hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.2.4.7.2 Unexpected indication from MCPTT user
| Upon receiving an indication from the MCPTT user in a state where there is no handling specified for the indication, the MCPTT client shall ignore the indication.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.2.4.7.3 Unexpected expiration of a timer
| Upon expiration of a timer in a state where there is no handling specified for expiration of the timer, the MCPTT client shall ignore the expiration of the timer.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3 Call type control
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.1 General
| This state machine exists in parallel with the basic call control state machine for off-network group call as specified in clause 10.2.2.2.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.2 Call type control state machine
| The Figure 10.2.3.2-1 gives an overview of the states and transitions of the state machine.
Figure 10.2.3.2-1: Call type control state machine
The following pieces of information are associated with the call type control state machine:
a) the stored current call type;
b) the stored current ProSe per-packet priori... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.3 Call type control states
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.3.1 T0: waiting for call to establish
| This state is the start state of this state machine.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.3.2 T1: in-progress emergency group call
| This state exists for UE, when the UE is part of an in-progress emergency group call.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.3.3 T2: in-progress basic group call
| This state exists for UE, when the UE is part of an in-progress basic group call.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.3.4 T3: in-progress imminent peril group call
| This state exists for UE, when the UE is part of an in-progress imminent peril group call.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4 Procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.1 General
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.1.1 Implicit downgrade (emergency) timer calculation
| The MCPTT client shall set the TFG13 (implicit downgrade emergency) timer as follows:
1) TFG13 (implicit downgrade emergency) = X – (Y – Z) seconds, where:
a) X = value of "/<x>/<x>/OffNetwork/EmergencyCallCancel" leaf node present in group configuration as specified in 3GPP TS 24.483 [45];
b) Y = current UTC time, ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.1.2 Implicit downgrade (imminent peril) timer calculation
| The MCPTT client shall set the TFG14 (implicit downgrade imminent peril) timer as follows:
1) TFG14 (implicit downgrade imminent peril) = X – (Y – Z) seconds, where:
a) X = value of "/<x>/<x>/OffNetwork/ImminentPerilCallCancel" leaf node present in group configuration as specified in 3GPP TS 24.483 [45];
b) Y = curr... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.2 User initiated the call probe
| When in the "T0: waiting for the call to establish "state, upon an indication from an MCPTT user to initiate a group call probe for an MCPTT group, the MCPTT client:
1) if the stored emergency state associated with emergency alert state machine described in 12.2.2.2 is set to "true" and the value of "/<x>/<x>/Common/A... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.3 Received GROUP CALL ANNOUNCEMENT message as a response to GROUP CALL PROBE message
| When in the "T0: waiting for the call to establish " state, upon receipt of a GROUP CALL ANNOUNCEMENT message as a response to GROUP CALL PROBE message, the MCPTT client:
1) if the Call type IE of the received GROUP CALL ANNOUNCEMENT message is set to "EMERGENCY GROUP CALL":
a) shall set the stored current call type ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.4 Received GROUP CALL ANNOUNCEMENT with MCPTT user acknowledgement required
| When in the "T0: waiting for the call to establish" state, upon receipt of a GROUP CALL ANNOUNCEMENT message by an idle MCPTT client when MCPTT user acknowledgement is required, the MCPTT client:
1) if the Call type IE of the received GROUP CALL ANNOUNCEMENT message is set to "EMERGENCY GROUP CALL":
a) shall set the ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.5 Received GROUP CALL ANNOUNCEMENT without MCPTT user acknowledgement required
| When in the "T0: waiting for the call to establish" state, upon receipt of a GROUP CALL ANNOUNCEMENT message by an idle MCPTT client when MCPTT user acknowledgement is not required, the MCPTT client:
1) shall set the stored last call type change time to the Last call type change time IE of the GROUP CALL ANNOUNCEMENT ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.6 Call started
| When in state "T0: waiting for the call to establish", if:
a) the MCPTT user accepts the call when MCPTT user acknowledgement is required; or
b) the MCPTT client sends a GROUP CALL ANNOUNCEMENT message on expiry of timer TFG1 (wait for call announcement) associated with the basic call control state machine;
the MCPT... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.7 Upgrade call
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.7.1 Originating user upgrading the call
| When in the "T2: in-progress basic group call" state, upon receiving an indication from the user to upgrade the call to "IMMINENT PERIL GROUP CALL" or "EMERGENCY GROUP CALL" or when in the "T3: in-progress imminent peril group call" state, upon receiving an indication from the user to upgrade the call to "EMERGENCY GRO... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.7.2 Terminating UE receiving a GROUP CALL ANNOUNCEMENT message when participating in the ongoing call
| When in the "T1: in-progress emergency group call" state or "T2: in-progress basic group call" state or "T3: in-progress imminent peril group call" state, upon receiving a GROUP CALL ANNOUNCEMENT message with the MCPTT group ID IE matching with MCPTT group ID of the ongoing call and the Call Identifier IE being the sam... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8 Downgrade call
