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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3 Group call within one MCPTT system
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1 Group call models
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1 Pre-arranged group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1.1 General
| A pre-arranged group call is initiated by one of the affiliated group members. The initiation of a pre-arranged group call results in all other affiliated group members being invited. Media plane resources are reserved (on-demand) or a pre-established session is associated during the group call setup procedure and rele... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1.2 Pre-arranged group call setup
| The procedure focuses on the case where an MCPTT client is initiating an MCPTT group call with unicast signalling for communicating with the affiliated MCPTT members of that group.
Procedures in figure 10.6.2.3.1.1.2-1 are the signalling control plane procedures for the MCPTT client initiating establishment of an MCPT... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1.3 Release pre-arranged group call
| The procedure focuses on the case where an MCPTT server initiates the termination of an ongoing MCPTT group call for all the participants of that group call, since at least one of the termination conditions are met e.g., due to hang time expiry, last participant leaving, second last participant leaving, initiator leavi... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1.4 Late entry pre-arranged group call
| Procedures in figure 10.6.2.3.1.1.4-1 are the signalling control plane procedures for the MCPTT server requesting a newly affiliated member or a member coming back from out of coverage to join an ongoing MCPTT group call.
NOTE: This procedure applies to all types of group call, including, for example, emergency call,... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.1.5 Rejoining call
| Procedures in figure 10.6.2.3.1.1.5-1 are the signalling control plane procedures for the MCPTT client to rejoin an ongoing MCPTT group call (e.g. coming back from out of coverage).
Pre-conditions:
- It is assumed that MCPTT users on MCPTT client 2 to MCPTT client n are on an ongoing call. Optionally, the MCPTT users... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2 Chat group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2.1 General
| In a chat group (restricted) call model, the MCPTT user individually joins a group call without being invited. The establishment of a chat group (restricted) call does not result in other group members being invited.
Figure 10.6.2.3.1.2.2-1 describes the basic procedure for the MCPTT client initiating an MCPTT group c... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2.2 Chat group call setup
| MCPTT client 1, client 2, and client 3 are served by the home MCPTT service provider in figure 10.6.2.3.1.2.2-1.
Pre-condition:
1. MCPTT user 2 and MCPTT user 3 have previously joined (affiliated) to the group. MCPTT client 1, client 2, and client 3 are registered and all users (MCPTT user 1, user 2, and user 3) hav... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2.3 Release chat group call
| The procedure describes the case where the MCPTT server releases an ongoing MCPTT group call for all the participants of that group call, since at least one of the conditions for release are met e.g. due to hang time expiry, last participant leaving, second last participant leaving, initiator leaving, or the number of ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2.4 Late entry chat group call, newly joined group member
| Procedures in figure 10.6.2.3.1.2.4-1 are those for a group member entering an ongoing MCPTT group call, i.e. performing a late entry.
Pre-conditions:
1. MCPTT user 2 and MCPTT user 3 have previously joined to the group. MCPTT client 1, client 2, and client 3 are registered and all users (MCPTT user 1, user 2, and u... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.1.2.5 Late entry chat group call, MCPTT client coming back from out of coverage
| Procedures in figure 10.6.2.3.1.2.5-1 are those for an MCPTT client coming back from out of coverage during an ongoing MCPTT group call.
Pre-conditions:
1. MCPTT client 1, MCPTT client 2 and MCPTT client 3 may have activated functional alias(es) configured to be used during the group call communication. MCPTT users... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.2 Exiting group call due to de-affiliation
| Procedures in figure 10.6.2.3.2-1 are the signalling control plane procedures for the MCPTT server requesting a newly de-affiliated member to leave an ongoing MCPTT group call.
Pre-conditions:
1. MCPTT group is previously defined on the group management server with MCPTT users affiliated to that group. All members of... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.3.3 MCPTT user leaving a group call
| Procedures in figure 10.6.2.3.3-1 are the signalling control plane procedures for the MCPTT user leaving an ongoing MCPTT group call.
Pre-conditions:
1. MCPTT group is previously defined on the group management server with MCPTT users affiliated to that group. All members of the group belong to the same MC system.
2... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4 Group call involving groups from multiple MCPTT systems
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.1 Group call for non-broadcast temporary groups across multiple MCPTT systems
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.1.1 Group call setup
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.1.1.1 Group call setup procedure – originating side
| Figure 10.6.2.4.1.1.1-1 illustrates the originating side group call involving groups from multiple MCPTT systems. It considers the scenario for group hierarchies and non-broadcast temporary groups formed by group regroup. The protocol followed may be SIP.
Pre-conditions:
1. The security aspects of sharing the user in... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.1.1.2 Group call setup procedure – terminating side
| The procedure in figure 10.6.2.4.1.1.2-1 illustrates the terminating side group call involving groups from multiple MCPTT systems. It considers the scenario for group hierarchies and non-broadcast temporary groups formed by group regroup. The protocol followed may be SIP.
Figure 10.6.2.4.1.1.2-1: Non-broadcast group... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.1.2 Group call release
| The procedure focuses on the case where the group host MCPTT server releases an ongoing MCPTT group call for all the participants of that group call involving groups from multiple MCPTT systems, since at least one of the release conditions are met e.g., due to hang time expiry, last participant leaving, second last par... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.2 Group call for non-broadcast temporary group formed by group regroup procedure involving multiple MCPTT systems via trusted mode
| Figure 10.6.2.4.2-1 illustrates a group call involving a non-broadcast temporary group formed by group regroup from multiple MCPTT systems. The protocol followed may be SIP.
Pre-conditions:
1. The security aspects of sharing the user information between primary and partner MCPTT systems shall be governed as per the ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.3 Group call for an MCPTT group defined in the partner MCPTT system
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.3.1 Pre-arranged group call setup procedure – initiating side
| Figure 10.6.2.4.3.1-1 illustrates the pre-arranged group call setup procedure for an MCPTT group defined in the partner MCPTT system.
Pre-conditions:
1. MCPTT group is defined on the group management server which is located in the partner MCPTT system with MCPTT users affiliated to that group.
2. The members of the ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 8 Upon successful call setup completion a group call is established for the group members.
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.3.2 Pre-arranged group call setup – terminating side
| The procedure described in figure 10.6.2.4.3.2-1 is used for pre-arranged group call setup when acknowledgement is required from at least some of the call recipients.
Figure 10.6.2.4.3.2-1: Pre-arranged group call setup for an MCPTT group defined in partner MCPTT system (terminating)
1. MCPTT server of the partner ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.3.3 Chat group call setup
| Figure 10.6.2.4.3.3-1 illustrates the group call setup procedure for an MCPTT chat group defined in the partner MCPTT system.
Pre-conditions:
1. The MCPTT users of MCPTT clients 1, 2 and 3 are members of a chat group that is defined in the partner MCPTT system.
2. MCPTT user 2 and MCPTT user 3 have previously joined... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.4.4 Merging of groups involving multiple MCPTT systems
| Figure 10.6.2.4.4-1 below illustrates the merging of MCPTT clients in a newly formed temporary group with active group calls.
Pre-conditions:
1. The temporary group consists of group 1, which is hosted by the primary MCPTT system, and group 2, which is hosted by the partner MCPTT system.
2. Both group 1 and group 2 ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5 Broadcast group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.1 General
| A broadcast group call is a special group call where the initiating MCPTT user expects no response from the other MCPTT users, so that when his transmission is complete, so is the call.
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.2 Common broadcast group call procedure
| The group-broadcast group and the broadcast regrouped group are similar in structure (a collection of groups). Similarly the user-broadcast group and the pre-arranged group (a collection of users) are similar in structure. Only the call originator can transmit media during the broadcast group call and the broadcast gro... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.2.1 Group-broadcast group call procedure
| The group-broadcast group is defined as a set of groups, not a set of MCPTT users. The group-broadcast group is also defined with a hierarchy. It is expected that the MCPTT user that originates the group-broadcast group call is the only one transmitting media during the group-broadcast group call and that the group-bro... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.2.2 Group-broadcast group call procedure when a subordinate group has an on-going MCPTT emergency group call
| The group-broadcast group is defined as a set of groups, not MCPTT users. The affiliated MCPTT group members of a subordinate group with an on-going MCPTT emergency group call are not interrupted by a group-broadcast group call.
