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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.3 End group call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.3.1 Client originating procedures on-demand
| When an MCPTT client wants to leave the MCPTT session that has been established using on-demand session, the MCPTT client shall follow the procedures as specified in clause 6.2.4.1 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedu... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.3.2 Client originating procedures using pre-established session
| When an MCPTT client wants to leave the MCPTT call within a pre-established session, the MCPTT client shall follow the procedures as specified in clause 6.2.4.2 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedures specified in cla... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.3.3 Client terminating procedures
| Upon receiving a SIP BYE request for releasing the prearranged MCPTT group call, the MCPTT client shall follow the procedures as specified in clause 6.2.6 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedures specified in clause 6.... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.4 Rejoin procedure
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.4.1 On demand session establishment
| Upon receiving a request from an MCPTT user to rejoin an ongoing MCPTT session or triggered by coming back from out of coverage, the MCPTT client shall generate an initial SIP INVITE request by following the UE originating session procedures specified in 3GPP TS 24.229 [4], with the clarifications given below.
NOTE: H... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.2.4.2 Pre-established session
| Upon receiving a request from an MCPTT user to rejoin an ongoing MCPTT call within the pre-established session or triggered by coming back from out of coverage, the MCPTT client shall generate a SIP REFER request as specified in IETF RFC 3515 [25] as updated by IETF RFC 6665 [26] and IETF RFC 7647 [27], and in accordan... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3 Participating MCPTT function procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.1 Originating procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.1.1 On demand prearranged group call
| In the procedures in this clause:
1) group identity in an incoming SIP INVITE request refers to the group identity from the <mcptt-request-uri> element of the application/vnd.3gpp.mcptt-info+xml MIME body of the incoming SIP INVITE request;
2) emergency indication in an incoming SIP INVITE request refers to the <emer... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.1.2 Prearranged group call 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 an <entry> e... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.1.3 Reception of a SIP re-INVITE request from served MCPTT client
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request for an MCPTT session identifying an on-demand prearranged MCPTT group session or pre-established session, the participating MCPTT function:
1) if unable to process the request due to a lack of resources or ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.2 Terminating Procedures
| 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) imminent peril indication in an incoming SIP INVITE request refers to the <imminentperil-ind> element of the application/vnd.3... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.3 End group call at the originating participating MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.3.1 Receipt of SIP BYE request for ending group call on-demand
| Upon receiving from the MCPTT client a SIP BYE request the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.1.6.
If the MCPTT session for group call was established as a result of receiving a remotely initiated call request and if the implicit affiliation procedures of clause 9.2.2... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.3.2 Receipt of SIP REFER "BYE" request for ending group call using pre-established session
| Upon receiving from the MCPTT client a SIP REFER request when using a pre-established session with the "method" SIP URI parameter set to value "BYE" in the URI in the Refer-To header field the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.1.7.
If the MCPTT session for group call... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.4 End group call at the terminating participating MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.4.1 Receipt of SIP BYE request for group call on-demand
| Upon receiving a SIP BYE request from the controlling MCPTT function, the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.2.8.1.
If the MCPTT session for group call was established as a result of receiving a remotely initiated call request and if the implicit affiliation procedure... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.4.2 Receipt of SIP BYE request when ongoing pre-established session
| Upon receiving a SIP BYE request from the controlling MCPTT function and if the MCPTT session id refers to an MCPTT user that has a pre-established session with the participating MCPTT function, the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.2.8.2.
If the MCPTT session for gr... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.5 Rejoin procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.5.1 Originating procedures - on demand prearranged group 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 "prearranged", the participating MCPTT function shall follow the procedures specified in clause 10.1.1.3.1.1 with the clarific... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.5.2 Originating procedures - prearranged group call using pre-established session
| Upon receipt of a "SIP REFER request for a pre-established session", with the Refer-To header containing an application/vnd.3gpp.mcptt-info+xml MIME type content in an hname "body" parameter in the headers portion of the SIP URI and with the <session-type> element set to "prearranged" the participating MCPTT function s... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.3.6 Reception of a SIP re-INVITE request for terminating MCPTT client for priority 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) imminent peril indication in an incoming SIP INVITE request refers to the <imminentperil-ind> element of the application/vnd.3g... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4 Controlling MCPTT function procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.1 Originating Procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.1.1 INVITE targeted to an MCPTT client
| 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 10.1.1.4.2 or as the result of receiving a SIP 403 (Forbidden) response as described in this clause.