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.1 Originating user downgrading emergency group call
| When in the "T1: in-progress emergency group call" state, upon receiving an indication from:
1) the MCPTT user who upgraded the MCPTT group call; or
2) an authorized MCPTT user with the value of "/<x>/<x>/Common/MCPTTGroupCall/EmergencyCall/CancelMCPTTGroup" leaf node present in the user profile as specified in 3GPP ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.2 Retransmitting GROUP CALL EMERGENCY END
| When in the "T2: in-progress basic group call" state, upon expiry of timer TFG11 (emergency end retransmission), the MCPTT client:
1) shall generate a GROUP CALL EMERGENCY END message as specified in clause 15.1.15. In the GROUP CALL EMERGENCY END message, the MCPTT client:
a) shall set the Call identifier IE to the ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.3 Terminating user downgrading emergency group call
| When in the "T1: in-progress emergency group call" state, upon receiving GROUP CALL EMERGENCY END message, the MCPTT client:
1) shall set the stored last call type change time to the Last call type change time IE of the received GROUP CALL EMERGENCY END message;
2) shall set the stored last user to change call type t... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.4 Originating user downgrading imminent peril group call
| When in the "T3: in-progress imminent peril group call" state, upon receiving an indication from:
1) the MCPTT user who upgraded the call; or
2) an authorized user with the value of "/<x>/<x>/Common/MCPTTGroupCall/ImminentPerilCall/Cancel" leaf node present in the user profile as specified in 3GPP TS 24.483 [45] is s... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.5 Retransmitting GROUP CALL IMMINENT PERIL END
| When in the "T2: in-progress basic group call" state, upon expiry of timer TFG12 (imminent peril end retransmission), the MCPTT client:
1) shall generate a GROUP CALL IMMINENT PERIL END message as specified in clause 15.1.14. In the GROUP CALL IMMINENT PERIL END message, the MCPTT client:
a) shall set the Call identi... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.6 Terminating user downgrading imminent peril group call
| When in the "T3: in-progress imminent peril group call" state, upon receiving GROUP CALL IMMINENT PERIL END message, the MCPTT client:
1) shall set the stored last call type change time to the Last call type change time IE of the received GROUP CALL IMMINENT PERIL END message;
2) shall set the stored last user to cha... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.7 Void
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.8 Implicit emergency priority end
| When in the "T1: in-progress emergency group call" state, upon expiry of timer TFG13 (implicit downgrade emergency), the MCPTT client:
1) shall store the current UTC time as the stored last call type change time of the call;
2) shall store the originating MCPTT user ID as the stored last user to change call type of t... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.8.9 Implicit imminent peril priority end
| When in the "T3: in-progress imminent peril call" state, upon expiry of timer TFG14 (implicit downgrade imminent peril), the MCPTT client:
1) shall store the current UTC time as the stored last call type change time of the call;
2) shall store the originating MCPTT user ID as the stored last user to change call type ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.9 Merge of two calls
| When in the "T1: in-progress emergency group call" state or "T2: in-progress basic group call" state or "T3: in-progress imminent peril group call" state, upon receiving a GROUP CALL ANNOUNCEMENT message with the MCPTT group ID IE matching the stored MCPTT group ID of the call and:
1) the Originating MCPTT user ID IE ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.10 Call release after call establishment
| When in state T1: in-progress emergency group call" or "T2: in-progress basic group call" or "T3: in-progress imminent peril group call" or upon receiving an indication from MCPTT user to release the call, the MCPTT client:
1) shall release stored current call type;
2) shall release stored ProSe per-packet priority;
... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.11 Call release or reject before call establishment
| When in state "T0: waiting for the call to establish", upon receiving an indication from MCPTT user to release or reject the call, the MCPTT client:
1) shall release stored current call type;
2) shall release stored ProSe per-packet priority;
3) shall release Last call type change time;
4) shall release Last user t... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.12 Error handling
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.12.1 Unexpected MONP message received
| Upon receiving a MONP message in a state where there is no handling specified for the MONP message, the MCPTT client shall discard the MONP message.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.12.2 Unexpected indication from MCPTT user
| Upon receiving an indication from the MCPTT user in a state where there is no handling specified for the indication, the MCPTT client shall ignore the indication.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.2.3.4.12.3 Unexpected expiration of a timer
| Upon expiration of a timer in a state where there is no handling specified for expiration of the timer, the MCPTT client shall ignore the expiration of the timer.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3 Off-network Broadcast group call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.1 General
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2 Basic call control
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.1 General
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.2 Broadcast group call control state machine
| The figure 10.3.2.2-1 gives an overview of the main states and transitions on the UE for broadcast group call control.