Figure 10.6.2.5.2.2-1 illustrates the procedure for group-broadcast group call when a subo... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.2.3 Group-broadcast group call release procedure
| When the call originator has completed transmitting, the group-broadcast group call is terminated and resources released.
Figure 10.6.2.5.2.3-1 illustrates the procedure for group-broadcast group call release.
Pre-conditions:
1. An on-going group-broadcast group call involving MCPTT client 1, MCPTT client 2, and MCP... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.2.4 Server-initiated broadcast group call release procedure
| In a broadcast group call, when the call originator has completed transmitting, the MCPTT client releases the floor. Upon receiving the floor release message the MCPTT server then determines if the broadcast call should be released.
Figure 10.6.2.5.2.4-1 illustrates the procedure for server-initiated broadcast group c... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.3 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.5.4 Group call for broadcast temporary groups across multiple MCPTT systems
| Figure 10.6.2.5.4-1 illustrates the procedure for broadcast temporary group calls across multiple MCPTT systems.
Pre-conditions:
1. The security aspects of sharing the user information between primary and partner MCPTT systems shall be governed as per the service provider agreement between them. In this case, we cons... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6 Emergency and imminent peril procedures
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.1 MCPTT emergency group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.1.1 MCPTT emergency group call commencement
| The procedure describes the case where an MCPTT client is initiating an MCPTT emergency group call with the affiliated MCPTT members of that MCPTT group. An MCPTT client in the MCPTT emergency state gains elevated access privilege for all of the MCPTT user's mission critical applications. Initiating an MCPTT emergency ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.1.2 MCPTT group call upgraded to an MCPTT emergency group call
| The procedure focuses on the case where an authorized MCPTT user is upgrading an MCPTT group call to an MCPTT emergency group call while the MCPTT group call is already in progress.
Procedures in figure 10.6.2.6.1.2-1 are the signalling control plane procedures for the MCPTT client upgrading an MCPTT group call on an ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.1.3 MCPTT in-progress emergency group state cancel
| NOTE 1: In Rel-14 and Rel-13 versions of this specification the title of this subclause is "MCPTT emergency group call cancel".
The procedure describes the case where an MCPTT client cancels an MCPTT group's in-progress emergency state. The emergency state of the group may alternatively be cancelled by the emergency a... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.2 MCPTT imminent peril group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.2.1 MCPTT imminent peril group call commencement
| The procedure focuses on the case where an authorized MCPTT user is initiating an imminent peril group call for communicating with the affiliated MCPTT members of that MCPTT group. This procedure will gain elevated access privilege for the MCPTT client if it is not already in that state. The access privilege for other ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.2.2 Imminent peril group call upgrade
| The procedure focuses on the case where an authorized MCPTT user is upgrading an MCPTT group call to an imminent peril group call while the MCPTT group call is already in progress.
Procedures in figure 10.6.2.6.2.2-1 are the signalling control plane procedures for the MCPTT client upgrading an MCPTT group call on an M... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.2.3 MCPTT in-progress imminent peril group state cancel
| NOTE 1: In Rel-14 and Rel-13 versions of this specification the title of this subclause is "MCPTT imminent peril group call cancel".
The procedure focuses on the case where an authorized MCPTT user cancels an MCPTT group's in-progress imminent peril state.
Procedures in figure 10.6.2.6.2.3-1 are the signalling contro... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.3 MCPTT emergency alert (on-network)
| The MCPTT service shall support the procedures and related information flows as specified in subclauses 10.10.1 of 3GPP TS 23.280 [5] with the following clarifications:
- The MC service client is the MCPTT client;
- The MC service server is the MCPTT server;
- The MC service group ID is the MCPTT Group ID; and
- Th... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.6.4 MCPTT emergency floor remote trigger procedure
| The procedure describes the case where an MCPTT client triggers another MCPTT client to send a floor request. This may be applicable, where an MCPTT user, who has initiated the MCPTT emergency communication and still is in an emergency state, cannot operate his UE anymore. This enables an authorized MCPTT user, e.g. di... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.7 Location of current talker
| Figure 10.6.2.7-1 shows the high level procedure to for MCPTT service to provide the location information about the current talking user to all the receiving MCPTT users.
