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• 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
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Signalling System No. 7 (2000) 3/3
* More on SS7 (2000)
– Q765 (Rev - 06/2000)-Application transport Mechanisms:
• Q.765.4
• Q765.5
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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
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Broadband ISDN, DSS 2 (1/2)
• General aspects: Q.2010• Signalling ATM adaptation layer (SAAL)
• 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