ETSI TS 137 579-1 V17.5.0 (2026-04)

LTE; 5G; Mission Critical (MC) services; Part 1: Common test environment (3GPP TS 37.579-1 version 17.5.0 Release 17)

RTS/TSGR-0537579-1vh50

General Information

• Status: Not Published
• Technical Committee: 3GPP RAN 5 - Mobile Terminal Conformance Testing (formely T1)
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 02-Apr-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
LTE;
5G;
Mission Critical (MC) services;
Part 1: Common test environment
(3GPP TS 37.579-1 version 17.5.0 Release 17)

3GPP TS 37.579-1 version 17.5.0 Release 17 1 ETSI TS 137 579-1 V17.5.0 (2026-04)

Reference
RTS/TSGR-0537579-1vh50
Keywords
5G,LTE
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ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 2 ETSI TS 137 579-1 V17.5.0 (2026-04)
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ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 3 ETSI TS 137 579-1 V17.5.0 (2026-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 12
1 Scope . 14
2 References . 14
3 Definitions of terms, symbols and abbreviations . 19
3.1 Terms . 19
3.2 Symbols . 20
3.3 Abbreviations . 20
4 General . 21
4.0 Introduction . 21
4.1 MCPTT Conformance testing test points overview . 21
4.2 MCPTT Conformance testing test environment overview . 22
4.3 MCPTT Conformance testing players and roles assumptions . 25
4.4 References to TS 33.179 and TS 33.180 . 26
4.5 MCVideo Conformance testing test points overview . 26
4.6 MCVideo Conformance testing test environment overview . 27
4.7 MCVideo Conformance testing players and roles assumptions . 27
4.8 MCData Conformance testing test points overview . 28
4.9 MCData Conformance testing test environment overview . 29
4.10 MCData Conformance testing players and roles assumptions . 30
5 Common Test Environment . 30
5.1 General . 30
5.2 Reference test conditions . 30
5.2.1 General . 30
5.2.2 On-network . 31
5.2.2.1 General . 31
5.2.2.2 Test configuration for on-network UE testing. 31
5.2.2.2.1 Single cell configuration . 31
5.2.2.2.2 Multi-cell configuration . 31
5.2.2.2.3 Single cell configuration with MBMS . 31
5.2.3 Off-network . 32
5.3 Generic test procedures for UE MCS operation . 32
5.3.1 General . 32
5.3.2 Initial MCX Authentication, Registration, Configuration and Subscription . 32
5.3.3 MCX pre-established session establishment . 46
5.3.3A Void . 51
5.3.4 MCX CT session establishment/modification without provisional responses other than 100 Trying . 51
5.3.5 MCX CT group call establishment with manual commencement . 51
5.3.6 MCX CT private call establishment with manual commencement . 53
5.3.7 - 5.3.9 Void . 54
5.3.10 MCX CO call release . 54
5.3.11 Void . 54
5.3.12 MCX CT call release . 54
5.3.13 - 21 Void . 55
5.3.22 MCX NW initiated notifications regarding temporary group creation or tear down . 55
5.3.23 - 5.3.25Void. 59
5.3.26 MCX CO Group Creation . 59
5.3.27 MCX CO Temporary Group Creation . 60
5.3.28 MCX CO Temporary Group Tear Down . 60
5.3.29 MCX Subscription and Notification . 61
5.3.30 MCX SIP MESSAGE Request - Accept CO . 61
ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 4 ETSI TS 137 579-1 V17.5.0 (2026-04)
5.3.31 MCX SIP MESSAGE Request - Accept CT . 62
5.3.32 MCX SIP MESSAGE CO . 63
5.3.33 MCX SIP MESSAGE CT . 64
5.3.34 MCX Group Affiliation Status Change . 64
5.3.35 MCX CO private call establishment with manual commencement . 65
5.3.36 UE initiated MCX functional alias status determination and subscription . 66
5.3.37 UE initiated MCX functional alias status change . 69
5.3A Generic test procedures for UE MCPTT operation . 72
5.3A.1 MCPTT CO session establishment/modification without provisional responses other than 100
Trying . 72
5.3A.2 Void . 73
5.3A.3 MCPTT CO call establishment using a pre-established session . 73