Figure 10.3.2.2-1: Broadcast group call control state machine
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.3 Broadcast group call Control states
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.3.1 B1: start-stop
| This state exists for UE, when the UE is not part of an ongoing broadcast group call.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.3.2 B2: in-progress broadcast group call
| This state exists for UE, when the UE is part of an ongoing broadcast group call.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.3.3 B3: pending user action
| This state exists for the UE, when the UE has presented a notification to the MCPTT user for the received GROUP CALL BROADCAST message, is waiting for a response and is not expected to send confirm indication.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.3.4 B4: ignoring same call ID
| This state exists for UE, when the group call was rejected or released and GROUP CALL BROADCAST messages continue being received.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4 Procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.1 User initiating a broadcast group call
| When in the "B1: start-stop" state, upon the indication from MCPTT user to initiate the broadcast group call, the MCPTT client:
1) shall generate an SDP body as specified in clause 10.2.1.1.2 and store it as the SDP body of the call;
2) shall generate a random number with uniform distribution between 0 and 65535 and ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.2 Terminating UE receiving a GROUP CALL BROADCAST message when not participating in the in-progress broadcast group call
| When in the "B1: start-stop" state, upon receiving a GROUP CALL BROADCAST message with the Call identifier IE not matching any in-progress broadcast group call, the MCPTT client:
1) shall store the value of the Call identifier IE of the GROUP CALL BROADCAST message as the call identifier of the call;
2) shall store t... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.3 MCPTT user accepts the terminating call
| When in the "B3: pending user action" state, upon indication from the MCPTT user to accept the incoming broadcast group call, the MCPTT client:
1) shall establish a media session based on the stored SDP body of the call;
2) shall start floor control as terminating floor participant as described specified in clause 7.... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.4 MCPTT user rejects the terminating call
| When in the "B3: pending user action" state, upon an indication from the MCPTT user to reject the incoming broadcast group call, the MCPTT client:
1) shall stop timer TFB3 (waiting for the user);
2) shall start timer TFB1 (max duration); and
3) shall enter the "B4: ignoring same call ID" state.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.5 MCPTT user does not act on terminating call
| When in the "B3: pending user action" state, upon expiration of timer TFB3 (waiting for the user), the MCPTT client:
1) shall start timer TFB1 (max duration); and
2) shall enter the "B4: ignoring same call ID" state.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.6 Terminating user releasing the call
| When in the "B2: in-progress broadcast group call" state, upon an indication from the terminating MCPTT user to release the in-progress broadcast group call, the MCPTT client:
1) shall release the media session;
2) shall stop floor control; and
3) shall enter the "B4: ignoring same call ID" state.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.7 Originating user releasing the call
| When in the "B2: in-progress broadcast group call" state, upon an indication from the originating MCPTT user to release the in-progress broadcast group call, the MCPTT client:
1) shall release the media session;
2) shall generate a GROUP CALL BROADCAST END message as specified in clause 15.1.21. In the GROUP CALL BRO... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.8 Receiving GROUP CALL BROADCAST END message
| When in the "B2: in-progress broadcast group call" state or "B4: ignoring same call ID" state, upon receiving GROUP CALL BROADCAST END message with the same Call identifier IE as the stored call identifier, the MCPTT client:
1) shall release media session;
2) shall stop timer TFB1 (max duration);
3) shall clear the ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.9 Originating UE retransmitting GROUP CALL BROADCAST message
| When in the "B2: in-progress broadcast group call" state, upon expiry of timer TFB2 (broadcast retransmission), the MCPTT client:
1) shall generate a GROUP CALL BROADCAST message as specified in clause 15.1.20. In the GROUP CALL BROADCAST message, the MCPTT client:
a) shall set the Call identifier IE to the stored ca... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.10 Ignoring same call ID
| When in the "B4: ignoring same call ID" state, upon receiving GROUP CALL BROADCAST message and if the call identifier in GROUP CALL BROADCAST message matches with the stored call identifier the MCPTT client:
1) shall restart timer TFB1 (max duration); and
