A.4 MCPTT related group configuration data

23.3793GPPFunctional architecture and information flows to support Mission Critical Push To Talk (MCPTT)Release 18Stage 2TS

The general aspects of group configuration are specified in 3GPP TS 23.280 [16].

Parameters specified in table A.4-1 are child parameters of the "MCPTT configuration" parameter specified in table A.4-1 in 3GPP TS 23.280 [16]. Parameters specified in table A.4-2 are child parameters of the "MCPTT configuration" parameter specified in table A.4-2 in 3GPP TS 23.280 [16]. Parameters specified in table A.4-3 are child parameters of the "MCPTT configuration" parameter specified in table A.4-3 in 3GPP TS 23.280 [16].

Table A.4-1: Group configuration data (on and off network)

Reference

Parameter description

MCPTT UE

MCPTT Server

Group management server

[R-6.4.9-006] of 3GPP TS 22.280 [17]

>> Preferred voice codecs for MCPTT group

Y

Y

Y

[R-5.7.2.1.1-013],

[R-5.7.2.4.1-008] of 3GPP TS 22.280 [17]

>> Indication whether emergency group call is permitted on the MCPTT group

Y

Y

Y

[R-5.7.2.2.1-009] of 3GPP TS 22.280 [17]

>> Indication whether imminent peril group call is permitted on the MCPTT group

Y

Y

Y

[R-5.7.2.4.1-012] of 3GPP TS 22.280 [17]

>> Indication whether emergency alert is possible on the MCPTT group

Y

Y

Y

[R-5.13-001] of 3GPP TS 22.280 [17]

>> Media confidentiality and integrity protection (see NOTE)

Y

Y

Y

[R-5.13-001] of 3GPP TS 22.280 [17]

>> Floor control confidentiality and integrity protection (see NOTE)

Y

Y

Y

[R-5.13-001] of 3GPP TS 22.280 [17]

>> Group media protection security material (see NOTE)

Y

N

Y

NOTE: Security mechanisms are specified in 3GPP TS 33.180 [19].

Table A.4-2: Group configuration data (on‑network)

Reference

Parameter description

MCPTT UE

MCPTT Server

Group management server

[R-5.7.2.1.2-002] of 3GPP TS 22.280 [17]

>> Timeout value for the cancellation of an in‑progress emergency for an on‑network group call

N

Y

Y

[R-5.7.2.2.2-004] of 3GPP TS 22.280 [17]

>> Timeout value for the cancellation of an in progress imminent-peril group call for an on‑network group call

N

Y

Y

[R-6.2.4-003],
[R-6.4.9-002] of 3GPP TS 22.179 [2]

>> Group call hang timer

N

Y

Y

[R-6.4.9-003] of 3GPP TS 22.280 [17]

>> Maximum duration of group calls

N

Y

Y

Subclause 10.6.2

>> Group call model used for group (chat/ pre-arranged)

Y

Y

Y

[R-6.2.1-004],
[R-6.2.1-007] of 3GPP TS 22.179 [2]

>> Minimum number of affiliated group members acknowledging before start of audio transmission

N

Y

Y

[R-6.2.1-007] of 3GPP TS 22.179 [2]

>> List of group members which, if affiliated, have to acknowledge before start of audio transmission

>>>MCPTT IDs

N

Y

Y

[R-6.2.1-006],
[R-6.2.1-007] of 3GPP TS 22.179 [2]

>> Geographical area where acknowledgement of all affiliated group members is required before start of audio transmission

N

Y

Y

[R-6.2.1-008],
[R-6.2.1-009] of 3GPP TS 22.179 [2]

>> Timeout for acknowledgement of required group members

N

Y

Y

[R-6.2.1-008],
[R-6.2.1-009],
[R-6.2.1-012] of 3GPP TS 22.179 [2]

>> Action upon failure to receive acknowledgement from required group members before call timeout (proceed or abandon)

N

Y

Y

[R-6.2.1-001a] of 3GPP TS 22.179 [2]