The controlling MCPTT function:
1)... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.1.2 INVITE targeted to the non-controlling MCPTT function of an MCPTT group
| The controlling MCPTT function:
1) shall generate a SIP INVITE request as specified in clause 6.3.3.1.2;
2) shall set the Request-URI to the public service identity of the non-controlling MCPTT function serving the group identity of the MCPTT group owned by the partner MCPTT system;
NOTE 1: If the non-controlling MC... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.2 Terminating Procedures
| In the procedures in this clause:
1) MCPTT ID in an incoming SIP INVITE request refers to the MCPTT ID of the originating user from the <mcptt-calling-user-id> element of the application/vnd.3gpp.mcptt-info+xml MIME body of the incoming SIP INVITE request;
2) group identity in an incoming SIP INVITE request refers to... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.3 End group call at the terminating controlling MCPTT function
| Upon receiving a SIP BYE request the controlling MCPTT function shall follow the procedures as specified in clause 6.3.3.2.4.
If the MCPTT session for group call was established as a result of receiving of a remotely initiated call request and if the implicit affiliation procedures of clause 9.2.2.3.7 were invoked in ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.4 End group call initiated by the controlling MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.4.1 General
| This clause describes the procedures of each functional entity for ending the group call initiated by the controlling MCPTT function.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.4.2 SIP BYE request for releasing MCPTT session for a group call
| When the MCPTT session for group call needs to be released as specified in clause 6.3.8.1, the controlling MCPTT function shall follow the procedures in clause 6.3.3.1.5.
If the MCPTT session for group call was established as a result of receiving a remotely initiated call request and if the implicit affiliation proce... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.4.3 SIP BYE request toward a MCPTT client
| When an MCPTT client needs to be removed from the MCPTT session (e.g. due to de-affiliation or admitting a higher priority user), the controlling MCPTT function shall follow the procedures in clause 6.3.3.1.5.
After successful removing the MCPTT client from the MCPTT session, the controlling MCPTT function may generat... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.5 Rejoin procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.5.1 Terminating procedures
| Upon receipt of a SIP INVITE request that includes an MCPTT session identity of an ongoing MCPTT session in the Request-URI the controlling 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 INVITE request with a SIP 500 (Server Internal Er... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.6 Late call entry initiated by controlling MCPTT function
| When controlling MCPTT function is notified that an MCPTT client is newly affiliated or comes back from out of coverage, the controlling MCPTT function shall invite the MCPTT client to join an ongoing MCPTT group call by following the procedures specified in clause 10.1.1.4.1.
NOTE: How the MCPTT function is informed ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.7 Receipt of a SIP re-INVITE request
| 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) imminent peril indication in an incoming SIP INVITE request refers to the <imminentperil-ind> element of the application/vnd.3g... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.4.8 Handling of a SIP re-INVITE request for imminent peril session
| This procedure is initiated by the controlling MCPTT function as the result of an action in clause 10.1.1.4.7.
In the procedures in this clause:
1) imminent peril indication in an incoming SIP re-INVITE request refers to the <imminentperil-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body.
When the c... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5 Non-controlling function of an MCPTT group procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.1 Originating procedures
| This clause describes the procedures for inviting an MCPTT user to an MCPTT session. The procedure is initiated by the non-controlling MCPTT function of an MCPTT group as the result of an action in clause 10.1.1.5.2 or clause 10.1.1.5.5.
The non-controlling MCPTT function:
1) shall invite the MCPTT clients as specifi... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.2 Terminating procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.2.1 General
| When receiving the "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" the MCPTT server can be acting as a controller MCPTT function in an ongoing prearranged group call or, if an prearranged group call is not ongoing, be initiated as an non-controlling MCPTT function and invite MCPTT users.
