1
Scope
2
References
3
Terms and definitions
4
Abbreviations and acronyms
5
Description
5.1
Call park
5.2
Call pickup
6
Messages and information elements
7
Procedures
7.1
Actions at the Parking Endpoint A
7.2
Actions at the Parked Endpoint B
7.3
Actions at the parked-to endpoint
7.4
Actions at the calling endpoint (SS-PICKUP of an alerting call)
7.5
Actions at the alerting endpoint (SS-PICKUP of an alerting call)
7.6
Actions at the served endpoint
7.7
Actions at a pickup group member endpoint
7.8
Actions at the picking-up endpoint
7.9
Alternative procedures
8
Interworking
8.1
Interworking with SCN
8.2
Interworking with other supplementary services
8.3
Interaction with ITU-T H.225.0 parameters
9
Gatekeeper actions
9.1
Normal procedures
9.2
Alternative GK procedures for SS-PICKUP of an alerting call
9.3
Alternative GK procedures for SS-PARK and SS-PICKUP of a parked call
10
Dynamic description
10.1
Operational model and signal flows
10.2
Communication between a signalling entity and its signalling entity user
(primitives and parameters)
10.3
Call states
10.4
Timers
11
Operation in support of SS-PARK and SS-PICKUP
12
Specification and description language (SDL) diagrams
12.1
SS-PARK SDLs
12.2
SS-PICKUP SDLs
12.3
SS-PARK, SS-PICKUP group notifications SDLs