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7.1.3.4.1 General
There is ongoing group communication between multiple MCVideo clients. Another MCVideo client, after becoming aware of that group communication and after it has received periodically sent communication parameters, joins the group with or without sending an indication to other group members.
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7.1.3.4.2 Procedure
Figure 7.1.3.4.2-1 describes procedures to join a MCVideo group communication passively. The MCVideo client X passively waits for a Group communication announcement message. Upon receiving a periodic Group communication announcement message, MCVideo client X establishes media plane and joins the MCVideo group communic...
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7.1.3.5 Active join to group communication
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7.1.3.5.1 General
There is ongoing group communication between multiple MCVideo clients. Another MCVideo client, after becoming aware of that group communication, sends a request to get the required communication parameters and after feedback joins the group with or without sending an indication to other group members.
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7.1.3.5.2 Procedure
Figure 7.1.3.5.2-1 describes procedures to join a MCVideo group communication actively. The MCVideo client X sends a Group communication announcement message towards the MCVideo group. Upon receiving a Group communication announcement message with new communication parameters, such as communication identifier, a MCVi...
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7.1.3.6 Broadcast group communication
Figure 7.1.3.6-1 describes procedures for broadcast group communication. Broadcast group communication over group-broadcast group and over user-broadcast group are handled without distinction in off-network. Figure 7.1.3.6-1: Broadcast group communication 1. MCVideo client 1 initiates group communication setup as ...
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7.1.3.7 Group communication release due to inactivity
If the on-going MCVideo group communication is inactive for a specific duration, the participating MCVideo clients release the MCVideo group communication. Inactivity is defined as absence of any transmission to or from other communication participants. NOTE: Inactivity time can be set according to the policy of MC se...
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7.1.3.8 Emergency and imminent peril procedures
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7.1.3.8.1 Emergency group communication
The off-network emergency group communication is a special case of off-network (non-emergency) group communication as defined in subclause 7.1.3.2, subclause 7.1.3.3, subclause 7.1.3.4, subclause 7.1.3.5, subclause 7.1.3.6 and subclause 7.1.3.7. The following are modifications to the aforementioned subclauses to suppor...
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7.1.3.8.2 MCVideo imminent peril
The off-network imminent peril group communication is a special case of off-network (non-imminent peril) group communication as defined in subclause 7.1.3.2, subclause 7.1.3.3, subclause 7.1.3.4, subclause 7.1.3.5, subclause 7.1.3.6 and subclause 7.1.3.7. The following are modifications to the aforementioned subclauses...
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7.1.3.9 MCVideo emergency alert
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7.1.3.9.1 General
The MCVideo client use emergency alert initiation and emergency alert cancel procedures defined in 3GPP TS 23.280 [6], with the following clarifications: - The MC service ID is the MCVideo ID; and - The MC service group ID is the MCVideo group ID.
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7.2 Private call
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7.2.1 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.
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7.2.2 Private call on-network
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7.2.2.1 General
The private call setup in automatic commencement mode is described in subclause 7.2.2.3.1, manual commencement mode in subclause 7.2.2.3.2 and private call release (client or server initiated) in subclause 7.2.2.3.3.
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7.2.2.2 Information flows for private call in on-network
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7.2.2.2.1 MCVideo private call request (MCVideo client – MCVideo server)
Table 7.2.2.2.1-1 describes the information flow MCVideo private call request from the MCVideo client to the MCVideo server. Table 7.2.2.2.1-1: MCVideo private call request (MCVideo client – MCVideo server) Information Element Status Description MCVideo ID M The MCVideo ID of the calling party Functional alias ...
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7.2.2.2.2 MCVideo private call request
Table 7.2.2.2.2-1 describes the information flow MCVideo private call request from the MCVideo server to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.2.2.2.2-1: MCVideo private call request Information Element Status Description MCVideo ID M The MCVideo ID of the calling party ...
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7.2.2.2.3 MCVideo private call response (MCVideo client – MCVideo server)
Table 7.2.2.2.3-1 describes the information flow MCVideo private call response from the MCVideo client to the MCVideo server. Table 7.2.2.2.3-1: MCVideo private call response (MCVideo client – MCVideo server) Information Element Status Description MCVideo ID M The MCVideo ID of the calling party MCVideo ID O ...
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7.2.2.2.4 MCVideo private call response
Table 7.2.2.2.4-1 describes the information flow MCVideo private call response from the MCVideo server to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.2.2.2.4-1: MCVideo private call response Information Element Status Description MCVideo ID M The MCVideo ID of the calling party ...
