPBW .................................................................................................. 152 3.5.4.4.11. Clock Management - +CCLK ......................................................................................................... 154 3.5.4.4.12. Alarm Management - +CALA ........................................................................................................ 155 3.5.4.4.13. Postpone alarm - +CAPD ................................................................................................................ 159 3.5.4.4.14. Setting date format - +CSDF .......................................................................................................... 160 3.5.4.4.15. Setting time format - +CSTF .......................................................................................................... 161 3.5.4.4.16. Time Zone reporting - +CTZR ........................................................................................................ 161 3.5.4.4.17. Automatic Time Zone update - +CTZU .......................................................................................... 161 3.5.4.4.18. Restricted SIM Access - +CRSM ................................................................................................... 162 3.5.4.4.19. Alert Sound Mode - +CALM .......................................................................................................... 163 3.5.4.4.20. Ringer Sound Level - +CRSL ......................................................................................................... 164 3.5.4.4.21. Loudspeaker Volume Level - +CLVL ............................................................................................ 166 3.5.4.4.22. Microphone Mute Control - +CMUT ............................................................................................. 166 3.5.4.4.23. Silence command - +CSIL .............................................................................................................. 167 3.5.4.4.24. Accumulated Call Meter - +CACM ................................................................................................ 168 3.5.4.4.25. Accumulated Call Meter Maximum - +CAMM ............................................................................. 169 3.5.4.4.26. Price per Unit and Currency Table - +CPUC .................................................................................. 170 3.5.4.4.27. Call meter maximum event - +CCWE ............................................................................................ 171 3.5.4.4.28. Available AT Commands - +CLAC ............................................................................................... 171 3.5.4.4.29. Delete Alarm - +CALD................................................................................................................... 172 3.5.4.4.30. Read ICCID - +CCID ..................................................................................................................... 172 3.5.4.4.31. Generic SIM access - +CSIM ......................................................................................................... 172 3.5.4.4.32. Set Voice Mail Number - +CSVM.................................................................................................. 176

3.5.4.5. Mobile Equipment Errors ........................................................................................................................ 177 3.5.4.5.1. Report Mobile Equipment Error - +CMEE ....................................................................................... 177 3.5.4.5.2. Set CMEE mode - #CMEEMODE ................................................................................................... 178

3.5.4.6. Voice Control .......................................................................................................................................... 178 3.5.4.6.1. DTMF Tones Transmission - +VTS ................................................................................................. 178 3.5.4.6.2. Tone Duration - +VTD ..................................................................................................................... 180

3.5.4.7. Commands For GPRS ............................................................................................................................. 181 3.5.4.7.1. GPRS Mobile Station Class - +CGCLASS ....................................................................................... 181 3.5.4.7.2. GPRS Attach Or Detach - +CGATT ................................................................................................. 181 3.5.4.7.3. GPRS Event Reporting - +CGEREP................................................................................................. 182 3.5.4.7.4. GPRS Network Registration Status - +CGREG ............................................................................... 184 3.5.4.7.5. Define PDP Context - +CGDCONT ................................................................................................. 186 3.5.4.7.6. Quality Of Service Profile - +CGQMIN ........................................................................................... 188 3.5.4.7.7. Quality Of Service Profile - +CGQREQ ........................................................................................... 190 3.5.4.7.8. PDP Context - +CGACT................................................................................................................... 192 3.5.4.7.9. Show PDP Address - +CGPADDR................................................................................................... 193 3.5.4.7.10. Enter Data State - +CGDATA ........................................................................................................ 195 3.5.4.7.11. Modify PDP context - +CGCMOD................................................................................................. 196

3.5.4.8. Commands For Battery Charger ............................................................................................................. 197 3.5.4.8.1. Battery Charge - +CBC ..................................................................................................................... 197

3.5.5. 3GPP TS 27.005 AT Commands for SMS and CBS ................................................................................... 199 3.5.5.1. General Configuration ............................................................................................................................. 199

3.5.5.1.1. Select Message Service - +CSMS ..................................................................................................... 199

3.5.5.1.2. Preferred Message Storage - +CPMS ............................................................................................... 200 3.5.5.1.3. Message Format - +CMGF ............................................................................................................... 204

3.5.5.2. Message Configuration ........................................................................................................................... 204 3.5.5.2.1. Service Center Address - +CSCA ..................................................................................................... 204 3.5.5.2.2. Set Text Mode Parameters - +CSMP ................................................................................................ 206 3.5.5.2.3. Show Text Mode Parameters - +CSDH ............................................................................................ 211 3.5.5.2.4. Select Cell Broadcast - +CSCB ........................................................................................................ 212 3.5.5.2.5. Save Settings - +CSAS ..................................................................................................................... 213 3.5.5.2.6. Restore Settings - +CRES ................................................................................................................. 214

3.5.5.3. Message Receiving And Reading ........................................................................................................... 215 3.5.5.3.1. New Message Indications - +CNMI ................................................................................................. 215 3.5.5.3.2. List Messages - +CMGL ................................................................................................................... 226 3.5.5.3.3. List Messages - @CMGL ................................................................................................................. 233 3.5.5.3.4. Read Message - +CMGR .................................................................................................................. 236 3.5.5.3.5. Read Message - @CMGR ................................................................................................................. 242

