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Content for  TS 23.379  Word version:  17.5.0

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10.7  Private callWord‑p. 126

10.7.1  General

Private calls are enabled in both on-network and off-network.
Private calls can be setup in two different commencement modes, automatic commencement mode and manual commencement mode.
Private calls in on-network can be with or without floor control. Private calls in off-network are with floor control.

10.7.2  Private call in on-network

10.7.2.1  Information flows for private call in on-network

10.7.2.1.1  MCPTT private call request (MCPTT client to MCPTT server)
Table 10.7.2.1.1-1 describes the information flow MCPTT private call request from the MCPTT client to the MCPTT server.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT ID (see NOTE)OThe MCPTT ID of the called party
Functional alias (see NOTE)OThe functional alias of the called party
Use floor control indicationMThis element indicates whether floor control will be used for the private call.
SDP offerOMedia parameters of MCPTT client.
Requested commencement modeOAn indication that is included if the user is requesting a particular commencement mode
Implicit floor requestOAn indication that the user is also requesting the floor.
Location informationOLocation of the calling party
Requested priorityOApplication priority level requested for this call
Transfer indicatorOIndicates that the MCPTT private call request is a result of a call transfer (true/false)
Forwarding indicatorOIndicates that the MCPTT private call request is a result of a call forwarding.(true/false)
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10.7.2.1.2  MCPTT private call request (MCPTT server to MCPTT server)
Table 10.7.2.1.2-1 describes the information flow MCPTT private call request from the MCPTT server to the MCPTT server.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT IDMThe MCPTT ID of the called party
Functional aliasOThe functional alias of the called party
Use floor control indicationMThis element indicates whether floor control will be used for the private call.
SDP offerMMedia parameters of MCPTT client.
Requested commencement modeOAn indication of the commencement mode to be used.
Implicit floor requestOAn indication that the user is also requesting the floor.
Requested priorityOPriority level requested for the call.
Location informationOLocation of the calling party
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10.7.2.1.2a  MCPTT private call request (MCPTT server to MCPTT client)Word‑p. 127
Table 10.7.2.1.2a describes the information flow MCPTT private call request from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT IDMThe MCPTT ID of the called party
Functional aliasOThe functional alias of the called party
Use floor control indicationMThis element indicates whether floor control will be used for the private call.
SDP offerMMedia parameters of MCPTT client.
Requested commencement modeOAn indication of the commencement mode to be used.
Implicit floor requestOAn indication that the user is also requesting the floor.
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10.7.2.1.3  MCPTT private call response (MCPTT client to MCPTT server)
Table 10.7.2.1.3-1 describes the information flow MCPTT private call response from the MCPTT client to the MCPTT server.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT IDOThe MCPTT ID of the called party
Functional aliasOThe functional alias of the called party
SDP answerMMedia parameters selected
Requested commencement modeOAn indication of the commencement mode to be used.
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10.7.2.1.4  MCPTT private call responseWord‑p. 128
Table 10.7.2.1.4-1 describes the information flow MCPTT private call response from the MCPTT server to the MCPTT server and the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT IDOThe MCPTT ID of the called party
Functional aliasOThe functional alias of the called party
Acceptance confirmationOAn indication whether the user has positively accepted the call.
SDP answerMMedia parameters selected
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10.7.2.1.4a  MCPTT private call end request
Table 10.7.2.1.4a-1 describes the information flow MCPTT private call end request from the MCPTT client to the MCPTT server and from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
MCPTT IDMThe MCPTT ID of the called party
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10.7.2.1.4b  MCPTT private call end response |R15|Word‑p. 129
Table 10.7.2.1.4b-1 describes the information flow MCPTT private call end response from the MCPTT client to the MCPTT server and from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMIn the direction MCPTT client to MCPTT server this shall be the MCPTT ID of the responding MCPTT client.
In the direction MCPTT server to MCPTT client this shall be the MCPTT ID of the destination MCPTT client
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10.7.2.1.5  MCPTT emergency private call request (MCPTT client to MCPTT server)
Table 10.7.2.1.5-1 describes the information flow MCPTT emergency private call request from the MCPTT client to the MCPTT server.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT ID (NOTE)OThe MCPTT ID of the called party
Functional alias (NOTE)OThe functional alias of the called party
Emergency indicatorMIndicates that the private call request is an MCPTT emergency call
Alert indicatorMIndicates whether an emergency alert is to be sent
Requested commencement modeOAn indication of the commencement mode to be used.
Implicit floor requestOAn indication that the user is also requesting the floor.
SDP offerMMedia parameters of MCPTT client.
Requested priorityOPriority level requested for the call.
Location informationOLocation of the calling party
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10.7.2.1.5a  MCPTT emergency private call request (MCPTT server to MCPTT client)
Table 10.7.2.1.5a-1 describes the information flow MCPTT emergency private call request from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
Functional aliasOThe functional alias of the calling party
MCPTT IDMThe MCPTT ID of the called party
Emergency indicatorMIndicates that the private call request is an MCPTT emergency call
Alert indicatorMIndicates whether an emergency alert is to be sent
Requested commencement modeOAn indication of the commencement mode to be used.
Implicit floor requestOAn indication that the user is also requesting the floor.
SDP offerMMedia parameters of MCPTT client.
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10.7.2.1.6  MCPTT progress indicationWord‑p. 130
Table 10.7.2.1.6-1 describes the information flow MCPTT progress indication from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
MCPTT IDMThe MCPTT ID of the called party
Progress indicationOIndication to the caller.
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10.7.2.1.7  MCPTT ringing
Table 10.7.2.1.7-1 describes the information flow MCPTT ringing from the MCPTT client to the MCPTT server, from the MCPTT server to the MCPTT server, and from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
MCPTT IDMThe MCPTT ID of the called party
Ringing indicationOIndication to the caller.
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10.7.2.1.8  MCPTT functional alias resolution response |R17|
Table 10.7.2.1.8-1 describes the information flow MCPTT functional alias resolution response from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
MCPTT IDMThe corresponding MCPTT ID of the called functional alias
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10.7.2.1.9  MCPTT private call cancel request (MCPTT server to MCPTT client) |R17|Word‑p. 131
Table 10.7.2.1.9-1 describes the information flow MCPTT private call cancel request from the MCPTT server to the MCPTT client.
Information Element Status Description
MCPTT IDMThe MCPTT ID of the calling party
MCPTT IDMThe MCPTT ID of the called party
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10.7.2.1.10  MCPTT private call cancel response (MCPTT client to MCPTT server) |R17|
Table 10.7.2.1.10-1 describes the information flow MCPTT private call cancel response from the MCPTT client to the MCPTT server.
information elements
Information Element Status Description
MCPTT IDMThe MCPTT ID of the called party
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