1 Scope
2
Definitions
3
System description
4
Terminal description
4.1 Configuration
4.2 Communication modes and terminal types
4.3 Video coder and decoder
4.4 Audio coder and decoder
4.5 Frame structure
4.6 C&I signals
4.7 Communication procedures
5
Call control arrangements
5.1 Network conditions
5.2 Call set-up
5.3 Call release
5.4 Multiple channels
5.5 Authentication of the receiving terminals
6
Intercommunication