3.5.5.4. Message Sending And Writing ............................................................................................................... 247 3.5.5.4.1. Send Message - +CMGS ................................................................................................................... 247 3.5.5.4.2. Send Message From Storage - +CMSS ............................................................................................. 254 3.5.5.4.3. Write Message To Memory - +CMGW ............................................................................................ 255 3.5.5.4.4. Delete Message - +CMGD ................................................................................................................ 263 3.5.5.4.5. Select service for MO SMS messages - +CGSMS ........................................................................... 265

3.5.6. FAX Class 1 AT Commands ....................................................................................................................... 266 3.5.6.1. General Configuration ............................................................................................................................. 266

3.5.6.1.1. Manufacturer ID - +FMI ................................................................................................................... 266 3.5.6.1.2. Model ID - +FMM ............................................................................................................................ 266 3.5.6.1.3. Revision ID - +FMR ......................................................................................................................... 266

3.5.6.2. Transmission/Reception Control ............................................................................................................. 267 3.5.6.2.1. Stop Transmission And Pause - +FTS .............................................................................................. 267 3.5.6.2.2. Wait For Receive Silence - +FRS ..................................................................................................... 267 3.5.6.2.3. Transmit Data Modulation - +FTM .................................................................................................. 268 3.5.6.2.4. Receive Data Modulation - +FRM .................................................................................................... 269 3.5.6.2.5. Transmit Data With HDLC Framing - +FTH ................................................................................... 269 3.5.6.2.6. Receive Data With HDLC Framing - +FRH ..................................................................................... 270

3.5.6.3. Serial Port Control .................................................................................................................................. 270 3.5.6.3.1. Select Flow Control - +FLO ............................................................................................................. 270 3.5.6.3.2. Serial Port Rate - +FPR ..................................................................................................................... 271 3.5.6.3.3. Double Escape Character Replacement - +FDD ............................................................................... 271

3.5.7. Custom AT Commands ............................................................................................................................... 272 3.5.7.1. General Configuration AT Commands ................................................................................................... 272

3.5.7.1.1. Network Selection Menu Availability - +PACSP ............................................................................. 272 3.5.7.1.2. Manufacturer Identification - #CGMI ............................................................................................... 272 3.5.7.1.3. Model Identification - #CGMM ........................................................................................................ 272 3.5.7.1.4. Revision Identification - #CGMR ..................................................................................................... 273 3.5.7.1.5. Product Serial Number Identification - #CGSN................................................................................ 273 3.5.7.1.6. International Mobile Subscriber Identity (IMSI) - #CIMI ................................................................ 273 3.5.7.1.7. Read ICCID (Integrated Circuit Card Identification) - #CCID ......................................................... 273 3.5.7.1.8. Service Provider Name - #SPN ......................................................................................................... 274 3.5.7.1.9. Extended Numeric Error report - #CEER ......................................................................................... 274 3.5.7.1.10. Extended error report for Network Reject cause - #CEERNET ...................................................... 276 3.5.7.1.11. Select Registration Operation Mode - #REGMODE ...................................................................... 278 3.5.7.1.12. SMS Commands Operation Mode - #SMSMODE ......................................................................... 278 3.5.7.1.13. PLMN List Selection - #PLMNMODE .......................................................................................... 279

