ETSI TS 137 579-2 V17.0.0 (2025-02)
LTE; 5G; Mission Critical (MC) services; Part 2: Mission Critical Push To Talk (MCPTT) User Equipment (UE) Protocol conformance specification (3GPP TS 37.579-2 version 17.0.0 Release 17)
LTE; 5G; Mission Critical (MC) services; Part 2: Mission Critical Push To Talk (MCPTT) User Equipment (UE) Protocol conformance specification (3GPP TS 37.579-2 version 17.0.0 Release 17)
RTS/TSGR-0537579-2vh00
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TECHNICAL SPECIFICATION
LTE;
5G;
Mission Critical (MC) services;
Part 2: Mission Critical Push To Talk (MCPTT)
User Equipment (UE) Protocol conformance specification
(3GPP TS 37.579-2 version 17.0.0 Release 17)
3GPP TS 37.579-2 version 17.0.0 Release 17 1 ETSI TS 137 579-2 V17.0.0 (2025-02)
Reference
RTS/TSGR-0537579-2vh00
Keywords
5G,LTE
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3GPP TS 37.579-2 version 17.0.0 Release 17 2 ETSI TS 137 579-2 V17.0.0 (2025-02)
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3GPP TS 37.579-2 version 17.0.0 Release 17 3 ETSI TS 137 579-2 V17.0.0 (2025-02)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 5
1 Scope . 7
2 References . 7
3 Definitions of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 General . 10
4.1 Test methodology . 10
4.1.1 Testing of optional functions and procedures . 10
4.1.2 Test interfaces and facilities. 11
4.2 Implicit testing . 11
4.3 Repetition of tests . 11
4.4 Handling of differences between conformance requirements in different releases of cores specifications . 11
4.5 Reference conditions . 11
4.6 Generic setup procedures . 11
5 MCPTT Client Configuration . 12
5.9 Configuration / Functional Alias / Location based functional alias status change . 77
5.10 Configuration / Rules based affiliation status change . 81
6 MCPTT Client on-network operation . 85
6.1 Group Calls . 85
6.1.3 Conference Event Package . 273
6.1.3.1 On-network / Conference Event Package / Subscription to Conference Event Package /
Termination of subscription . 273
6.2 Private Calls . 309
6.5 Group regroup using a preconfigured group . 545
7 MCPTT Client off-network operation . 570
7.1 Off-network Group Calls . 570
7.1.1 Off-network / Group Call / Floor Control / Upgrade to Emergency Call / Downgrade from
Emergency / Upgrade to Imminent Peril / Downgrade from Imminent Peril / Release Call / Client
Originated (CO) . 570
7.1.2 Off-network / Group Call / Floor Control / Upgrade to Emergency Call / Downgrade from
Emergency / Upgrade to Imminent Peril / Downgrade from Imminent Peril / Release Call / Client
Terminated (CT) . 596
7.1.3 Off-network / Group Call / Leave Group Call when GROUP CALL PROBE sent / Initiate Group
Call for Released Call / Receive GROUP CALL ANNOUNCEMENT for Released call / No
GROUP CALL ANNOUNCEMENT for Released Call / Receive Response to GROUP CALL
PROBE . 621
7.1.4 Off-network / Group Call / MCPTT User Acknowledgement Required / With Confirm Indication /
MCPTT User Reject / MCPTT User Accept / Client Terminated (CT) . 629
7.1.5 Off-network / Group Call / MCPTT User Acknowledgement Required / Without Confirm Indication
/ MCPTT User Reject / MCPTT User Accept / Client Terminated (CT) . 635
7.1.6 Off-network / Group Call / Merge Two Calls . 640
7.1.7 Off-network / Group Call / Emergency Call / Imminent Peril Call / Client Originated (CO) . 647
7.1.8 Off-network / Group Call / Emergency Call / Imminent Peril Call / Client Terminated (CT) . 656
7.1.9 Off-network / Group Call / Emergency Alert / Emergency Alert Retransmission / Cancel Emergency
Alert / Client Originated (CO) . 665
7.1.10 Off-network / Group Call / Emergency Alert / Emergency Alert Retransmission / Cancel Emergency
Alert / Client Terminated (CT) . 669
ETSI
3GPP TS 37.579-2 version 17.0.0 Release 17 4 ETSI TS 137 579-2 V17.0.0 (2025-02)
7.1.11 Off-network / Group Call / Broadcast Group Call / Broadcast Group Call Retransmitting / Broadcast
Group Call Release / Client Originated (CO) . 674
7.1.12 Off-network / Group Call / Broadcast Group Call / MCPTT User Ack Not Required / Originator
Releases Call / Client Terminated (CT) . 679
7.1.13 Off-network / Group Call / Broadcast Group Call / MCPTT User Ack Required / MCPTT User
Reject / MCPTT User Accept / MCPTT User Releases Call / Client Terminated (CT) . 682
7.2 Off-network Private Calls . 688
7.2.1 Off-network / Private Call / On-demand / Automatic Commencement Mode / No Response to
Private Call Setup Request / Private call setup success / With Floor Control / Upgrade to Emergency
Call / Cancellation of Emergency on User request / Client
...
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