2) shall remain in "B4: ignoring same call ID" state.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.11 Releasing the call
| For the terminating UE when in the "B2: in-progress broadcast group call" state or "B4: ignoring same call ID" state, upon expiry of timer TFB1 (max duration) the MCPTT client:
1) shall release the media session;
2) shall clear the stored call identifier;
3) shall stop floor control, if running; and
4) shall enter ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.12 Restarting TFB1
| When in the "B2: in-progress broadcast group call" state, upon receiving GROUP CALL BROADCAST message and if the call identifier in GROUP CALL BROADCAST message matches with the stored call identifier, the MCPTT client:
1) shall restart timer TFB1 (max duration); and
2) shall remain in "B2: in-progress broadcast grou... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.13 Receiving GROUP CALL BROADCAST END message
| When in the "B3: pending user action" state, upon receiving GROUP CALL BROADCAST END message with the same Call identifier IE as the stored call identifier, the MCPTT client:
1) shall clear the stored call identifier;
2) shall stop timer TFB3 (waiting for the user); and
3) shall enter the "B1: start-stop" state.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.14 Error handling
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.14.1 Unexpected MONP message received
| Upon receiving a MONP message in a state where there is no handling specified for the MONP message, the MCPTT client shall discard the MONP message.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.14.2 Unexpected indication from MCPTT user
| Upon receiving an indication from the MCPTT user in a state where there is no handling specified for the indication, the MCPTT client shall ignore the indication.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.3.2.4.14.3 Unexpected expiration of a timer
| Upon expiration of a timer in a state where there is no handling specified for expiration of the timer, the MCPTT client shall ignore the expiration of the timer.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11 Private call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.0 General
| This clause describes the private call procedures between two MCPTT clients for on-network and off-network.
For on-network, private call procedures with floor control are specified in clause 11.1.1 and without floor control are specified in clause 11.1.2.
For on-network, private call procedures are specified for the ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1 On-network private call and first-to-answer call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1 Private call with floor control and first-to-answer call with floor control
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.1 General
| Clause 11.1.1 specifies the MCPTT client procedures, participating MCPTT function procedures and controlling MCPTT function procedures for on-network private calls with floor control and first-to-answer calls with floor control. The procedures cover both on-demand and pre-established session establishment. The procedur... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2 MCPTT client procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1 On-demand private call and first-to-answer call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1.1 Client originating procedures
| Upon receiving a request from an MCPTT user to establish an MCPTT private call, or upon accepting a request to perform a private call transfer or a private call forwarding, the MCPTT client shall generate an initial SIP INVITE request by following the UE originating session procedures specified in 3GPP TS 24.229 [4], w... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1.2 Client terminating procedures
| Upon receipt of an initial SIP INVITE request, the MCPTT client shall follow the procedures for termination of multimedia sessions in the IM CN subsystem as specified in 3GPP TS 24.229 [4] with the clarifications below.
The MCPTT client:
1) may reject the SIP INVITE request if any of the following conditions are met:... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1.3 Client terminating procedures for reception of SIP re-INVITE request
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request for an existing private call session, the MCPTT client shall:
1) if the SIP re-INVITE request contains an application/vnd.3gpp.mcptt-info+xml MIME body with the <mcpttinfo> element containing the <mcptt-Par... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1.4 MCPTT in-progress emergency cancel
| This clause covers both on-demand session and pre-established sessions.
Upon receiving a request from an MCPTT user to cancel the in-progress emergency condition on an MCPTT emergency private call, the MCPTT client shall generate a SIP re-INVITE request by following the UE session procedures specified in 3GPP TS 24.22... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.1.5 Upgrade to MCPTT emergency private call
| This clause covers both on-demand session and pre-established sessions.