3.5.7.1.14. Update PLMN List - #PLMNUPDATE .......................................................................................... 280 3.5.7.1.15. Forbidden PLMN deletion - #FPLMN ............................................................................................ 281 3.5.7.1.16. Display PIN Counter - #PCT .......................................................................................................... 282 3.5.7.1.17. Software Shut Down - #SHDN ....................................................................................................... 282 3.5.7.1.18. Extended Reset - #Z ........................................................................................................................ 283 3.5.7.1.19. Periodic Reset - #ENHRST ............................................................................................................. 283 3.5.7.1.20. Wake From Alarm Mode - #WAKE ............................................................................................... 284 3.5.7.1.21. Query Temperature Overflow - #QTEMP ...................................................................................... 286 3.5.7.1.22. Temperature Monitor - #TEMPMON ............................................................................................. 287 3.5.7.1.23. Temperature monitor configuration - #TEMPCFG......................................................................... 290 3.5.7.1.24. Set General Purpose Output - #SGPO ............................................................................................ 291 3.5.7.1.25. General Purpose Input - #GGPI ...................................................................................................... 292 3.5.7.1.26. General Purpose Input/Output Pin Control - #GPIO....................................................................... 292 3.5.7.1.27. Alarm Pin - #ALARMPIN .............................................................................................................. 296 3.5.7.1.28. STAT_LED GPIO Setting - #SLED ............................................................................................... 297 3.5.7.1.29. Save STAT_LED GPIO Setting - #SLEDSAV .............................................................................. 297 3.5.7.1.30. Analog/Digital Converter Input - #ADC ......................................................................................... 298 3.5.7.1.31. Digital/Analog Converter Control - #DAC ..................................................................................... 299 3.5.7.1.32. Auxiliary Voltage Output Control - #VAUX .................................................................................. 300 3.5.7.1.33. Auxiliary Voltage Output Save - #VAUXSAV .............................................................................. 302 3.5.7.1.34. V24 Output pins mode - #V24MODE ............................................................................................ 302 3.5.7.1.35. V24 Output Pins Configuration - #V24CFG ................................................................................... 303 3.5.7.1.36. V24 Output Pins Control - #V24 .................................................................................................... 303 3.5.7.1.37. RF Transmission Monitor Mode - #TXMONMODE ..................................................................... 304 3.5.7.1.38. Battery And Charger Status - #CBC ............................................................................................... 305 3.5.7.1.39. GPRS Auto-Attach Property - #AUTOATT ................................................................................... 305 3.5.7.1.40. Multislot Class Control - #MSCLASS ............................................................................................ 306 3.5.7.1.41. Cell Monitor - #MONI .................................................................................................................... 307 3.5.7.1.42. Compressed Cell Monitor - #MONIZIP ......................................................................................... 313 3.5.7.1.43. Serving Cell Information - #SERVINFO ........................................................................................ 314 3.5.7.1.44. +CCED - Cell Environment Description ........................................................................................ 316 3.5.7.1.45. +COPS Mode - #COPSMODE ....................................................................................................... 317 3.5.7.1.46. Query SIM Status - #QSS ............................................................................................................... 318 3.5.7.1.47. ATD Dialing Mode - #DIALMODE ............................................................................................... 320 3.5.7.1.48. Automatic Call - #ACAL ................................................................................................................ 321 3.5.7.1.49. Extended Automatic Call - #ACALEXT ........................................................................................ 322 3.5.7.1.50. Extended Call Monitoring - #ECAM .............................................................................................. 323 3.5.7.1.51. SMS Overflow - #SMOV ............................................................................................................... 325 3.5.7.1.52. Mailbox Numbers - #MBN ............................................................................................................. 326 3.5.7.1.53. Message Waiting Indication - #MWI .............................................................................................. 326 3.5.7.1.54. Forward Message From Storage - #CMSFW .................................................................................. 328 3.5.7.1.55. Audio Codec - #CODEC................................................................................................................. 329 3.5.7.1.56. Network Timezone - #NITZ ........................................................................................................... 330 3.5.7.1.57. Clock management - #CCLK .......................................................................................................... 332 3.5.7.1.58. #NTP Network Time .................................................................................................................... 333 3.5.7.1.59. Enhanced Network Selection - #ENS ............................................................................................. 334 3.5.7.1.60. Select Band - #BND ........................................................................................................................ 335 3.5.7.1.61. Automatic Band Selection - #AUTOBND ...................................................................................... 336 3.5.7.1.62. Lock to single band - #BNDLOCK ................................................................................................ 338 3.5.7.1.63. Lock to single BCCH ARFCN #BCCHLOCK ............................................................................ 339 3.5.7.1.64. Network Scan Timer - #NWSCANTMR ........................................................................................ 340 3.5.7.1.65. Enable Network Friendly Mode - #NFM ........................................................................................ 340

3.5.7.1.66. Configure Network Friendly Mode - #NFMC ................................................................................ 343 3.5.7.1.67. Reset and report status of Network friendly Mode - #NFMS ......................................................... 345 3.5.7.1.68. IMSI Catcher detection enable - #IMCDEN ................................................................................... 346 3.5.7.1.69. Skip Escape Sequence - #SKIPESC ............................................................................................... 347 3.5.7.1.70. Escape Sequence Guard Time - #E2ESC ........................................................................................ 348 3.5.7.1.71. PPP-GPRS Connection Authentication Type - #GAUTH .............................................................. 349 3.5.7.1.72. PPP-GPRS Parameters Configuration - #GPPPCFG ...................................................................... 350 3.5.7.1.73. Enables/disables PPP compression - #GPPPCFGEXT ................................................................... 351 3.5.7.1.74. Tune PDP parameters - #EQUPDP ................................................................................................. 351 3.5.7.1.75. RTC Status - #RTCSTAT ............................................................................................................... 352 3.5.7.1.76. GSM Antenna Detection - #GSMAD ............................................................................................. 353 3.5.7.1.77. SIM Detection Mode - #SIMDET................................................................................................... 354 3.5.7.1.78. SIM Enhanced Speed - #ENHSIM ................................................................................................. 355 3.5.7.1.79. Subscriber number - #SNUM ......................................................................................................... 356 3.5.7.1.80. SIM Answer to Reset - #SIMATR .................................................................................................. 356 3.5.7.1.81. CPU Clock Mode - #CPUMODE ................................................................................................... 357 3.5.7.1.82. GSM Context Definition - #GSMCONT ........................................................................................ 357 3.5.7.1.83. IPEGSM configurations - #GSMCONTCFG ................................................................................. 358 3.5.7.1.84. Show Address - #CGPADDR ......................................................................................................... 358 3.5.7.1.85. Configure TCP window size - #TCPMAXWIN ............................................................................. 359 3.5.7.1.86. Network Scan Timer - #NWSCANTMR ........................................................................................ 360 3.5.7.1.87. Call Establishment Lock - #CESTHLCK ....................................................................................... 361 3.5.7.1.88. Phone Activity Status - #CPASMODE ........................................................................................... 361 3.5.7.1.89. ICCID SIM file reading mode - #FASTCCID ................................................................................ 362 3.5.7.1.90. Write to I2C - #I2CWR ................................................................................................................... 362 3.5.7.1.91. Read to I2C - #I2CRD .................................................................................................................... 363 3.5.7.1.92. Software level selection - #SWLEVEL .......................................................................................... 364 3.5.7.1.93. Control Command Flow - #CFLO .................................................................................................. 365 3.5.7.1.94. Report concatenated SMS indexes - #CMGLCONCINDEX .......................................................... 365 3.5.7.1.95. Codec Information - #CODECINFO .............................................................................................. 366 3.5.7.1.96. Enable trace - +TRACE .................................................................................................................. 368 3.5.7.1.97. Second Interface Instance - #SII ..................................................................................................... 369 3.5.7.1.98. SIMIN pin configuration - #SIMINCFG ........................................................................................ 370 3.5.7.1.99. System turn-off - #SYSHALT ........................................................................................................ 371 3.5.7.1.100. Enable USIM application - #ENAUSIM ...................................................................................... 371 3.5.7.1.101. Select language - #LANG ............................................................................................................. 372 3.5.7.1.102. Call forwarding Flags - #CFF ....................................................................................................... 372 3.5.7.1.103. Hang up call - #CHUP .................................................................................................................. 373 3.5.7.1.104. Set Encryption algorithm - #ENCALG ......................................................................................... 373 3.5.7.1.105. RS485 enable/disable and configure - #RS485 ............................................................................. 375 3.5.7.1.106. Read current network status - #RFSTS ......................................................................................... 376 3.5.7.1.107. Set CMUX Mode - #CMUXMODE ............................................................................................. 376 3.5.7.1.108. Connect physical ports to Service Access Points - #PORTCFG ................................................... 377 3.5.7.1.109. Change and insert file system password - #FILEPWD ................................................................. 378 3.5.7.1.110. NO CARRIER Indication Handling - #NCIH ............................................................................... 379 3.5.7.1.111. AT Command Delay #ATDELAY ............................................................................................ 379 3.5.7.1.112. Power Fix #PCLFIX .................................................................................................................. 380 3.5.7.1.113. PCL Minimum #PCLMIN ......................................................................................................... 382 3.5.7.1.114. Enable Test Mode command in not signalling mode #TESTMODE ......................................... 384 3.5.7.1.115. Select the GSM paging number to skip #IDLEPAGING ........................................................... 387

