1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Description
6 Messages and information elements
7 Actions at the transferring endpoint (user A)
7.1 Normal procedures if only the primary call exists
7.2 Normal procedures if also the secondary call exists
7.3 Exceptional procedures
8 Actions at the transferred endpoint (user B)
8.1 Normal procedures
8.2 Exceptional procedures
9 Actions at the transferred-to endpoint (user C)
9.1 Normal procedures
9.2 Exceptional procedures
10 Additional procedures
10.1 Interworking with non-ITU‑T H.323 terminals
10.2 Hold and consultation
10.3 Transfer without rerouting (i.e., transfer by join)
10.4 Further actions at transferred and transferred-to endpoints
10.5 Interactions with ITU‑T H.323 ad hoc conference
10.6 Gatekeeper actions
10.7 Interactions with ITU‑T H.225.0 parameters
11 Dynamic description of transfer with rerouting
11.1 Transfer with rerouting without secondary call
11.2 Transfer with secondary call
11.3 Communication between transferring signalling entity TRGSE and
TRGSE user
11.4 Communication between transferred signalling entity TRDSE and
TRDSE user
11.5 Communication between transferred-to signalling entity TRTSE
and TRTSE user
11.6 Peer-to-peer communication for transfer with rerouting
12 Operations in support of SS-CT
13 Specification and description language (SDL) diagrams
13.1 Call transfer block diagram
13.2 Call transfer substructure diagram
13.3 Transferring signalling entity SDLs
13.4 Transferred signalling entity SDLs
13.5 Transferred-to signalling entity SDLs