If a... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.2.2 Initiating a prearranged group call
| Upon receipt of a "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" and if a prearranged group call is not ongoing, the non-controlling MCPTT function of an MCPTT group:
NOTE 1: The Contact header field of the SIP INVITE request contains the isfocus media feature tag.
1) if unable to process t... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.2.3 Joining an ongoing prearranged group call
| Upon receipt of a "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" and if a prearranged group call is already ongoing, the non-controlling MCPTT function of an MCPTT group:
NOTE 1: The Contact header field of the SIP INVITE request contains the isfocus media feature tag.
1) shall determine if... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.2.4 Splitting an ongoing prearranged group call
| Upon receipt of a SIP BYE request or a final SIP reject response from the controlling MCPTT function, the non-controlling MCPTT function of an MCPTT group:
1) if keeping the prearranged group call active is according to the release policy in clause 6.3.8.1, shall request media plane to switch to controlling mode as sp... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.3 Rejoin procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.3.1 Terminating procedures
| Upon receipt of a SIP INVITE request that includes an MCPTT session identity of an ongoing MCPTT session in the Request-URI the non-controlling MCPTT function act as a controlling MCPTT function towards the MCPTT client and shall perform the actions in the clause 10.1.1.4.5.1 with the following clarifications:
1) the ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.3.2 Late call entry initiated by non-controlling MCPTT function
| When non-controlling MCPTT function is notified that an MCPTT client is newly affiliated or comes back from out of coverage, the non-controlling MCPTT function shall invite the MCPTT client to join an ongoing MCPTT group call by following the procedures specified in clause 10.1.1.5.1.
NOTE: How the MCPTT function is i... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.1.5.5 Initiating a temporary group session
| Upon receiving a "SIP INVITE request from participating MCPTT function for non-controlling MCPTT function of an MCPTT group" when a prearranged group session is not ongoing, the non-controlling MCPTT-function shall:
NOTE 1: The difference between a "SIP INVITE request from participating MCPTT function for non-controll... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2 Chat group (restricted) call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.1 General
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2 MCPTT client procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1 On-demand chat group call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.1 Procedure for initiating a chat MCPTT group call and procedure for joining a chat MCPTT group call
| Upon receiving a request from an MCPTT user to initiate or join an MCPTT group call using an MCPTT group identity, identifying a chat MCPTT group, the MCPTT client shall determine whether the group document contains a <list-service> element that contains a <preconfigured-group-use-only> element. If a <preconfigured-gro... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.2 MCPTT client receives SIP re-INVITE request
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request the MCPTT client:
1) if the SIP re-INVITE request contains an application/vnd.3gpp.mcptt-info+xml MIME body with the <mcpttinfo> element containing the <mcptt-Params> element with the <emergency-ind> elemen... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.3 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 a chat MCPTT group, the MCPTT client shall generate a SIP re-INVITE request as specified in 3GPP TS 24.229 [4], with the clarifications given below.
The ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.4 MCPTT upgrade to in-progress emergency or imminent peril
| This clause covers both on-demand session and pre-established sessions.
Upon receiving a request from an MCPTT user to upgrade the MCPTT group call to an emergency condition or an imminent peril condition on a chat MCPTT group, the MCPTT client shall generate a SIP re-INVITE request as specified in 3GPP TS 24.229 [4],... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.5 MCPTT in-progress imminent peril 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 imminent peril condition on a chat MCPTT group, the MCPTT client shall generate a SIP re-INVITE request by following the procedures specified in 3GPP TS 24.229 [4], with the cla... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.1.6 MCPTT client receives a SIP INVITE request for an MCPTT group call
| This procedure is used for MCPTT emergency and MCPTT imminent peril calls when the MCPTT client is affiliated but not joined to the chat group.
