Content for TS 24.147 Word version: 18.0.0
5 Protocol using SIP and SIP events for conferencing
5.1 Introduction
5.2 Functional entities
5.3 Role
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5 Protocol using SIP and SIP events for conferencing p. 12
5.1 Introduction p. 12
5.2 Functional entities p. 12
5.2.1 User Equipment (UE) p. 12
5.2.2 Media Resource Function Controller (MRFC) p. 12
5.2.3 Conferencing Application Server (AS) p. 12
5.2.4 Media Gateway Control Function (MGCF) p. 12
5.3 Role p. 12
5.3.1 Conference Participant p. 12
5.3.1.1 General p. 12
5.3.1.2 Subscription for conference event package p. 12
5.3.1.3 Conference creation p. 13
5.3.1.3.1 General p. 13
5.3.1.3.2 Conference creation with a conference factory URI p. 13
5.3.1.3.3 Three-way session creation p. 13
5.3.1.4 Joining a conference p. 14
5.3.1.4.1 User joining a conference by using a conference URI p. 14
5.3.1.4.2 User joining a conference after receipt of a REFER request p. 14
5.3.1.5 Inviting other users to a conference p. 14
5.3.1.5.1 General p. 14
5.3.1.5.2 User invites other user to a conference by sending a REFER request to the other user p. 15
5.3.1.5.3 User invites other user to a conference by sending a REFER request to the conference focus p. 15
5.3.1.5.4 User invites other users to a conference by including URI list in initial INVITE request to the conference focus |R7| p. 15
5.3.1.6 Leaving a conference p. 16
5.3.1.6.1 Conference participant leaving a conference p. 16
5.3.1.6.2 Conference focus removes conference participant from a conference p. 16
5.3.1.6.3 Removing a conference participant from a conference p. 16
5.3.1.7 Consent to list server distribution |R8| p. 17
5.3.2 Conference Focus p. 17
5.3.2.1 General p. 17
5.3.2.2 Generic procedures for all conference related methods at the conference focus p. 17
5.3.2.3 Conference creation p. 18
5.3.2.3.1 Conference creation with a conference factory URI p. 18
5.3.2.3.2 Conference creation with a conference URI p. 18
5.3.2.4 User joining a conference p. 19
5.3.2.5 Invitation of users to a conference p. 19
5.3.2.5.1 General p. 19
5.3.2.5.2 Request from a user to invite another user to a conference using a REFER request p. 19
5.3.2.5.3 Request from a user to invite another user to a conference using an INVITE request for conference creation p. 20
5.3.2.5.4 Inviting a user to a conference by sending an INVITE request p. 20
5.3.2.5.5 Inviting a user to a conference by sending a REFER request |R7| p. 21
5.3.2.6 Leaving a conference p. 21
5.3.2.6.1 Conference participant leaving a conference p. 21
5.3.2.6.2 Removing a conference participant from a conference p. 21
5.3.2.7 Conference termination p. 22
5.3.3 Conference Notification Service p. 23
