1 Scope
2
References
3
Terms and definitions
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-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 H.323 Ad Hoc Conference
10.6 Gatekeeper actions
10.6.1 Call transfer performed by gatekeeper
11 Dynamic description of transfer
with rerouting
11.1 Transfer with rerouting without secondary call
11.1.1 Operational model for Transfer if no
gatekeeper is involved in the service
11.1.2 Operational model for transfer using
gatekeeper routed model
11.2 Transfer with secondary call
11.2.1 Operational model for transfer if no
gatekeeper is involved in the service
11.2.2 Operational
model for transfer using gatekeeper routed model
11.3 Communication between transferring signalling entity TRGSE and
TRGSE user
11.3.1 Table of primitives
11.3.2 Primitive definition
11.3.3 Parameter definition
11.3.4 States
11.4 Communication between transferred signalling entity TRDSE and
TRDSE user
11.4.1 Table of primitives
11.4.2 Primitive definition
11.4.3 Parameter definition
11.4.4 States
11.5 Communication between transferred-to signalling entity TRTSE
and TRTSE user
11.5.1 Table of primitives
11.5.2 Primitive
definition
11.5.3 Parameter definition
11.5.4 States
11.6 Peer-to-peer communication for transfer with rerouting
11.6.1 Messages
11.6.2 Timers
11.6.3 Counters
11.6.4 Message flow examples
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