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 M... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.2 Chat group call within a pre-established session
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.2.1 Procedure for initiating a chat MCPTT group call and procedure for joining a chat MCPTT group call
| Upon receiving a request from an MCPTT user to initiate or join an MCPTT group call using an MCPTT group identity identifying a chat MCPTT group within the pre-established session, the MCPTT client shall determine whether the group document contains a <list-service> element that contains a <preconfigured-group-use-only... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.3 End group call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.3.1 Client originating procedures on-demand
| When an MCPTT client wants to leave the MCPTT session that has been established using on-demand session, the MCPTT client shall follow the procedures as specified in clause 6.2.4.1 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedu... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.3.2 Client originating procedures using pre-established session
| When an MCPTT client wants to leave the MCPTT session within a pre-established session, the MCPTT client shall follow the procedures as specified in clause 6.2.4.2 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedures specified in ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.2.3.3 Client terminating procedures
| Upon receiving a SIP BYE request for releasing the MCPTT chat session, the MCPTT client shall follow the procedures as specified in clause 6.2.6 and if the MCPTT session is an MCPTT emergency group call or an MCPTT imminent peril group call, the MCPTT client shall perform the procedures specified in clause 6.2.8.1.17.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3 Participating MCPTT function procedures
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.1 On-demand chat group call
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.1.1 MCPTT chat session establishment
| In the procedures in this clause:
1) group identity in an incoming SIP INVITE request refers to the group identity from the <mcptt-request-uri> element of the application/vnd.3gpp.mcptt-info+xml MIME body of the incoming SIP INVITE request;
2) emergency indication in an incoming SIP INVITE request refers to the <emer... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.1.2 Reception of a SIP re-INVITE request from served MCPTT client
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request for a served MCPTT client of a chat MCPTT group, 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 INVITE r... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.1.3 Reception of a SIP INVITE request for terminating MCPTT client
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a "SIP INVITE request for terminating participating MCPTT function", for a terminating MCPTT client of a chat MCPTT group, the participating MCPTT function:
1) if unable to process the request due to a lack of resources or a risk ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.1.4 Reception of a SIP re-INVITE request for terminating MCPTT client
| This clause covers both on-demand session and pre-established sessions.
Upon receipt of a SIP re-INVITE request for a terminating MCPTT client of a chat MCPTT group, the participating MCPTT function:
1) shall check if a Resource-Priority header field is included in the incoming SIP re-INVITE request and may perform f... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.2 Chat group call within a pre-established session
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.2.1 MCPTT chat session establishment
| Upon receipt of a "SIP REFER request for a pre-established session", with:
1) the Refer-To header 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 a <resource-lists>... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.2.2 MCPTT chat session establishment for terminating user within a pre-established session
| NOTE 1: If an <MKFC-GKTPs> element is received in a SIP INVITE request, the participating MCPTT function essentially ignores it and does not forward it, resulting in unicast media plane transmission being used for the terminating client.
Upon receipt of a SIP INVITE request or a SIP re-INVITE request for a terminating... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.3 End group call at the originating participating MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.3.1 Receipt of SIP BYE request for ending on-demand chat session
| Upon receiving from the MCPTT client a SIP BYE request the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.1.6.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.3.2 Receipt of SIP REFER "BYE" request for ending chat session using pre-established session
| Upon receiving from the MCPTT client a SIP REFER request when using a pre-established session with the "method" SIP URI parameter set to value "BYE" in the URI in the Refer-To header field the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.1.7.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.4 End group call at the terminating participating MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.4.1 Receipt of SIP BYE request for on-demand chat session
| Upon receiving a SIP BYE request from the controlling MCPTT function, the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.2.8.1.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.3.4.2 Receipt of SIP BYE request for ongoing pre-established session
| Upon receiving a SIP BYE request from the controlling MCPTT function and if the MCPTT session id refers to an MCPTT user that has a pre-established session with the participating MCPTT function, the participating MCPTT function shall follow the procedures as specified in clause 6.3.2.2.8.2.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4 Controlling MCPTT function procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.1 On-demand chat group call
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.1.1 Procedure for establishing an MCPTT chat session and procedure for joining an established MCPTT chat session
| In the procedures in this clause:
1) MCPTT ID in an incoming SIP INVITE request refers to the MCPTT ID of the originating user from the <mcptt-calling-user-id> element of the application/vnd.3gpp.mcptt-info+xml MIME body of the incoming SIP INVITE request;
2) group identity in an incoming SIP INVITE request refers to... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.1.2 Receipt of a SIP re-INVITE request
| 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) imminent peril indication in an incoming SIP re-INVITE request refers to the <imminentperil-ind> element of the application/... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.1.3 Handling of a SIP re-INVITE request for imminent peril session
| In the procedures in this clause:
1) imminent peril indication in an incoming SIP INVITE request refers to the <imminentperil-ind> element of the application/vnd.3gpp.mcptt-info+xml MIME body.