3.5.7.2. Ring Indicator Commands ...................................................................................................................... 387 3.5.7.2.1. Event Ring Indicator - #E2RI ........................................................................................................... 387

3.5.7.2.2. Socket Listen Ring Indicator - #E2SLRI .......................................................................................... 388 3.5.7.2.3. SMS Ring Indicator - #E2SMSRI ..................................................................................................... 389 3.5.7.2.4. Power saving mode ring - #PSMRI .................................................................................................. 390 3.5.7.2.5. OTA Set Ring Indicator - #OTASETRI ............................................................................................ 390

3.5.7.3. AT Run Commands................................................................................................................................. 393 3.5.7.3.1. Enable SMS Run AT Service - #SMSATRUN ................................................................................. 393 3.5.7.3.2. Set SMS Run AT Service parameters - #SMSATRUNCFG............................................................. 393 3.5.7.3.3. SMS AT Run White List - #SMSATWL .......................................................................................... 394 3.5.7.3.4. Set TCP Run AT Service parameter - #TCPATRUNCFG ............................................................... 395 3.5.7.3.5. TCP Run AT Service in listen (server) mode - #TCPATRUNL ....................................................... 397 3.5.7.3.6. TCP AT Run Firewall List - #TCPATRUNFRWL........................................................................... 398 3.5.7.3.7. TCP AT Run Authentication Parameters List - #TCPATRUNAUTH.............................................. 399 3.5.7.3.8. TCP AT Run in dial (client) mode - #TCPATRUND ....................................................................... 400 3.5.7.3.9. Closing TCP Run AT Socket - #TCPATRUNCLOSE ..................................................................... 401 3.5.7.3.10. TCP AT Run Command Sequence - #TCPATCMDSEQ ............................................................... 401 3.5.7.3.11. TCP Run AT service to a serial port - #TCPATCONSER .............................................................. 401 3.5.7.3.12. Run AT command execution - #ATRUNDELAY .......................................................................... 402

3.5.7.4. Event Monitor Commands ...................................................................................................................... 403 3.5.7.4.1. Enable EvMoni Service - #ENAEVMONI ....................................................................................... 403 3.5.7.4.2. EvMoni Service parameter - #ENAEVMONICFG........................................................................... 403 3.5.7.4.3. Event Monitoring - #EVMONI ......................................................................................................... 404 3.5.7.4.4. Send Message - #CMGS ................................................................................................................... 407 3.5.7.4.5. Write Message To Memory - #CMGW ............................................................................................ 409

3.5.7.5. CONSUME Commands .......................................................................................................................... 411 3.5.7.5.1. Configure consume parameters - #CONSUMECFG ........................................................................ 411 3.5.7.5.2. Enable consume functionality - #ENACONSUME .......................................................................... 412 3.5.7.5.3. Report consume statistics - #STATSCONSUME ............................................................................. 413 3.5.7.5.4. Block/unblock a type of service - #BLOCKSCONSUME................................................................ 415

3.5.7.6. FOTA Commands ................................................................................................................................... 416 3.5.7.6.1. OTA Set Network Access Point - #OTASNAP ................................................................................ 416 3.5.7.6.2. OTA Set User Answer - #OTASUAN .............................................................................................. 417 3.5.7.6.3. Saves IP port and IP address for OTA over IP - #OTAIPCFG ......................................................... 421 3.5.7.6.4. Starts an OTA Update over IP - #OTAIPUPD ................................................................................. 422 3.5.7.6.5. OTA Set IP port and address for OTA over IP - #OTASNAPIP ...................................................... 423 3.5.7.6.6. OTA Set Access Point Name for OTA over IP - #OTASNAPIPCFG .............................................. 425 3.5.7.6.7. OTA Registration status - #OTAREG .............................................................................................. 427