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7.2.2.2.5 MCVideo call end request
Table 7.2.2.2.5-1 describes the information flow MCVideo call end request from the MCVideo client to the MCVideo server, from the MCVideo server to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.2.2.2.5-1: MCVideo call end request Information Element Status Description MCVideo ID M...
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7.2.2.2.6 MCVideo emergency private call request (MCVideo client to MCVideo server)
Table 7.2.2.2.6-1 describes the information flow MCVideo emergency private call request from the MCVideo client to the MCVideo server. Table 7.2.2.2.6-1: MCVideo emergency private call request (MCVideo client to MCVideo server) Information Element Status Description MCVideo ID M The MCVideo ID of the calling par...
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7.2.2.2.7 MCVideo emergency private call request
Table 7.2.2.2.7-1 describes the information flow MCVideo emergency private call request from the MCVideo server to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.2.2.2.7-1: MCVideo emergency private call request Information Element Status Description MCVideo ID M The MCVideo ID of ...
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7.2.2.2.8 Emergency MCVideo private call response (MCVideo client – MCVideo server)
Table 7.2.2.2.8-1 describes the information flow emergency MCVideo private call response from the MCVideo client to the MCVideo server. Table 7.2.2.2.8-1: Emergency MCVideo private call response (MCVideo client – MCVideo server) Information Element Status Description MCVideo ID M The MCVideo ID of the calling pa...
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7.2.2.2.9 Emergency MCVideo private call response
Table 7.2.2.2.9-1 describes the information flow Emergency MCVideo private call response from the MCVideo server to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.2.2.2.9-1: Emergency MCVideo private call response Information Element Status Description MCVideo ID M The MCVideo ID o...
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7.2.2.2.10 MCVideo progress indication
Table 7.2.2.2.10-1 describes the information flow MCVideo progress indication from the MCVideo server to the MCVideo client. Table 7.2.2.2.10-1: MCVideo progress indication information elements Information Element Status Description MCVideo ID M The MCVideo ID of the calling party MCVideo ID M The MCVideo ID ...
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7.2.2.2.11 MCVideo functional alias resolution response
Table 7.2.2.2.11-1 describes the information flow MCVideo functional alias resolution response from the MCVideo server to the MCVideo client. Table 7.2.2.2.11-1: MCVideo functional alias resolution response information elements Information Element Status Description MCVideo ID M The MCVideo ID of the calling par...
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7.2.2.3 Private call within one MC system
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7.2.2.3.1 Private call setup in automatic commencement mode
The procedure describes the scenario where an MCVideo user is initiating an MCVideo private call for communicating with another MCVideo user, with or without transmission control enabled, in an automatic commencement mode. Procedures in figure 7.2.2.3.1-1 are the basic signalling control plane procedures for the MCVi...
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7.2.2.3.2 Private call setup in manual commencement mode
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7.2.2.3.2.1 Description
Figure 7.2.2.3.2.2-1 describes the basic procedure for the MCVideo client initiating an MCVideo private call that uses manual commencement mode. The flow may use a transmit media request in the MCVideo private call request indicating that the originator will be granted permission to transmit when the call starts and el...
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7.2.2.3.2.2 Procedure
Both clients are served by the primary MC service provider in figure 7.2.2.3.2.2-1. Pre-conditions: 1. MCVideo client 1 and MCVideo client 2 are both registered and their respective users, MCVideo user 1 and MCVideo user 2, are authenticated and authorized to use the MCVideo service. 2. The calling MCVideo user has...
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7.2.2.3.3 Private call release
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7.2.2.3.3.1 Client initiated
The procedure describes the scenario where an MCVideo client is requesting to release an ongoing MCVideo private call (with or without transmission control) and the call established in either of the two commencement modes (manual or automatic). Procedures in figure 7.2.2.3.3.1-1 are the basic signalling control plane ...
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7.2.2.3.3.2 Server initiated
The procedure describes the scenario where an MCVideo server is terminating an ongoing MCVideo private call and the call established in either of the two commencement modes (manual or automatic), upon conditions to terminate call e.g., MCVideo administrator configured maximum duration for MCVideo private calls has exp...
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7.2.2.4 MCVideo emergency private call
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7.2.2.4.1 MCVideo emergency private call commencement
This procedure describes the case where an authorized MCVideo user is initiating an MCVideo emergency private call with unicast signalling for communicating with another MCVideo user. An MCVideo client in the MCVideo emergency state gains elevated access privilege for all of the MCVideo user's mission critical applicat...
