weekly report Nimal Week [email protected]

8/7/2019 weekly report Nimal Week [email protected]

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WEEKLY REPORT

HTLL GSM PROJECT

Srilanka Engineering Centre(After Sales Dept)

Name: Nimal Shantha

Department: After Sales Project: HTLL

Designation: Technical Manager Phone No:94773953363

Main Activities of the Week

1. ACR Message issue for MSC1 subscribers belongs to SCP11 was fixed..

2. SMS MO/MT in the MSC4 established.

3. International Inbound Roaming Number LU under MSC4 succeeded.

4. Trunk Assigning in the MSC New Version was implemented.

5. Wrong Announcement issue for the Wrong Digit Dialing for the Dialog

Subscribers Fixed.

Major work done in this week: 24.05.2010 to 30.05.2010

1) Monday(24.05.2010):

(i) E_RBCSM Report for the Subscriber attach to MSC1 belongs to SCP11

was not send. Some problems in the MSC3 routing.MSC3 GT

configuration for SCP 11 change as DPC+ SSN Method as "Null" &

routing method as "GT Routing". Problem fix and ACR properly routed

to SCP 11 via MSC3 accurately.

(ii) SMS MO/MT from MSC4 subscriber not succeeded.MSC3 GT

configuration for SMSC change as DPC+ SSN Method as "Null" &

routing method as "GT Routing". Problem fix and SMS MO Successful,

But SMS MT not succeeded due to refuse message from SMSC.

(iii) SIM issue-some SIMs were could not register in the Network, Traces and

Analyzed, Seems SIMs itself having some problems. Request to change

the SIMs.

(iv) Version upgrade at Colombo iBSC: Changeover of OMP at iBSC rack


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WEEKLY REPORT

HTLL GSM PROJECT


blocked all the A interface Circuit of the iBSC, Unblocked the Circuits at

Dynamic Management and Problem was solved.

2) Tuesday(25.05.2010):

(i) MT USSD Joint trace at HLR 02 shown that, HLR receiving the MAP

OPEN request with the Wrong Calling party GT.USSD centre GT is

94780000010 and it is sending calling party GT as 94780000002 which

is the MSC3 GT. This is completely wrong and USSD side further

analyze this.

(ii) SMS MO for other Operator from MSC4, IN need to configure with the

GT of the MSC4 to enable this. Waiting for IN Process.

3) Wednesday(26.05.2010):

(i) SMS MT for other operator from the MSC4 succeeded after IN added

with the MSC GT.

(ii) Trunk assigning should be ok now after configuring necessary

configuration in the new version of MSCs.This need to be further tested .

(iii) International Roaming Under MSC4 is succeeded after adding the E.164GT translation(SCCP Translator 1) ,But normally it will only needed

E.214 Translating which is done in the SCCP Translator 2.

(iv) Call Logs which were registered by Udeeptha closed.

(v) Called number=Dialog numbers with 11 Digit(Wrong Number) ,Calling

Number=Hutch Number ,Wrong announcement played The Hutch

Number You dialed is wrong and Please check & redial later. Analyze

this issue. Traces shows that Announcement played by the hutch MSCand call was never routed to Dialog. Because in the National Number

Analysis Dialog Maximum number length restricted to 10.So Number

Length was analyzed by the Hutch MSC and played the wrong

announcement. Accurate announcement can be played by the Dialog

system by routing the call to Dialog. For this Maximum number length


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WEEKLY REPORT

HTLL GSM PROJECT


should be increased and Hutch MSC should route the call to Dialog STP.

This was succeeded. Configured the Maximum Length of the each other

Operator as 15.

(vi) Pre Paid Roaming Need to be tested in the ZTE System. Could not start

this due to heavy work load in the Phase 6&7 Project.

(vii) CSSR was really low in the Kandy iBSC as informed by the BSS side.

And Some Net work Busy Scenario appeared in the Kandy iBSC in One

Module. This was rectified by "Sync All" data in the Kandy iBSC.

Reason for the problem might be "Not all the tables properly

Synchronized".

4) Thursday(27.05.2010):

(i) Poya Day Public Holiday.

5) Friday(28.05.2010):

(i) Poya Day Public Holiday.

6) Saturday(29.05. 2010):

7) Sunday(30.05. 2010):

Problems faced and suggestions:

(i) USSD MT issue could not be solved due to delay of the Comverse R&D

reply. USSD G/W sending the SRI_Req with the wrong calling number

GT.

(ii) Some Announcement issues experienced in the MSC3 and could not be

fixed.

(iii) Pre Paid Roaming Need to be tested & Pre sales support and

information could not be figured out.

Next week work plan:

(i) Need to Connect NTP with the Other Servers Like HLR,GPRS , also for


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WEEKLY REPORT

HTLL GSM PROJECT


the all Clients.

(ii) NTP Diagram Need to be Completed.

(iii) SLT Incoming ECHO Issue need to follow up and further Observe.

(iv) HLR 1 Client 2 Need to be completely Installed since it was stopped

due to no Win 2000 system Driver for Mother Board.

(v) Using Router Backups Complete the Switch Room Network Topology.

(vi) Pre Paid Roaming Testing should be done. ZTE Pre Sales

communicating with HTLL Management. After Pre Sales approval

After Sales can Start the Testing.

(vii) Long SMS Problem Need to be tested and inform result to the R&D.

(viii) EMIS System Login and Complete the document should done as Fang

Hua Requested.

(ix) Advantec Servers still not included in the ITES contract, need to verify

this.

(x) Pre sales does not confirm about the SIP Protocol License Requirement.

(xi) Need GPRS CG and Server to connect with NTP to avoid time

difference in-between SGSN and GGSN. This was confirmed by R&D.

(xii) HLR Timer Expiry reason Need to confirm with R&D, Followed up by

Shan Liang.

(xiii) Power Unit Problem in the MSC3 Client , Need to Repair this.

(xiv) From WH Need to bring the Spares came for HLR and GPRS

Expansion and handover to HTLL Store through Ruwan.

(xv) Security Variable issue in the Front Ground and Back ground server

after the SNM Test, Need to Process this with R&D.

(xvi) IVR Connection to MSC4 need to be arranged.


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WEEKLY REPORT

HTLL GSM PROJECT


(xvii) BG of the GPRS system need to configure and connected with GRX.

(xviii) USSD MT Issue in the HLR 02 need to be tested , Waiting for

Comverse reply regarding the Calling GT problem in the MTP message

from the USSD G/W.

(xix) SMSC connection with MSC3 need to arrange.

(xx) Announcement issues(When Mobitel/ Airtel Phone Off, Hutch to

Mobitel/Airtel)HTLL announcement played. Need to check this.

(xxi) USSD MT for the 0789 range subscriber-Need to fix this issue.

(xxii) Pre-Paid Roaming Testing Need to be started.

Superiors signature

Days Location Worked Present / Leave

Monday Walpola Present/Night

Tuesday Walpola Present

Wednesday Walpola Present

Thursday No Poya Day/Public Holiday

Friday No Poya Day/Public Holiday

Saturday No Not Present

Sunday No Not Present

Documents

weekly report Nimal Week [email protected]