Precondition:
1. There is on-going group call involving MCPTT client 1 and MCPTT client 2.
2. MCPTT client 1 is the current talking user.
3. MCPT... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.8 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.8.1 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.8.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.8.3 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9 Group call handling with preconfigured regroup update
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.1 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.2.1 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.2.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.3 Regroup procedures in multiple MCPTT systems
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.3.1 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.3.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.3.3 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.4 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.5 Procedures
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.5.1 Call request to an MCPTT group during an in-progress preconfigured group regroup
| Figure 10.6.2.9.5.1-1 illustrates the procedure when a user attempts to setup an MCPTT group call on a group involved in an in-progress preconfigured MCPTT group regroup.
Pre-conditions:
- The MCPTT client is an affiliated member of MCPTT group A that is part of an in-progress preconfigured group regroup with MCPTT ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.9.5.2 Call request to a preconfigured regroup group after group regroup has been cancelled
| Figure 10.6.2.9.5.2-1 illustrates the procedure when a user attempts to setup a MCPTT group call on a preconfigured regroup group after the preconfigured MCPTT group regroup has been cancelled.
Pre-conditions:
- The MCPTT client is a member of MCPTT group A that was part of an in-progress preconfigured group regroup... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.10 User regroup using group creation procedure
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.10.1 General
| User regroup using the group creation procedure can be initiated by an authorized user creating a temporary group with a list of MCPTT users. The group ID for this temporary group can be provided at the time of group creation. The temporary group can be used by all MCPTT users in the list for two-way (non-broadcast) co... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.10.2 Temporary group creation and broadcast group call by authorized user
| Figure 10.6.2.10.2-1 below illustrates the temporary group creation, and optional broadcast call setup procedure and temporary group deletion initiated by an authorized user.
Pre-conditions:
1. The authorized user is aware of the MCPTT users who will be included in the temporary group.
Figure 10.6.2.10.2-1: User r... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.10.3 Temporary group deletion by authorized user
| If the authorized user wishes to end the use of the temporary group, the procedure for group deletion described in 3GPP TS 23.280 [16] is followed.
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.11 Broadcast group regroup call using preconfigured group
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.11.1 General
| The temporary group created using a preconfigured group can be a broadcast group or a non-broadcast group. The broadcast regroup is used for one-way communication where only an authorized MCPTT user is allowed to transmit and all other regroup members are only allowed to receive the communication (e.g. a call from a di... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.11.2 Broadcast group regroup call procedure using preconfigured group in a single MCPTT system
| The broadcast group regroup call procedure using preconfigured group allows an authorized MCPTT user to initiate a broadcast call to a set of MCPTT groups, which are regrouped only for the duration of the broadcast call. The regroup is cancelled at the end of the broadcast call to prevent users from talking back on the... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12 User regroup with preconfigured group
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12.1 Voidl
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12.2.1 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12.2.2 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.2.12.3 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3 Off-network group call
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.1 General
| When an MCPTT user using a ProSe-enabled UE wants to communicate with a specific MCPTT group using ProSe capabilities, the MCPTT client enables the use of the ProSe layer procedures for public safety, as specified in 3GPP TS 23.303 [7].
The MCPTT client obtains configuration data such as the user info ID of the calli... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2 Information flows for group call in off-network
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.1 Group call announcement
| Table 10.6.3.2.1-1 describes the information flow for the group call announcement from the MCPTT client to other MCPTT clients.
Table 10.6.3.2.1-1: Group call announcement
Information Element
Status
Description
MCPTT ID
M
The identity of the calling party
MCPTT group ID
M
The MCPTT group ID on which the call ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.2 MCPTT upgrade to emergency call
| Table 10.6.3.2.2-1 describes the information flow for the MCPTT upgrade to emergency call from the MCPTT client to other MCPTT clients.
Table 10.6.3.2.2-1: MCPTT upgrade to emergency call
Information Element
Status
Description
MCPTT ID
M
The identity of the upgrading party
MCPTT group ID
M
The MCPTT group ID ... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.3 MCPTT emergency group state cancel
| Table 10.6.3.2.3-1 describes the information flow for the MCPTT emergency group state cancel from the MCPTT client to other MCPTT clients.