3.5.7.7. Multisocket AT Commands .................................................................................................................... 430 3.5.7.7.1. Socket Status - #SS ........................................................................................................................... 430 3.5.7.7.2. Socket Info - #SI ............................................................................................................................... 431 3.5.7.7.3. Context Activation - #SGACT .......................................................................................................... 433 3.5.7.7.4. Socket Shutdown - #SH .................................................................................................................... 434 3.5.7.7.5. Socket Configuration - #SCFG ......................................................................................................... 434 3.5.7.7.6. Socket Configuration Extended - #SCFGEXT ................................................................................. 435 3.5.7.7.7. Socket configuration Extended 2 - #SCFGEXT2 ............................................................................. 437 3.5.7.7.8. Socket configuration Extended 3 - #SCFGEXT3 ............................................................................. 440 3.5.7.7.9. #APPSKTCFG Configure monosocket parameters ....................................................................... 441 3.5.7.7.10. Socket Dial - #SD ........................................................................................................................... 442 3.5.7.7.11. Socket Restore - #SO ...................................................................................................................... 443 3.5.7.7.12. Socket Listen - #SL ......................................................................................................................... 443 3.5.7.7.13. Socket Listen UDP - #SLUDP ........................................................................................................ 445 3.5.7.7.14. Socket Accept - #SA ....................................................................................................................... 446 3.5.7.7.15. Receive Data In Command Mode - #SRECV ................................................................................. 446

3.5.7.7.16. Send Data In Command Mode - #SSEND ...................................................................................... 448 3.5.7.7.17. Socket Info Extended - #SIEXT ..................................................................................................... 448 3.5.7.7.18. Send data in Command Mode extended - #SSENDEXT ................................................................ 449 3.5.7.7.19. IP Easy Authentication Type - #SGACTAUTH ............................................................................. 450 3.5.7.7.20. Context activation and configuration - #SGACTCFG .................................................................... 451 3.5.7.7.21. Context activation and configuration extended - #SGACTCFGEXT ............................................. 452 3.5.7.7.22. PAD command features - #PADCMD ............................................................................................ 453 3.5.7.7.23. PAD forward character - #PADFWD ............................................................................................. 453 3.5.7.7.24. Base64 encoding/decoding of data sent/received on a socket - #BASE64 ..................................... 454 3.5.7.7.25. Send UDP data to a specific remote host - #SSENDUDP .............................................................. 456 3.5.7.7.26. Send UDP data to a specific remote host extended - #SSENDUDPEXT ....................................... 458 3.5.7.7.27. Socket Type - #ST .......................................................................................................................... 459 3.5.7.7.28. Detect the cause of a socket disconnection - #SLASTCLOSURE .................................................. 460 3.5.7.7.29. Open a connection, send data and close connection - #SSENDLINE............................................. 461 3.5.7.7.30. #SGACT and #SSENDLINE configuration - #IPCONSUMECFG ................................................ 462

3.5.7.8. FTP AT Commands ................................................................................................................................ 464 3.5.7.8.1. FTP Time-Out - #FTPTO ................................................................................................................. 464 3.5.7.8.2. FTP Open - #FTPOPEN ................................................................................................................... 464 3.5.7.8.3. FTP Close - #FTPCLOSE ................................................................................................................. 465 3.5.7.8.4. FTP Put - #FTPPUT .......................................................................................................................... 465 3.5.7.8.5. FTP Get - #FTPGET ......................................................................................................................... 466 3.5.7.8.6. FTP GET in command mode - #FTPGETPKT ................................................................................ 467 3.5.7.8.7. FTP Type - #FTPTYPE .................................................................................................................... 468 3.5.7.8.8. FTP Read Message - #FTPMSG ....................................................................................................... 469 3.5.7.8.9. FTP Delete - #FTPDELE .................................................................................................................. 469 3.5.7.8.10. FTP Print Working Directory - #FTPPWD..................................................................................... 470 3.5.7.8.11. FTP Change Working Directory - #FTPCWD ................................................................................ 470 3.5.7.8.12. FTP List - #FTPLIST ...................................................................................................................... 471 3.5.7.8.13. Get file size - #FTPFSIZE .............................................................................................................. 471 3.5.7.8.14. FTP Append - #FTPAPP................................................................................................................. 472 3.5.7.8.15. send data on a FTP data port while the module is in command mode - #FTPAPPEXT ................. 472 3.5.7.8.16. Set restart position - # FTPREST .................................................................................................... 474 3.5.7.8.17. Receive Data In Command Mode - #FTPRECV ............................................................................ 475 3.5.7.8.18. FTP configuration - #FTPCFG ....................................................................................................... 477