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7.2.2.4.2 MCVideo private call emergency upgrade
This procedure describes the case where an authorized MCVideo user is upgrading a private call to an MCVideo emergency private call while the private call is already in progress. Procedures in figure 7.2.2.4.2-1 are the signalling procedures for the MCVideo client upgrading a private call to an MCVideo emergency priva...
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7.2.3 Off-network private communications
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7.2.3.1 General
The private call setup in automatic commencement mode is described in subclause 7.2.3.4, manual commencement mode in subclause 7.2.3.5 and private call release in subclause 7.2.3.6.
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7.2.3.2 Information flows for off-network private communications
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7.2.3.2.1 Private communication request
Table 7.2.3.2.1-1 describes the information flow for the private communication request sent from one MCVideo client to another MCVideo client. Table 7.2.3.2.1-1: Private communication request Information element Status Description MCVideo ID M The identity of the MCVideo user requesting the communication MCVide...
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7.2.3.2.2 Private communication answer response
Table 7.2.3.2.2-1 describes the information flow for the response of private communication request sent from one MCVideo client to another MCVideo client. Table 7.2.3.2.2-1: Private communication answer response Information element Status Description MCVideo ID M The identity of the MCVideo user requesting the c...
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7.2.3.2.3 Private communication release request
Table 7.2.3.2.3-1 describes the information flow for the private communication release request sent from one MCVideo client to another MCVideo client. Table 7.2.3.2.3-1: Private communication release request Information element Status Description MCVideo ID M The identity of the MCVideo user requesting the commu...
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7.2.3.2.4 Private communication release response
Table 7.2.3.2.4-1 describes the information flow for the private communication release response sent from one MCVideo client to another MCVideo client. Table 7.2.3.2.4-1: Private communication release response Information element Status Description MCVideo ID M The identity of the MCVideo user requesting the com...
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7.2.3.3 Use of ProSe for off-network private communications
The use of ProSe capabilities for off-network private communications is described in clause 7.18.
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7.2.3.4 Automatic commencement private communication
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7.2.3.4.1 General
A private call request is sent by a MCVideo client directly to another MCVideo client, which checks the request, establishes the MCVideo session without further user interaction and notifies its user that the MCVideo session has been established.
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7.2.3.4.2 Procedure
Figure 7.2.3.4.2-1 describes procedures to establish an off-network automatic commencement private communication between MCVideo user A MCVideo user B. Pre-conditions: 1. MCVideo user A has initiated automatic commencement private communication with MCVideo user B. 2. MCVideo user B has indicated MCVideo client B a...
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7.2.3.5 Manual commencement private communication
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7.2.3.5.1 General
A private call request is sent by a MCVideo client directly to another MCVideo client, which checks the request, establishes the MCVideo session without further user interaction and notifies its user about the incoming MCVideo session request. The MCVideo user may accept, reject or ignore the MCVideo session request.
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7.2.3.5.2 Procedure – Communication accepted
Figure 7.2.3.5.2-1 describes procedures to establish an off-network manual commencement private communication between MCVideo user A MCVideo user B, which is accepted by the MCVideo user B. Pre-conditions: 1. MCVideo user A has initiated manual commencement private communication with MCVideo user B. 2. MCVideo user...
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7.2.3.5.3 Procedure – Communication rejected/ignored
Figure 7.2.3.5.3-1 describes procedures to initiate an off-network manual commencement private communication between MCVideo user A MCVideo user B, which is rejected or ignored by the MCVideo user B. Pre-conditions: 1. MCVideo user A has initiated manual commencement private communication with MCVideo user B. 2. MC...
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7.2.3.6 Private communication release
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7.2.3.6.1 General
Either of the MCVideo users involved in a private communication may release the unidirectional media plane or the whole private communication at any time.
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7.2.3.6.2 Procedure
Figure 7.2.3.6.2-1 describes procedures to release an ongoing MCVideo Private communication (either automatic commencement private communication or manual commencement private communication). Either of the MCVideo users, the initiator or the receiver of the Private communication can request to release the Private com...
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7.3 Video pull
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7.3.1 General
MCVideo pull is enabled in both on-network and off-network mode. For on-network MCVideo pull is supported between MCVideo clients, or between a MCVideo client and a MCVideo server. For off-network MCVideo pull is supported between MCVideo clients only.
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7.3.2 On-network video pull
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7.3.2.1 General
A MCVideo user triggers its MCVideo client to pull a video either from another MCVideo client or from a MCVideo server.