>> Minimum number of group members which must be affiliated to allow the start of the group call

N

Y

Y

[R-6.2.1-001b] of 3GPP TS 22.179 [2]

>> List of group members which must be affiliated to allow the start of the group call

>>>MCPTT IDs

N

Y

Y

[R-6.4.9-004] of 3GPP TS 22.280 [17]

>> List of group members with receive-only capability (see NOTE 1)

>>>MCPTT IDs

N

Y

Y

[R-6.4.5-001],

[R-6.4.5-003] of 3GPP TS 22.280 [17]

>> Authorisation of a user to request a list of affiliated members of a group

Y

Y

Y

[R-5.1.7-002],

[R-6.2.2-001],

[R-6.6.2.2-006,]

[R-6.8.6.2-003] of 3GPP TS 22.280 [17]

>> Priority of the group

N

Y

Y

[R-6.8.6.2-003] of 3GPP TS 22.280 [17]

>> Pre-emption capability

Y

Y

Y

[R-6.8.6.2-003] of 3GPP TS 22.280 [17]

>> Pre-empted capability

Y

Y

Y

[R-5.13-001] of 3GPP TS 22.280 [17]

>> Group floor control protection security material for multicast use (see NOTE 2)

Y

Y

Y

[R-6.2.3.6.2-001] of 3GPP TS 22.179 [2]

>> Audio cut-in policy (enabled/disabled)

N

Y

Y

[R-6.2.3.7.2-001] of 3GPP TS 22.179 [2]

>> Support of multi-talker control

Y

Y

Y

[R-6.2.3.7.2-005] of 3GPP TS 22.179 [2]

>> Maximum number of simultaneous talkers applicable for multi-talker control

N

Y

Y

Subclause 7.4.2.3.5 and subclause 7.4.2.3.6

>> Audio mixing is performed in the UE or in the network to support multi-talker control

Y

Y

Y

[R-6.2.3.7.2-003] of 3GPP TS 22.179 [2]

>> List of group members which are allowed to talk (see NOTE 1)

>>> MCPTT IDs

N

Y

Y

3GPP TS 23.283 [20]

>> Indication whether use of LMR E2EE is permitted on the MCPTT group

Y

N

Y

3GPP TS 23.283 [20]

>> LMR specific identity for MCPTT group (see NOTE 3)

Y

N

Y

3GPP TS 23.283 [20]

>> Group to key binding (see NOTE 3)

Y

N

Y

NOTE 1: A group member shall not be listed in both the list of group members with receive only capability and the list of group members which are allowed to talk.

NOTE 2: The details of security related elements are specified in 3GPP TS 33.180 [19].

NOTE 3: This is an LMR specific parameter with no meaning within MC services.

Table A.4-3: Group configuration data (off‑network)

Reference

Parameter description

MCPTT UE

MCPTT Server

Group management server

[R-5.7.2.1.2-002] of 3GPP TS 22.280 [17]

>> Timeout value for the cancellation of an in‑progress emergency for an off‑network group call

Y

N

Y

[R-5.7.2.2.2-004] of 3GPP TS 22.280 [17]

>> Timeout value for the cancellation of an in progress imminent-peril group call for an off‑network group call

Y

N

Y

[R-7.4-002] of 3GPP TS 22.179 [2]

>> Group call hang timer

Y

N

Y

[R-7.4-003] of 3GPP TS 22.280 [17]

>> Max duration of group calls

Y

N

Y

Subclause 10.6.3.9.1

>> Default ProSe Per-Packet priority (as specified in 3GPP TS 23.303 [7]) values

>>> MCPTT group call signalling

Y

N

Y

>>> MCPTT group call media

Y

N

Y

>>> MCPTT emergency group call signalling

Y

N

Y

>>> MCPTT emergency group call media

Y

N

Y

>>> MCPTT imminent peril group call signalling

Y

N

Y

>>> MCPTT imminent peril group call media

Y

N

Y