1
Scope
2
References
3
Terms and Definitions
4
Abbreviations and Acronyms
5
SS-CCBS service description
5.1 Normal procedures
5.1.1
Activation/deactivation/registration/interrogation
5.1.2
Invocation and operation
5.1.3 Cancellation
5.2 Exceptional procedures
5.2.1 Invocation and operation
5.2.2 Cancellation
5.3 Interactions with other supplementary services
5.3.1 Completion of Calls on No Reply (SS-CCNR)
5.3.2 Call Transfer (SS-CT)
5.3.3 Call Forwarding Unconditional (SS-CFU)
5.3.4 Call Forwarding Busy (SS-CFB)
5.3.5 Call Forwarding on No Reply (SS-CFNR)
5.3.6 Call Hold
5.3.7 Call Park/Call Pickup
5.3.8 Call Waiting
5.3.9 Message Waiting indication
5.3.10 Name Presentation
5.3.11 Call Linkage
6
SS-CCNR service description
6.1 Normal procedures
6.1.1
Activation/deactivation/registration/interrogation
6.1.2
Invocation and operation
6.1.3 Cancellation
6.2 Exceptional procedures
6.2.1 Invocation and operation
6.2.2 Cancellation
6.3 Interactions with other supplementary services
6.3.1 Completion of Calls to Busy Subscribers
(SS-CCBS)
6.3.2 Call Transfer (SS-CT)
6.3.3 Call Forwarding Unconditional (SS-CFU)
6.3.4 Call Forwarding Busy (SS-CFB)
6.3.5 Call Forwarding on No Reply (SS-CFNR)
6.3.6 Call Hold
6.3.7 Call Park/Call Pickup
6.3.8 Call Waiting
6.3.9 Message Waiting Indication
6.3.10 Name Presentation
6.3.11 Call Linkage
7
Messages and information elements
8
Procedures
8.1 Actions at User A's endpoint
8.1.1 Normal procedures
8.1.2
Exceptional procedures
8.2 Actions at User B's endpoint
8.2.1 Normal procedures
8.2.2 Exceptional procedures
9
Interworking and interactions
9.1 Interworking with SCN
9.1.1 No functional call completion entity
exists in SCN
9.1.2 Functional call completion entity exists
in SCN
9.2 Protocol interaction between SS-CCBS and other supplementary
services
9.2.1 Call
Transfer (ITU-T H.450.2)
9.2.2 Call Diversion (ITU-T H.450.3)
9.2.3 Call Hold (ITU-T H.450.4)
9.2.4 Call Park and Call Pickup (ITU-T H.450.5)
9.2.5 Call Waiting (ITU-T H.450.6)
9.2.6 Message Waiting (ITU-T H.450.7)
9.2.7 Name Presentation (ITU-T H.450.8)
9.2.8 Call Linkage (ITU-T H.323, 1998)
9.3 Protocol interaction between SS-CCNR and other supplementary
services
9.3.1 Call Transfer (ITU-T H.450.2)
9.3.2 Call Diversion (ITU-T H.450.3)
9.3.3 Call Hold (ITU-T H.450.4)
9.3.4 Call Park and Call Pickup (ITU-T H.450.5)
9.3.5 Call Waiting (ITU-T H.450.6)
9.3.6 Message Waiting (ITU-T H.450.7)
9.3.7 Name Presentation (ITU-T H.450.8)
9.3.8 Call Linkage (ITU-T H.323, 1998)
10 Gatekeeper actions
10.1 Gatekeeper passes on SS-CC operations to the endpoint
10.2 Gatekeeper/proxy acts on behalf of an endpoint
10.2.1 Gatekeeper/proxy acts on behalf of
endpoint B
10.2.2
Gatekeeper/proxy acts on behalf of endpoint A
11 Dynamic description
11.1 Operational model and signal flows
11.1.1 Successful CCBS
11.1.2 Successful CCNR
11.1.3 User A busy
11.1.4 User B busy again
11.2 Communication between an endpoint A (EASE) Signalling entity
and its Signalling entity user (informative)
11.2.1 Table of primitives
11.2.2 Primitive definition
11.2.3 Parameter definition
11.2.4 Call States
11.3 Communication between an endpoint B (EBSE) signalling entity
and its signalling entity user (informative)
11.3.1
Table of primitives
11.3.2 Primitive definition
11.3.3 Parameter definition
11.3.4 Call States
11.4 Timers
11.4.1 Timers at User A's endpoint
11.4.2 Timers
at User B's endpoint
12 Operations in support of Call
Completion supplementary service
13 Specification and Description
Language (SDL) diagrams for SS-CCBS
13.1 Behaviour of User A's endpoint
13.2 Behaviour of
User B's endpoint