3.5.7.9. Enhanced IP Easy Extension AT Commands ......................................................................................... 479 3.5.7.9.1. Authentication User ID - #USERID ................................................................................................. 479 3.5.7.9.2. Authentication Password - #PASSW ................................................................................................ 480 3.5.7.9.3. Packet Size - #PKTSZ....................................................................................................................... 480 3.5.7.9.4. Data Sending Time-Out - #DSTO ..................................................................................................... 481 3.5.7.9.5. Socket Inactivity Time-Out - #SKTTO ............................................................................................. 483 3.5.7.9.6. Socket Definition - #SKTSET .......................................................................................................... 484 3.5.7.9.7. Socket Open - #SKTOP .................................................................................................................... 486 3.5.7.9.8. Query DNS - #QDNS ....................................................................................................................... 487 3.5.7.9.9. DNS Response Caching - #CACHEDNS ......................................................................................... 488 3.5.7.9.10. Manual DNS Selection - #DNS ...................................................................................................... 489 3.5.7.9.11. DNS from Network - #NWDNS ..................................................................................................... 490 3.5.7.9.12. Socket TCP Connection Time-Out - #SKTCT ............................................................................... 490 3.5.7.9.13. Socket Parameters Save - #SKTSAV ............................................................................................. 491 3.5.7.9.14. Socket Parameters Reset - #SKTRST ............................................................................................. 492 3.5.7.9.15. GPRS Context Activation - #GPRS ................................................................................................ 493 3.5.7.9.16. Socket Dial - #SKTD ...................................................................................................................... 496 3.5.7.9.17. Socket Listen - #SKTL ................................................................................................................... 498

3.5.7.9.18. Socket Listen Improved - @SKTL ................................................................................................. 502 3.5.7.9.19. Firewall Setup - #FRWL ................................................................................................................. 504 3.5.7.9.20. Firewall Setup for IPV6 addresses - #FRWLIPV6 ......................................................................... 506 3.5.7.9.21. GPRS Data Volume - #GDATAVOL ............................................................................................. 507 3.5.7.9.22. ICMP Ping Support - #ICMP .......................................................................................................... 508 3.5.7.9.23. Maximum TCP Payload Size - #TCPMAXDAT ............................................................................ 509 3.5.7.9.24. TCP Reassembly - #TCPREASS .................................................................................................... 509 3.5.7.9.25. PING request - #PING .................................................................................................................... 510

3.5.7.10. E-mail Management AT Commands .................................................................................................. 512 3.5.7.10.1. Configure SMTP parameters - #SMTPCFG ................................................................................... 512 3.5.7.10.2. E-mail SMTP Server - #ESMTP ..................................................................................................... 513 3.5.7.10.3. E-mail Sender Address - #EADDR ................................................................................................. 514 3.5.7.10.4. E-mail Authentication User Name - #EUSER ................................................................................ 515 3.5.7.10.5. E-mail Authentication Password - #EPASSW ................................................................................ 516 3.5.7.10.6. E-mail Sending With GPRS Context Activation - #SEMAIL ........................................................ 517 3.5.7.10.7. E-mail GPRS Context Activation - #EMAILACT.......................................................................... 518 3.5.7.10.8. E-mail Sending - #EMAILD ........................................................................................................... 521 3.5.7.10.9. E-mail Parameters Save - #ESAV ................................................................................................... 523 3.5.7.10.10. E-mail Parameters Reset - #ERST ................................................................................................ 523 3.5.7.10.11. SMTP Read Message - #EMAILMSG.......................................................................................... 524 3.5.7.10.12. Send mail with attachment - #SMTPCL ....................................................................................... 524 3.5.7.10.13. E-mail SMTP Port - #ESMTPPORT ............................................................................................ 525 3.5.7.10.14. E-mail sender name - #ENAME ................................................................................................... 526

3.5.7.11. Easy Scan Extension AT Commands............................................................................................... 527 3.5.7.11.1. Network Survey - #CSURV ............................................................................................................ 527 3.5.7.11.2. Network Survey - #CSURVC ......................................................................................................... 533 3.5.7.11.3. Network Survey - #CSURVU ......................................................................................................... 538 3.5.7.11.4. Network Survey - #CSURVUC ...................................................................................................... 540 3.5.7.11.5. BCCH Network Survey - #CSURVB ............................................................................................. 541 3.5.7.11.6. BCCH Network Survey - #CSURVBC ........................................................................................... 542 3.5.7.11.7. Network Survey Format - #CSURVF ............................................................................................. 542 3.5.7.11.8. Removing On Easy Scan Commands Family - #CSURVNLF ................................ 543 3.5.7.11.9. Extended Network Survey - #CSURVEXT .................................................................................... 544 3.5.7.11.10. PLMN Network Survey - #CSURVP............................................................................................ 545 3.5.7.11.11. PLMN Network Survey (Numeric Format) - #CSURVPC ........................................................... 545 3.5.7.11.12. Network Survey Of Timing Advance - #CSURVTA ................................................................... 546

3.5.7.12. SIM Toolkit AT Commands ............................................................................................................... 549 3.5.7.12.1. SIM Tookit Interface Activation - #STIA ....................................................................................... 549 3.5.7.12.2. SIM Tookit Get Information - #STGI ............................................................................................. 555 3.5.7.12.3. SIM Tookit Send Response - #STSR .............................................................................................. 561 3.5.7.12.4. SIM Tookit terminal Attach - #STTA ............................................................................................. 562 3.5.7.12.5. SIM Tookit Show Activation - #STSA ........................................................................................... 563

3.5.7.13. Jammed Detect & Report AT Commands .......................................................................................... 564 3.5.7.13.1. Jammed Detect & Report - #JDR.................................................................................................... 564 3.5.7.13.2. Jammed detect and report enhanced - #JDRENH ........................................................................... 567