5.3A.4 MCPTT CO call release keeping the pre-established session . 74
5.3A.5 MCPTT CT call release keeping the pre-established session . 74
5.3A.6 MCPTT CO session modification . 75
5.3A.7 Void . 76
5.3A.8 MCPTT CT Call establishment using a pre-established session . 76
5.3A.9 Void . 77
5.3A.10 Void . 77
5.3A.11 MCPTT Floor Request – Floor Granted . 77
5.3A.12 MCPTT Floor Request – Floor Queue Position Info . 78
5.3A.13 MCPTT Queuing Position Request . 79
5.3A.14 MCPTT Floor Request – Floor Deny . 79
5.3A.15 MCPTT Floor Release – Floor Idle . 80
5.3A.16 MCPTT Floor Release – Floor Taken. 80
5.3B Generic test procedures for UE MCVideo operation . 81
5.3B.1 MCVideo CO session establishment/modification without provisional responses other than 100
Trying . 81
5.3B.2 MCVideo Transmission request – Transmission Granted . 83
5.3B.3 MCVideo Media Transmission Notification and Request CT . 84
5.3B.4 MCVideo Transmission Request - Queue Position Info . 84
5.3B.5 MCVideo Queue Position Request . 85
5.3B.6 MCVideo Transmission Request - Transmission Rejected . 86
5.3B.7 MCVideo Transmission End Request CO . 86
5.3B.8 MCVideo Media Reception End Request CO . 87
5.3B.9 MCVideo Transmission End Request CT . 88
5.3B.10 MCVideo Media Reception End Request CT . 88
5.3B.11 MCVideo CO session modification . 89
5.3C Generic test procedures for UE MCData operation . 90
5.3C.1 CO SDS or FD message transfer using signalling plane . 90
5.3C.2 CO MCData Call Establishment . 91
5.3C.3 CT MCData Call Establishment . 92
5.3C.4 CO MSRP message transfer. 94
5.3C.5 CT MSRP message transfer . 94
5.3C.6 CO MCData call release . 95
5.3C.7 CT MCData call release . 96
5.3C.8 Discovery of the absolute URI of the media storage function (one-to-one communication) . 97
5.3C.9 Discovery of the absolute URI of the media storage function (group communication) . 99
5.3C.10 FD file upload using HTTP . 100
5.3C.11 FD file accept and download using HTTP . 101
5.3C.12 CO MCData call establishment using a pre-established session . 102
5.3C.13 MCData CO call release keeping the pre-established session . 104
5.3C.14 Message Store Function Object Upload or Creation using HTTP . 106
5.3C.15 Message Store Function Delete using HTTP . 107
5.3C.16 Message Store Function Retrieve using HTTP . 108
5.3C.17 Message Store Function Post Request using HTTP . 108
5.3C.18 Message Store Function Put Request using HTTP . 109
5.3C.19 Message Store Function Post Notification using HTTP . 110
5.4 Generic test procedures for RRC/NAS signalling . 110
5.4.1 General . 110
5.4.1A UE APN/PDN support assumptions for E-UTRA/EPC . 111
5.4.1B UE PDU session support assumptions for NR/5GC . 112
ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 5 ETSI TS 137 579-1 V17.5.0 (2026-04)
5.4.2 Initial registration . 112
5.4.2.1 Generic procedure . 112
5.4.2.2 E-UTRA/EPC signalling . 113
5.4.2.3 NR/5GC signalling . 117
5.4.3 MCX CO communication . 120
5.4.3.1 Generic procedure . 120
5.4.3.2 E-UTRA/EPC signalling . 121
5.4.3.3 NR/5GC signalling . 122
5.4.4 MCX CT communication . 124
5.4.4.1 Generic procedure . 124
5.4.4.2 E-UTRA/EPC signalling . 124
5.4.4.3 NR/5GC signalling . 126
5.4.5 MCX CO communication over ProSe direct one-to-one communication out of E-UTRA coverage-
establishment . 128
5.4.6 MCX CT communication over ProSe direct one-to-one communication out of E-UTRA coverage-
establishment . 130
5.4.7 MCX communication over ProSe direct one-to-one communication out of E-UTRA coverage -
release by the SS . 133
5.4.8 MCX communication over ProSe direct one-to-one communication out of E-UTRA coverage -
release by the UE . 134
5.4.9 MCX communication in E-UTRA / Change of cells . 135
5.4.10 MCX CT communication over ProSe direct one-to-many communication out of E-UTRA coverage /
Announcing/Discoveree procedure for group member discovery . 136