NOTE: In Rel-14 and Rel-13 versions of this specification the name of this information flow is "MCPTT emergency group cancel".
Table 10.6.3.2.3-1: MCPTT emergency group state canc... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.4 Response
| Table 10.6.3.2.4-1 describes the information flow for the response.
Table 10.6.3.2.4-1: Response
Information Element
Status
Description
MCPTT ID
M
The identity of the called party
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.5 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.6 Void
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85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.7 MCPTT upgrade to imminent peril call
| Table 10.6.3.2.7-1 describes the information flow for the MCPTT upgrade to imminent peril call from the MCPTT client to other MCPTT clients.
Table 10.6.3.2.7-1: MCPTT upgrade to imminent peril call
Information Element
Status
Description
MCPTT ID
M
The identity of the upgrading party
MCPTT group ID
M
The MCPT... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.2.8 MCPTT imminent peril group call cancel
| Table 10.6.3.2.8-1 describes the information flow MCPTT imminent peril group call cancel from the MCPTT client to other MCPTT clients.
Table 10.6.3.2.8-1: MCPTT imminent peril group call cancel
Information Element
Status
Description
MCPTT ID
M
The identity of the cancelling party
MCPTT group ID
M
The MCPTT gr... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.3 Group call setup
| The flow in figure 10 6.3.3-1 illustrates the control plane procedures for MCPTT group call establishment for off-network. The procedure describes how an MCPTT client initiates an MCPTT group call with other MCPTT client within the off-network radio coverage and how the group call is established.
Pre-conditions:
- It... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.4 Passive join to group call
| Figure 10 6.3.4-1 illustrates the control plane procedures for the passive MCPTT client to join the on-going MCPTT group call. The passive MCPTT client does not initiate to establish an MCPTT group call, but receives the group call announcement to be transferred periodically. When receiving the announcement message wit... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.5 Join to ongoing group call when new entry member initiates the call with on-going group call id
| Figure 10 6.3.5-1 illustrates the control plane procedures for an MCPTT client to join an on-going MCPTT group call. When entering the coverage of on-going group call, new MCPTT client may send group call setup announcement message with on-going group call id. Upon receiving the group call setup announcement, the MCPTT... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.6 Immediate group call announcement to join an ongoing group call
| Figure 10.6.3.6-1 illustrates the control plane procedures for an MCPTT client to immediately join an on-going MCPTT group call. Upon the detection of a new entrant, the MCPTT client that is the current talker (floor arbitrator) immediately sends the group call announcement. When receiving the group call announcement m... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.7 Group call release due to inactivity
| If the on-going MCPTT group call is inactive for a specific duration, the participating MCPTT clients release the MCPTT group call by themselves.
NOTE: Inactivity time can be set according to the policy of MCPTT service provider.
|
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.8 Broadcast group call
| Group call on group-broadcast group and user-broadcast group are handled without distinction in off-network.
Figure 10 6.3.8.1-1 illustrates the control plane procedures for broadcast group call in off-network.
Figure 10.6.3.8.1-1: Broadcast group call in off-network
1. An authorized MCPTT client 1 initiates broa... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.9 Emergency and imminent peril procedures
| |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.9.1 Emergency group call
| The off-network emergency group call is a special case of off-network (non-emergency) group call as defined in subclauses 10.6.3.2, 10.6.3.3, 10.6.3.4, 10.6.3.5, 10.6.3.6 and 10.6.3.7. The following are modifications to the aforementioned subclauses to support MCPTT emergency group calls:
- As a pre-condition, the cli... |
85bf19f2724bd70687927dc10941722c | 23.379 | 10.6.3.9.2 MCPTT imminent peril
| The off-network imminent peril group call is a special case of off-network (non-imminent peril) group call as defined in subclauses 10.6.3.2, 10.6.3.3, 10.6.3.4, 10.6.3.5, 10.6.3.6 and 10.6.3.7. The following are modifications to the aforementioned subclauses to support MCPTT imminent peril calls:
- As a pre-condition... |
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