3.5.7.14. Easy Script Extension - Python Interpreter, AT Commands ........................................................... 569 3.5.7.14.1. Write Script - #WSCRIPT .............................................................................................................. 569 3.5.7.14.2. Select Active Script - #ESCRIPT ................................................................................................... 571 3.5.7.14.3. Script Execution Start Mode - #STARTMODESCR ...................................................................... 572 3.5.7.14.4. Execute Active Script - #EXECSCR .............................................................................................. 574 3.5.7.14.5. Read Script - #RSCRIPT ................................................................................................................ 574 3.5.7.14.6. List Script Names - #LSCRIPT....................................................................................................... 575

3.5.7.14.7. List Script Names with CRC16 info - #LCSCRIPT........................................................................ 576 3.5.7.14.8. Delete Script - #DSCRIPT .............................................................................................................. 578 3.5.7.14.9. Reboot - #REBOOT ........................................................................................................................ 579 3.5.7.14.10. CMUX Interface Enable - #CMUXSCR ....................................................................................... 579

3.5.7.15. MMS AT Command Set ..................................................................................................................... 580 3.5.7.15.1. Set network parameters for MMS - #MMSSET ............................................................................. 580 3.5.7.15.2. General settings - #MMSGS ........................................................................................................... 581 3.5.7.15.3. Create/Update MMS Message Mailing List - #MMSTO ................................................................ 582 3.5.7.15.4. Send a MMS Message - #MMSSEND ............................................................................................ 583 3.5.7.15.5. Add MMS attachment - #MMSATTD ............................................................................................ 584 3.5.7.15.6. HTTP last message - #MMSMSG .................................................................................................. 585 3.5.7.15.7. Set notification handling - #MMSSNH ........................................................................................... 585 3.5.7.15.8. List notifications - #MMSLN ......................................................................................................... 586 3.5.7.15.9. Get MMS - #MMSGET .................................................................................................................. 587 3.5.7.15.10. Forward MMS - #MMSFWD ....................................................................................................... 587 3.5.7.15.11. Delete MMS from the MMS proxy server - #MMSDEL .............................................................. 588 3.5.7.15.12. List MMS files - #MMSLIMG ..................................................................................................... 588 3.5.7.15.13. Delete image file - #MMSDIMG .................................................................................................. 588

3.5.7.16. HTTP client AT Command Set ........................................................................................................... 589 3.5.7.16.1. Configure HTTP parameters - #HTTPCFG .................................................................................... 589 3.5.7.16.2. Send HTTP GET, HEAD or DELETE request - #HTTPQRY ....................................................... 591 3.5.7.16.3. Send HTTP POST or PUT request - #HTTPSND .......................................................................... 592 3.5.7.16.4. Receive HTTP server data - #HTTPRCV ....................................................................................... 594

3.5.7.17. RSA AT Commands Set ..................................................................................................................... 595 3.5.7.17.1. Load the security data - #RSASECDATA ...................................................................................... 595 3.5.7.17.2. Encript data - #RSAENCRYPT ...................................................................................................... 596 3.5.7.17.3. Decript data - #RSADECRYPT ...................................................................................................... 597 3.5.7.17.4. Resul of RSA calculation - #RSAGETRESULT ............................................................................ 598

3.5.7.18. GNSS AT Commands Set ................................................................................................................... 600 3.5.7.18.1. GNSS Receiver Configuration ........................................................................................................ 600 3.5.7.18.1.1. GPS Device Type Set - $GPSD ................................................................................................... 600 3.5.7.18.1.2. GPIO Configuration for GPS control - $GPSGPIO ..................................................................... 601 3.5.7.18.1.3. Set the GPS serial port speed - $GPSSERSPEED ....................................................................... 603 3.5.7.18.1.4. GPS Controller Power Management - $GPSP ............................................................................. 603 3.5.7.18.1.5. GPS Antenna Type Definition - $GPSAT ................................................................................... 604 3.5.7.18.1.6. Save GPS Parameters Configuration - $GPSSAV ....................................................................... 605 3.5.7.18.1.7. Restore To Default GPS Parameters - $GPSRST ........................................................................ 605 3.5.7.18.2. GNSS Power Saving Modes Management...................................................................................... 605 3.5.7.18.2.1. Set The GPS Module In Power Saving Mode - $GPSPS ............................................................. 605 3.5.7.18.2.2. Wake Up GPS From Power Saving Mode - $GPSWK ................................................................ 606 3.5.7.18.3. GNSS General Management ........................................................................................................... 607 3.5.7.18.3.1. GPS Software Version - $GPSSW ............................................................................................... 607 3.5.7.18.3.2. GPS Reset - $GPSR ..................................................................................................................... 607 3.5.7.18.3.3. Direct Access to GPS Module - $GPSCON ................................................................................. 608 3.5.7.18.4. GNSS Positioning Information ....................................................................................................... 608 3.5.7.18.4.1. Unsolicited NMEA Data Configuration - $GPSNMUN .............................................................. 608 3.5.7.18.4.2. Get Acquired Position - $GPSACP .............................................................................................. 610 3.5.7.18.5. GNSS SiRFInstantFixTM ................................................................................................................. 612 3.5.7.18.5.1. - $GPSIFIX ............................................................................................. 612 3.5.7.18.5.2. - $GNSSIFIX ....................................................................................... 613 3.5.7.18.5.3. - $FTPGETIFIX ............................................................... 614 3.5.7.18.5.4. - $HTTPGETIFIX ........................................................... 615

