Category: 11.3 Call management
- 11.3.8 Overview of signalling
- 11.3.9 Short Message Service (SMS)
- 11.3.5 Cell change
- 11.3.6 New calls
- 11.3.7 Uplink and Downlink management
- 11.3.7a Signalling procedures for the user plane
- 11.3.4 Leaving and returning to a voice group call
- 11.3.1 Call establishment
- 11.3.2 Call release
- 11.3.3 Leaving of a dispatcher