1
Scope
2 References
3 Terms and definitions
4 Abbreviations and acronyms
5 Description
5.1 Near-end call hold
5.2 Remote-end call hold
6 Messages and information elements
7 Actions at the holding endpoint
7.1 Normal procedures
7.1.1 Near-end call hold
7.1.2 Remote-end call hold
7.2 Exceptional procedures
7.2.1 Near-end call hold
7.2.2 Remote-end call hold
8 Actions at the held endpoint
8.1 Normal procedures
8.1.1 Near-end call hold
8.1.2 Remote-end call hold
8.2 Exceptional procedures
8.2.1 Near-end call hold
8.2.2 Remote-end call hold
8.3 Additional procedures
9 Interworking
9.1 Interworking with SCN
9.2 Interworking with other
supplementary services
9.2.1 Call transfer (H.450.2)
9.2.2 H.323 conference
9.2.3 Call waiting (H.450.6)
9.2.4 Call park and call pickup (H.450.5)
9.3 Interaction with H.225.0
parameters
10 Gatekeeper/proxy actions
10.1 Remote-end call hold
10.2 Near-end call hold
11 Dynamic description for near-end call hold
11.1 Operational models and signalling
flows
11.1.1 Near-end call hold
11.1.2 Remote-end call hold
11.2 Communication between holding
signalling entity (HGSE) and holding signalling entity user (HGSE user)
11.2.1 Table of primitives
11.2.2 Primitive definition
11.2.3 Parameter definition
11.2.4 States
11.3 Communication between held
signalling entity (HDSE) and held signalling entity User (HDSE user)
11.3.1 Table of primitives
11.3.2 Primitive definition
11.3.3 Parameter definition
11.3.4 States
11.4 Timers
11.5 Counters
12 Operations in support of SS-call hold
13 SDLs
13.1 Near-end call hold SDLs
13.2 Remote-end call hold SDLs