3.5.7.18.6. GNSS Patch Management ............................................................................................................... 616 3.5.7.18.6.1. Write Patch on flash - $WPATCH ............................................................................................... 616 3.5.7.18.6.2. Enable Patch - $EPATCH ............................................................................................................ 617 3.5.7.18.6.3. List Available Patch - $LPATCH ................................................................................................ 618 3.5.7.18.6.4. Delete Patch from NVM - $DPATCH ......................................................................................... 618 3.5.7.18.7. GNSS ST-AGPSTM ......................................................................................................................... 619 3.5.7.18.7.1. Enable STAGPSTM Usage - $GPSSTAGPS .............................................................................. 619 3.5.7.18.7.2. Get ST-AGPSTM seed file for ST-AGPS - $HTTPGETSTSEED ................................................ 619 3.5.7.18.7.3. Inject decoded ST-AGPS seed file - $INJECTSTSEED .............................................................. 620

3.5.7.19. SAP AT Commands Set ..................................................................................................................... 621 3.5.7.19.1. Remote SIM Enable - #RSEN ........................................................................................................ 621

3.5.7.20. Telefonica OpenGate M2M AT Commands Set ................................................................................. 622 3.5.7.21. Audio Commands ............................................................................................................................... 622

3.5.7.21.1. Audio Basic configuration .............................................................................................................. 622 3.5.7.21.1.1. Change Audio Path - #CAP ......................................................................................................... 622 3.5.7.21.1.2. AXE Pin Reading - #AXE ........................................................................................................... 623 3.5.7.21.1.3. Select Ringer Sound - #SRS ........................................................................................................ 624 3.5.7.21.1.4. Select Ringer Path - #SRP ........................................................................................................... 626 3.5.7.21.1.5. Handsfree Microphone Gain - #HFMICG ................................................................................... 627 3.5.7.21.1.6. Handset Microphone Gain - #HSMICG ....................................................................................... 628 3.5.7.21.1.7. Handsfree Receiver Gain - #HFRECG ........................................................................................ 628 3.5.7.21.1.8. Handset Receiver Gain - #HSRECG ............................................................................................ 629 3.5.7.21.1.9. Set Headset Sidetone - #SHFSD .................................................................................................. 629 3.5.7.21.1.10. Set Handset Sidetone - #SHSSD ................................................................................................ 630 3.5.7.21.1.11. Speaker Mute Control - #SPKMUT ........................................................................................... 630 3.5.7.21.1.12. Open Audio Loop - #OAP ......................................................................................................... 631 3.5.7.21.1.13. HF Speaker Volume - #HFVOL ................................................................................................ 631 3.5.7.21.1.14. Setting two frequency modes for buzzer - #BUZZERMODE ................................................... 632 3.5.7.21.2. Tones configuration ........................................................................................................................ 633 3.5.7.21.2.1. Signaling Tones Mode - #STM .................................................................................................... 633 3.5.7.21.2.2. Tone Playback - #TONE .............................................................................................................. 634 3.5.7.21.2.3. Extended tone generation - #TONEEXT ..................................................................................... 634 3.5.7.21.2.4. Tone Classes Volume - #TSVOL ................................................................................................ 635 3.5.7.21.2.5. User Defined Tone SET - #UDTSET command .......................................................................... 637 3.5.7.21.2.6. User Defined Tone SAVE - #UDTSAV command ...................................................................... 637 3.5.7.21.2.7. User Defined Tone Reset - #UDTRST command ........................................................................ 638 3.5.7.21.3. Audio profiles ................................................................................................................................. 638 3.5.7.21.3.1. Audio Profile Selection - #PSEL ................................................................................................. 638 3.5.7.21.3.2. Audio Profile Configuration Save - #PSAV ................................................................................ 638 3.5.7.21.3.3. Audio Profile Factory Configuration - #PRST............................................................................. 639 3.5.7.21.4. Audio filters .................................................................................................................................... 640 3.5.7.21.4.1. Cascaded filters - #BIQUADIN ................................................................................................... 640 3.5.7.21.4.2. Cascaded filters - #BIQUADOUT ............................................................................................... 640 3.5.7.21.4.3. Extended Uplink Biquad Filters - #BIQUADINEX ..................................................................... 641 3.5.7.21.4.4. Extended Downlink Biquad Filters - #BIQUADOUTEX ............................................................ 642 3.5.7.21.5. Echo canceller configuration .......................................................................................................... 643 3.5.7.21.5.1. Audio Profile Setting - #PSET ..................................................................................................... 643 3.5.7.21.5.2. Handsfree Configuration - #HFCFG ............................................................................................ 644 3.5.7.21.5.3. TX Noise Injector configuration - #TXCNI ................................................................................. 644 3.5.7.21.5.4. Handsfree Echo Canceller - #SHFEC .......................................................................................... 645 3.5.7.21.5.5. Handset Echo Canceller - #SHSEC ............................................................................................. 646 3.5.7.21.5.6. Echo Reducer Configuration - #ECHOCFG ................................................................................ 646

3.5.7.21.5.7. Handsfree Automatic Gain Control - #SHFAGC ......................................................................... 648 3.5.7.21.5.8. Handset Automatic Gain Control - #SHSAGC ............................................................................ 649 3.5.7.21.5.9. Handsfree Noise Reduction - #SHFNR ....................................................................................... 649 3.5.7.21.5.10. Handset Noise Reduction - #SHSNR ..............................................................