3 Definitions, symbols and abbreviations
36.579-23GPPMission Critical (MC) services over LTEPart 2: Mission Critical Push To Talk (MCPTT) User Equipment (UE) Protocol conformance specificationRelease 15TS
3.1 Definitions
For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].
For the purpose of the present document, the following terms and definitions given in 3GPP TS 24.379 [9] apply:
An MCPTT user is affiliated to an MCPTT group
An MCPTT user is affiliated to an MCPTT group at an MCPTT client
Affiliation status
Group identity
In-progress emergency private call state
In-progress imminent peril group state
MCPTT client ID
MCPTT emergency alert state
MCPTT emergency group state
MCPTT emergency group call state
MCPTT emergency private call state
MCPTT emergency private priority state
MCPTT imminent peril group call state
MCPTT imminent peril group state
MCPTT private emergency alert state
MCPTT speech
Media-floor control entity
Temporary MCPTT group identity
Trusted mutual aid
Untrusted mutual aid
For the purposes of the present document, the following terms and definitions given in 3GPP TS 22.179 [7] apply:
In-progress emergency
MCPTT emergency alert
MCPTT emergency group call
MCPTT emergency state
Partner MCPTT system
Primary MCPTT system
For the purpose of the present document, the following terms and definitions given in 3GPP TS 24.380 [10] apply:
MBMS subchannel
For the purpose of the present document, the following terms and definitions given in 3GPP TS 23.179 [8] apply:
Pre-selected MCPTT user profile
3.2 Symbols
For the purposes of the present document, the following symbols apply:
None.
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].
ECGI E-UTRAN Cell Global Identification
FFS For Further Study
ICS Implementation Conformance Statement
IPEG In-Progress Emergency Group
IPEPC In-Progress Emergency Private Call
IPIG In-Progress Imminent peril Group
IUT Implementation Under Test
IXIT Implementation eXtra Information for Testing
MBMS Multimedia Broadcast and Multicast Service
MBSFN Multimedia Broadcast multicast service Single Frequency Network
MCPTT Mission Critical Push To Talk
MCPTT group ID MCPTT group IDentity
MEA MCPTT Emergency Alert
MEG MCPTT Emergency Group
MEGC MCPTT Emergency Group Call
MEPC MCPTT Emergency Private Call
MEPP MCPTT Emergency Private Priority
MES MCPTT Emergency State
MIME Multipurpose Internet Mail Extensions
MIG MCPTT Imminent peril Group
MIGC MCPTT Imminent peril Group Call
MONP MCPTT Off-Network Protocol
MPEA MCPTT Private Emergency Alert
NAT Network Address Translation
PLMN Public Land Mobile Network
QCI QoS Class Identifier
RTP Real-time Transport Protocol
SAI Service Area Identifier
SDP Session Description Protocol
SIP Session Initiation Protocol
SS System Simulator
SSRC Synchronization SouRCe
TGI Temporary MCPTT Group Identity
TMGI Temporary Mobile Group Identity
TP Transmission Point
TP Test Purpose
UE User Equipment
URI Uniform Resource Identifier