Signalling Arshey Odedra TSB Engineer: arshey.odedra@itu.int ITU-T TSB Engineer:...

Signalling

Arshey OdedraArshey Odedra

ITU-T TSB Engineer: arshey.odedra@itu.intTSB Engineer: arshey.odedra@itu.int

International Telecommunication UnionInternational Telecommunication Union[ITU-T Workshop Botswana 24-26 July – 2002][ITU-T Workshop Botswana 24-26 July – 2002]

2

SS7 RecsSignalling System No. 7 (1980)

• Yellow Book (1980)– Fascicle VI.6

• Message Transfer Part (MTP)– Recommendations: Q.701-Q.725

• Data User Part (DUP)

3

Signalling System No. 7 (1984) 1/2

• Red Book (1984)– Fascicle VI.7

• Message Transfer Part (MTP)– Q.701-Q.709

• PABX Application– Q.710

• Signalling Connection Control Part (SCCP):– Q.711-Q.714

4

Signalling System No. 7 (1984) 2/2

• Red Book (1984)– Fascicle VI.8

• Telephone User Part (TUP)– Q.721-Q.725

• Integrated Services Digital Network User Part (ISUP)– Q.761-Q.766

• Monitoring and Measurements for the MTP– Q.791

• Operations and Maintenance Application Part (OMAP): Q.795

5

Signalling System No. 7 (1988) 1/3

• Blue Book (1988), Fascicle VI.7• General

– Q.700

• Message Transfer Part (MTP)– Q.701-Q.709

• Simplified MTP: Q.720• Signalling Connection Control Part (SCCP)

– Q.711-Q.716

6

Signalling System No. 7 (1988) 2/3

• Blue Book (1988), Fascicle VI.8

• Telephone User Part (TUP): Q.721-Q.725

• ISDN Supplementary Services: Q.730

• Data User Part (DUP): Q.741

• Integrated Services Digital Network User Part (ISUP): Q.761-Q.766

7

Signalling System No. 7 (1988) 3/3

• Blue Book (1988), Fascicle VI.9

• Transaction Capability Application Part (TCAP): Q.771-Q.775

• Test Specification: Q.780-Q.783

• Monitoring and Measurement Q.791

• Operations, Maintenance and Administration Part (OMAP): Q.795

8

Signalling System No. 7 (1999) 1/3

• General: Q.700

• Message Transfer Part (MTP) Q.701-Q.710

• Signalling Connection Control Part (SCCP)

– Q.711- Q.716

• Telephone User Part (TUP): Q.721-Q.725

• ISDN Supplementary Services:– Q.730-Q.737.1, 732.2(Rev),733.5(New)

9

Signalling System No. 7 (1999) 2/3

• Data User Part (DUP): Q.750-Q.756

• ISDN User Part (ISUP): Q.761-Q.768

• Transaction Capabilities Application Part (TCAP): Q.771- Q.775

• Test Specification: Q.780-Q.788

• Q769.1 (NP)

• Q.1601

• Q.765Bis, Q.765.1Bis

10

Signalling System No. 7 (2000) 3/3

* More on SS7 (2000)

– Q765 (Rev - 06/2000)-Application transport Mechanisms:

• Q.765.4

• Q765.5

11

Narrow-band ISDN, DSS 1

• Digital Subscriber Signalling System No.1– General : Q.850, Q.860 (06/00) GAT– Data link layer Q.920-Q.923– Network layer Q.930-Q.939– User-network management Q.940, Q.941– Stage 3 description for supplementary services

using DSS 1 Q.950-Q.957.1

12

Broadband ISDN, DSS 2 (1/2)

• General aspects: Q.2010• Signalling ATM adaptation layer (SAAL)

– Q.2100-Q.2150.2• Signalling network protocols: Q.2210

• Common aspects of B-ISDN application protocols for access signalling and network signalling and interworking– Q.2610-Q.2660

13

Broadband ISDN, DSS 2 (2/2)

• B-ISDN application protocols for the network signalling– Q.2721.1 to Q.2769.1

• B-ISDN application protocols for access signalling (includes DSS 2 aspects)– Q.2931-Q.2971

• New(12/99) Q.2981-2984• Testing Q.2931/2961&2/2971/2991-Series

14

Intelligent Network (IN)

• Q.1200 – Q.1208

• Q.1210 – Q.1219 IN-CS1

• Q.1220 – Q.1229 IN-CS2

• Q.1231 – Q.1238.7 IN-CS3

• Q.1241,1244,1248.1.7 IN-CS-4

IN Capability Set 1 (CS-1)

• Services– Services to be deployed over PSTN, ISDN and PLMNs.

– Included such services as:

• Call forwarding

• Credit card calling

• Freephone

• Malicious call identification

1993, Q.121X series of Recommendations

IN Capability Set 2 (CS-2)• Services added: e.g.

– Internetwork Freephone– Completion of call to busy subscriber– Conference calling– Call Hold, transfer and waiting– Message store and forward– International Telecommunication Charge Card

1997, Q.122X series of Recommendations

• Contents e.g.

– Number portability– Support for B-ISDN– Initial interworking of IN and IP networks

IN Capability Set 3 (CS-3)

1999, Q.123X series of Recommendations

IN Capability Set 3 (CS-3)• Services e.g.

– Carrier selection handling– IN Calling Line presentation restriction– Inter-Network Service indicator– Triggering on Call Failure Condition– Etc.

1999, Q.123X series of Recommendations

• Contents e.g

– Multiple points of control

– Enhanced Number Portability

– Inter-working with the services in Internet Protocol (IP) Networks

IN Capability Set 4 (CS-4)

2001, Q.124X series of Recommendations

• Services e.g.– Operator determined barring– User defined barring– Call forwarding unconditional– Call forwarding on busy, no reply and not

reachable– Closed user group, Advise of charge– Calling name identification presentation– Etc.

IN Capability Set 4 (CS-4)

2001, Q.124X series of Recommendations

Signalling Convergence towards Packet based Networks

- Intelligent Network

- Bearer Independent Call Control (BICC) protocols – Q.19xx Series

22THANK YOU

GENEVA