Upon receiving a request from an MCPTT user to upgrade the ongoing MCPTT private call to an MCPTT emergency private call, the MCPTT client shall generate a SIP re-INVITE request as specified in 3GPP TS 24.229 [4], with the clarifications given bel... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.2 Private call and first-to-answer call using pre-established session
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.2.1 Client originating procedures
| Upon receiving a request from an MCPTT user to establish an MCPTT private call within a pre-established session, or upon accepting a request to complete a private call transfer or a private call forwarding within a pre-established session, the MCPTT client shall generate a SIP REFER request outside a dialog in accordan... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.2.2.2 Client terminating procedures
| The MCPTT client shall follow the procedures for termination of multimedia sessions as specified in clause 11.1.1.2.1.2 with the following clarifications:
1) if the MCPTT client is targeted for a new MCPTT emergency private call, the MCPTT client receives a SIP INVITE with an application/vnd.3gpp.mcptt-info+xml MIME b... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3 Participating MCPTT function procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.1 Originating procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.1.1 On-demand private call and first-to-answer call
| Upon receipt of a "SIP INVITE request for originating participating MCPTT function" containing an application/vnd.3gpp.mcptt-info+xml MIME body with the <session-type> element set to a value of "private" or "first-to-answer", the participating MCPTT function:
1) may reject the SIP INVITE request depending on the value... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.1.2 Private call and first-to-answer call initiation using pre-established session
| Upon receipt of a "SIP REFER request for a pre-established session", with:
1) the Refer-To header field containing a Content-ID ("cid") Uniform Resource Locator (URL) as specified in IETF RFC 2392 [62] that points to an application/resource-lists+xml MIME body as specified in IETF RFC 5366 [20] containing one or more ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.1.3 Receipt of SIP re-INVITE for MCPTT private call from the served user
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request for an existing MCPTT private call session the participating MCPTT function:
1) may reject the SIP re-INVITE request depending on the value of the Resource-Priority header field if the Resource-Priority hea... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.2 Terminating procedures
| This clause covers both on demand session and pre-established session.
In the procedure in this clause a private call requested by an MCPTT user refers to a private call:
1) with no <call-transfer-ind> element present in the application/vnd.3gpp.mcptt-info+xml MIME body element or with a <call-transfer-ind> element p... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.3.3 Receipt of SIP re-INVITE request by terminating participating function
| This clause covers the on-demand session case only.
Upon receipt of a SIP re-INVITE request for an existing MCPTT private call session the participating MCPTT function:
1) if unable to process the request due to a lack of resources or a risk of congestion exists, may reject the SIP re-INVITE with a SIP 500 (Server In... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4 Controlling MCPTT function procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.1 Originating procedures
| This clause describes the procedures for inviting an MCPTT user to an MCPTT session. The procedure is initiated by the controlling MCPTT function as the result of an action in clause 11.1.1.4.2
The controlling MCPTT function:
1) shall generate a SIP INVITE request as specified in clause 6.3.3.1.2;
NOTE 1: As a resul... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.2 Terminating procedures
| In the procedures in this clause:
1) <emergency–ind> refers to the <emergency-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body;
2) <alert–ind> refers to the <alert-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body; and
3) <session-type> refers to the <session-type> element of an appl... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.3 Receiving a SIP re-INVITE for upgrade to emergency private call
| In the procedures in this clause:
1) emergency indication in an incoming SIP re-INVITE request refers to the <emergency-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body; and
2) alert indication in an incoming SIP re-INVITE request refers to the <alert-ind> element of the application/vnd.3gpp.mcptt-in... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.4 Receiving a SIP re-INVITE for cancellation of emergency private call
| In the procedures in this clause:
1) emergency indication in an incoming SIP INVITE request refers to the <emergency-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body; and
2) alert indication in an incoming SIP INVITE request refers to the <alert-ind> element of the application/vnd.3gpp.mcptt-info+xml... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.5 Sending a SIP re-INVITE for upgrade to emergency private call
| This clause describes the procedures for sending a re-INVITE request to an MCPTT user in an MCPTT private call for the purpose of upgrading the session to an emergency private call session. The procedure is initiated by the controlling MCPTT function as the result of an action in clause 11.1.1.4.3.
The controlling MCP... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.1.4.6 Sending a SIP re-INVITE for cancellation of emergency private call
| This clause describes the procedures for sending a re-INVITE request to an MCPTT user in an MCPTT emergency private call for the purpose of downgrading the session to a normal priority private call session. The procedure is initiated by the controlling MCPTT function as the result of an action in clause 11.1.1.4.4.
Th... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.2 Private call without floor control and first-to-answer call without floor control
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.2.1 General
| Clause 11.1.2 specifies the MCPTT client procedures, participating MCPTT function procedures and controlling MCPTT function procedures for on-network private calls without floor control and first-to-answer calls without floor control. The procedures in clause 11.1.2 refer to the on-network private calls with floor cont... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.2.2 MCPTT client procedures
| When the MCPTT user wants to make an on-demand private call without floor control or first-to-answer call without floor control, the MCPTT client shall follow the procedures in clause 11.1.1.2.1.1 with the following exceptions:
1) in step 12) of clause 11.1.1.2.1.1, the MCPTT client shall not offer a media-level secti... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 11.1.2.3 Participating MCPTT function procedures
|
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