03.673GPPenhanced Multi Level Precedence and Pre-emption service (eMLPP)Stage 2TS
Definitions used in the present document are also defined in GSM 02.67.
resource pre-emption: The termination of a call of a low priority user such that resources can be made available for a precedence call of higher priority. Resource pre-emption could be initiation resource pre-emption or handover resource pre-emption.
called-party pre-emption: Termination of a call to a particular user when a higher priority call is directed towards that specific user. Called party pre-emption is decided by the Mobile Station. In case of point-to-point calls, this shall be performed by Call Waiting with automatic acceptance of the waiting call by the Mobile Station.
compatible Mobile Station: Mobile stations which support eMLPP and therefore have precedence and pre-emption capabilities.
non-compatible Mobile Station: Mobile stations which do not support eMLPP.
Abbreviations used in the present document are listed in GSM 01.04.
For the purpose of the present document, the following abbreviations apply:
eMLPP enhanced Multi-Level Precedence and Pre-emption
VBS Voice Broadcast Service
VGCS Voice Group Call Service