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7.3.2.2 Information flows for on-network video pull
The following information flows for private call specified in subclause 7.2.2.2 is used for on-network video pull: - MCVideo private call request (MCVideo client – MCVideo server) - MCVideo private call request (MCVideo server – MCVideo client) - MCVideo private call response (MCVideo client – MCVideo server) - MCV...
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7.3.2.2.1 MCVideo pull from server request
Table 7.3.2.2.1-1 describes the information flow MCVideo pull from server request from the MCVideo client to the MCVideo server. Table 7.3.2.2.1-1: MCVideo pull from server request Information Element Status Description MCVideo ID M The MCVideo ID of the calling party File URL M URL of the video file to be st...
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7.3.2.2.2 MCVideo pull from server response
Table 7.3.2.2.2-1 describes the information flow MCVideo pull from server response from the MCVideo server to the MCVideo client. Table 7.3.2.2.2-1: MCVideo pull from server response Information Element Status Description MCVideo ID M The MCVideo ID of the calling party SDP answer M Media parameters selected ...
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7.3.2.2.3 MCVideo pull from server complete request
Table 7.3.2.2.3-1 describes the information flow MCVideo pull from server complete request from the MCVideo client to the MCVideo server or from the MCVideo server to the MCVideo client. Table 7.3.2.2.3-1: MCVideo pull from server complete request Information Element Status Description MCVideo ID M The MCVideo I...
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7.3.2.2.4 MCVideo pull from server complete response
Table 7.3.2.2.4-1 describes the information flow MCVideo pull from server complete response from the MCVideo client to the MCVideo server or from the MCVideo server to the MCVideo client. Table 7.3.2.2.4-1: MCVideo pull from server complete response Information Element Status Description MCVideo ID M The MCVideo...
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7.3.2.3 One-to-one video pull
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7.3.2.3.1 General
One-to-one video pull is a private call that only allows the called party to transmit video to the calling party, and the private call ends when the video transmission is completed.
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7.3.2.3.2 One-to-one video pull – call setup
The procedure describes the case where an MCVideo user is initiating an MCVideo private call to pull video from called MCVideo user in an automatic or manual commencement mode. Only the called party is allowed to transmit video. Procedures in figure 7.3.2.3.2-1 are the basic signalling control plane procedures for the...
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7.3.2.3.3 One-to-one video pull – call release
The private call release procedure specified in subclause 7.2.2.3.3 is used for one-to-one video pull call release.
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7.3.2.4 One-from-server video pull
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7.3.2.4.1 General
One-from-server video pull is a private call between the calling party and the MCVideo server that allows the calling party to request streaming of a video from the server where it is stored in a file. The one-from-server video pull ends typically when the end of the video file has been reached or when the transmissio...
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7.3.2.4.2 Procedure
Procedure in figure 7.3.2.4.2-1 is the basic signalling control plane procedures for the MCVideo client initiating establishment of MCVideo video pull from the MCVideo server. Pre-conditions: 1. MCVideo user 1 on MCVideo client 1 has been authenticated and authorized to use MCVideo service. 2. MCVideo client 1 is re...
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7.3.3 Off-network video pull
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7.3.3.1 General
A MCVideo client pulls a video from another MCVideo client directly, i.e. without involving the network. Off-network video pull communications are based on ProSe capabilities as described in clause 7.18.
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7.3.3.2 Information flows for off-network video pull
The following information flows for private call specified in subclause 7.2.3.2 are used for off-network video pull: - Private communication request; and - Private communication answer response.
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7.3.3.3 Video pull to self
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7.3.3.3.1 General
A MCVideo user requests another MCVideo user to deliver a video from its MCVideo client.
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7.3.3.3.2 Procedure
Figure 7.3.3.3.2-1 describes procedures for an off-network MCVideo video pull, inititated by MCVideo user A at MCVideo client A with another MCVideo client B, to pull a video to MCVideo client A. MCVideo client B can be an autonomous MCVideo client or can be a human controlled MCVideo client. In either case, following...
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7.4 Video push
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7.4.1 General
MCVideo push is enabled in both on-network and off-network mode. For on-network MCVideo push is supported between MCVideo clients, or between a MCVideo client and a MCVideo server. For off-network MCVideo push is supported between MCVideo clients only.