When the controlling function receives a SIP re-INVITE request with and imminent peril indication, the controlling function:
... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.2 End group call at the terminating controlling MCPTT function
| Upon receiving a SIP BYE request the controlling MCPTT function shall follow the procedures as specified in clause 6.3.3.2.4.
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.3 End group call initiated by the controlling MCPTT function
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603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.3.1 General
| This clause describes the procedures of each functional entity for ending the group call initiated by the controlling MCPTT function.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.3.2 SIP BYE request for releasing MCPTT session for a group call
| When the MCPTT session for group call needs to be released as specified in clause 6.3.8.1, the controlling MCPTT function shall follow the procedures in clause 6.3.3.1.5.
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.4.3.3 SIP BYE request toward a MCPTT client
| When an MCPTT client needs to be removed from the MCPTT session (e.g. due to de-affiliation or admitting a higher priority user), the controlling MCPTT function shall follow the procedures in clause 6.3.3.1.5.
After successful removing the MCPTT client from the MCPTT session, the controlling MCPTT function may generat... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5 Non-controlling function of an MCPTT group procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1 Terminating procedures
| |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.1 General
| When receiving the "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" the MCPTT server can be acting as a controller MCPTT function in an ongoing chat group call or, if a chat group call is not ongoing, be initiated as an non-controlling MCPTT function and invite MCPTT users.
If a chat group cal... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.2 Initiating a chat group session
| Upon receipt of a "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" and if a chat group call is not ongoing, the non-controlling MCPTT function of an MCPTT group:
NOTE 1: The Contact header field of the SIP INVITE request contains the isfocus media feature tag.
1) if unable to process the requ... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.3 Joining an ongoing chat group call
| Upon receipt of a "SIP INVITE request for non-controlling MCPTT function of an MCPTT group" and if a chat group call is already ongoing, the non-controlling MCPTT function of an MCPTT group:
NOTE 1: The Contact header field of the SIP INVITE request contains the isfocus media feature tag.
1) shall determine if the me... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.4 Splitting an ongoing chat group call
| Upon receipt of a SIP BYE request, the non-controlling MCPTT function of an MCPTT group:
1) if keeping the chat group call active is according to the release policy in clause 6.3.8.1, shall request media plane to switch to controlling mode as specified in 3GPP TS 24.380 [5] clause 6.3.5;
NOTE 1: Resulting media plane... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.5 MCPTT client joining the temporary group chat session
| Upon receiving of a "SIP INVITE request from participating MCPTT function for non-controlling MCPTT function of an MCPTT group" when a chat session is ongoing, the non-controlling MCPTT function shall act as a controlling MCPTT function towards the MCPTT client and shall perform the actions in the clause 10.1.2.4.1.1 w... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.6 Receipt of a SIP re-INVITE request from an MCPTT client
| Upon receipt of a SIP re-INVITE request from an MCPTT client the non-controlling MCPTT function shall act as the controlling MCPTT function and shall perform the actions in clause 10.1.2.4.1.2.
10.1.2.5.1.7 void
|
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.2.5.1.8 Initiating a temporary group session
| Upon receiving a "SIP INVITE request from participating MCPTT function for non-controlling MCPTT function of an MCPTT group" when a chat group session is not ongoing, the non-controlling MCPTT-function shall:
NOTE 1: The difference between a "SIP INVITE request from participating MCPTT function for non-controlling MCP... |
603c77cd0da93e5e476a024643c0ef1c | 24.379 | 10.1.3 Subscription to the conference event package
|
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