5.4.11 MCX CO communication over ProSe direct one-to-many communication out of E-UTRA coverage /
Monitoring/Discoverer procedure for group member discovery / One-to-many communication. 140
5.4.12 MCX communication over MBMS . 142
5.4.13 Void . 143
5.4.14 MCX communication release . 143
5.4.14.1 Generic procedure . 143
5.4.14.2 E-UTRA/EPC signalling . 144
5.4.14.3 NR/5GC signalling . 145
5.5 Default message and other information elements content . 147
5.5.1 General . 147
5.5.2 Default SIP message and other information elements . 149
5.5.2.1 SIP ACK . 149
5.5.2.1.1 SIP ACK from the UE . 149
5.5.2.1.2 SIP ACK from the SS . 150
5.5.2.2 SIP BYE . 151
5.5.2.2.1 SIP BYE from the UE . 151
5.5.2.2.2 SIP BYE from the SS . 154
5.5.2.3 SIP CANCEL . 155
5.5.2.4 SIP INFO . 155
5.5.2.5 SIP INVITE. 159
5.5.2.5.1 SIP INVITE from the UE . 159
5.5.2.5.2 SIP INVITE from the SS . 168
5.5.2.6 Void. 176
5.5.2.7 SIP MESSAGE . 176
5.5.2.7.1 SIP MESSAGE from the UE . 176
5.5.2.7.2 SIP MESSAGE from the SS . 181
5.5.2.8 SIP NOTIFY . 188
5.5.2.9 SIP OPTIONS . 191
5.5.2.10 SIP PRACK. 195
5.5.2.10.1 SIP PRACK from the UE . 195
5.5.2.10.2 SIP PRACK from the SS . 197
5.5.2.11 SIP PUBLISH . 198
5.5.2.12 SIP REFER . 202
5.5.2.13 SIP REGISTER . 210
5.5.2.14 SIP SUBSCRIBE . 216
5.5.2.15 SIP UPDATE . 222
5.5.2.15.1 SIP UPDATE from the UE . 222
5.5.2.15.2 SIP UPDATE from the SS. 225
5.5.2.16 SIP 1xx . 227
ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 6 ETSI TS 137 579-1 V17.5.0 (2026-04)
5.5.2.16.1 SIP 100 (Trying) . 227
5.5.2.16.2 SIP 180 (Ringing) . 228
5.5.2.16.3 SIP 183 (Session Progress) . 231
5.5.2.17 SIP 2xx . 235
5.5.2.17.1 SIP 200 (OK) . 235
5.5.2.17.2 SIP 202 (Accepted) . 243
5.5.2.18 SIP 3xx . 243
5.5.2.18.1 SIP 302 (Moved Temporarily) . 243
5.5.2.19 SIP 4xx . 244
5.5.2.19.1 SIP 403 (Forbidden) . 244
5.5.2.19.2 SIP 404 (Not Found) . 244
5.5.2.19.3 SIP 423 (Interval Too Brief) . 245
5.5.2.19.4 SIP 480 (Temporarily unavailable) . 245
5.5.2.19.5 SIP 486 (Busy Here) . 246
5.5.2.19.6 SIP 488 (Not Acceptable Here) . 246
5.5.2.19.7 SIP 401 (Unauthorized) . 247
5.5.2.19.8 SIP 487 (Request Terminated) . 249
5.5.2.20 SIP 5xx . 249
5.5.2.20.1 SIP 500 (Server Internal Error) . 249
5.5.2.21 SIP 6xx . 249
5.5.2.21.1 SIP 606 (Not Acceptable) . 249
5.5.3 Default SDP message and other information elements . 250
5.5.3.1 SDP Message . 250
5.5.3.2 MCS Info Lists . 305
5.5.3.2.1 MCS Info Lists from the UE . 305
- MCPTT . 305
- MCVideo . 309
- MCData . 313
5.5.3.2.2 MCS Info Lists from the SS . 316
- MCPTT . 316
- MCVideo . 317
- MCData . 319
5.5.3.3 Resource-lists . 320
5.5.3.3.1 Resource-lists from the UE for call control . 320
- MCPTT . 320
- MCVideo . 321
- MCData . 321
5.5.3.3.1A Resource-lists from the UE for initial configuration . 322
5.5.3.3.2 Resource-lists from the SS . 323
- MCPTT . 323
- MCVideo . 323
- MCData . 324
5.5.3.4 Location-info . 325
5.5.3.4.1 Location-info (Report from the UE) . 325
- MCPTT . 325
- MCVideo . 328
- MCData . 330
5.5.3.4.2 Location-info (Configuration sent by the SS) . 332
- MCPTT . 332
- MCVideo . 335
- MCData . 338
5.5.3.4.3 Location-info (Request sent by the SS) . 340
- MCPTT . 340
- MCVideo . 340
- MCData . 341
- MCVideo . 342
- MCData . 343
5.5.3.5 PIDF . 344
5.5.3.5.1 PIDF from the UE . 344
- MCPTT . 344
- MCVideo . 345
- MCData . 346
ETSI
3GPP TS 37.579-1 version 17.5.0 Release 17 7 ETSI TS 137 579-1 V17.5.0 (2026-04)
5.5.3.5.2 PIDF from the SS . 347
- MCPTT . 347
- MCVideo . 348
- MCData . 349
5.5.3.6 SIMPLE-FILTER . 350
5.5.3.7 AFFILIATION-COMMAND . 351
- MCPTT . 351
- MCVideo . 351
- MCData . 351
5.5.3.8 MCData Data signalling messages . 351
5.5.3.8.1 SDS SIGNALLING PAYLOAD message from the UE . 352
5.5.3.8.2 SDS SIGNALLING PAYLOAD message from the SS . 353
5.5.3.8.5 FD SIGNALLING PAYLOAD message from the UE. 356
5.5.3.8.6 FD SIGNALLING PAYLOAD message from the SS . 357
5.5.3.8.9 SDS
...