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7.4.2 On-network video push
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7.4.2.1 General
A MCVideo user triggers its MCVideo client to push a video to another MCVideo client or a MCVideo server. A MCVideo user triggers its MCVideo client to trigger a remote video push, i.e. a second MCVideo client pushes a video to a third MCVideo client or to a MCVideo group.
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7.4.2.2 Information flows for on-network video push
The following information flows for private call specified in subclause 7.2.2.2 is used for on-network video push: - MCVideo private call request (MCVideo client – MCVideo server) - MCVideo private call request (MCVideo server – MCVideo client) - MCVideo private call response (MCVideo client – MCVideo server) - MCV...
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7.4.2.2.1 Remote video push request
Table 7.4.2.2.1-1 describes the information flow remote video push request from the MCVideo client to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.4.2.2.1-1: Remote video push request Information Element Status Description MCVideo ID M The MCVideo ID of the call originating party...
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7.4.2.2.2 Remote video push response
Table 7.4.2.2.2-1 describes the information flow remote video push request from the MCVideo server to the MCVideo client and from the MCVideo client to the MCVideo server. Table 7.4.2.2.2-1: Remote video push response Information Element Status Description MCVideo ID M The MCVideo ID of the call originating part...
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7.4.2.2.3 Remote video push release request
Table 7.4.2.2.3-1 describes the information flow Remote video push release request from the MCVideo client to the MCVideo server and from the MCVideo server to the MCVideo client. Table 7.4.2.2.3-1: Remote video push release request Information Element Status Description MCVideo ID M The MCVideo ID of the call o...
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7.4.2.2.4 MCVideo push to server request
Table 7.4.2.2.4-1 describes the information flow MCVideo push to server request from the MCVideo client to the MCVideo server. Table 7.4.2.2.4-1: MCVideo push to server request Information Element Status Description MCVideo ID M The MCVideo ID of the calling party Time limit O Requested duration of the stream...
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7.4.2.2.5 MCVideo push to server response
Table 7.4.2.2.5-1 describes the information flow MCVideo push to server response from the MCVideo server to the MCVideo client. Table 7.4.2.2.5-1: MCVideo push to server response Information Element Status Description MCVideo ID M The MCVideo ID of the calling party Time limit O Accepted or imposed duration l...
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7.4.2.2.6 MCVideo push to server complete request
Table 7.4.2.2.6-1 describes the information flow MCVideo push to server complete request from the MCVideo client to the MCVideo server or from the MCVideo server to the MCVideo client. Table 7.4.2.2.6-1: MCVideo push to server complete request Information Element Status Description MCVideo ID M The MCVideo ID of...
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7.4.2.2.7 MCVideo push to server complete response
Table 7.4.2.2.7-1 describes the information flow MCVideo push to server complete response from the MCVideo client to the MCVideo server or from the MCVideo server to the MCVideo client. Table 7.4.2.2.7-1: MCVideo push to server complete response Information Element Status Description MCVideo ID M The MCVideo ID ...
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7.4.2.3 One-to-one video push
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7.4.2.3.1 General
One-to-one video push is a private call that only allows the calling party to transmit video to the called party, and the private call ends when the video transmission is completed.
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7.4.2.3.2 One-to-one video push – call setup
Procedures in figure 7.4.2.3.2-1 are the basic signalling control plane procedures for the MCVideo client initiating establishment of MCVideo private call with the chosen MCVideo user for video push. Pre-conditions: 1. This procedure is initiated either manually by the authorized MCVideo users at MCVideo client 1, o...
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7.4.2.3.3 One-to-one video push – call release
The private call release procedure specified in subclause 7.2.2.3.3 is used for one-to-one video push call release.
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7.4.2.4 One-to-server video push
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7.4.2.4.1 General
One-to-server video push is a private call between the calling party and the MCVideo server that allows the calling party to transmit video to the server for it to be recorded to a file. The one-to-server video push ends when the video transmission is stopped by the calling party or by the MCVideo server. NOTE: This p...
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7.4.2.4.2 Procedure
Procedure in figure 7.4.2.4.2-1 is the basic signalling control plane procedures for the MCVideo client initiating establishment of MCVideo video push to the MCVideo server. Pre-conditions: 1. MCVideo user 1 on MCVideo client 1 has been authenticated and authorized to use MCVideo service. 2. MCVideo client 1 is regi...
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7.4.2.5 Remotely initiated video push
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7.4.2.5.1 General
Remotely initiated video push is a private call remotely initiated by a user that only allows a source user to transmit video to a destination, and the private call ends when the video transmission is completed or released by the authorized user who remotely initiated video push call.