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TS 23.218
IP Multimedia (IM) Session Handling –
IM Call Model

3GPP‑Page   ETSI‑search   eToC↓   LoFT↓   CONTENT →
V19.0.0 (PDF)  2025/09  76 p.
V18.0.0  2024/03  76 p.
V17.0.0  2022/03  76 p.
V16.0.0  2020/06  76 p.
V15.0.0  2018/06  74 p.
V14.0.0  2017/03  76 p.
V13.0.0  2015/03  74 p.
V12.3.0  2013/09  75 p.
V11.6.0  2013/06  75 p.
V10.0.0  2011/03  68 p.
V9.2.0  2010/06  68 p.
V8.6.0  2010/03  68 p.
V7.10.0  2009/12  62 p.
V6.4.0  2006/06  59 p.
V5.9.0  2006/06  59 p.
Rapporteur:
Mr. Leis, Peter
Nokia Networks

essential Table of Contents for  TS 23.218  Word version:  18.0.0

each title, in the "available" or "not available yet" area, links to the equivalent title in the CONTENT
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List of Figures and Tables

Figure 5.1.1Functional architecture for support of service provision for IP multimedia subsystem
Figure 5.1.2Functional architecture for support of media resources for IP multimedia subsystem
Figure 5.1.2AISC gateway function
Figure 5.2.1Application triggering architecture
Figure 6.1.1.1S-CSCF functional model with incoming leg control and outgoing leg control
Figure 6.1.2.1Transit Function functional model with incoming leg control and outgoing leg control
Figure 6.3.1S-CSCF handling registration
Figure 6.6.1.1S-CSCF proxying release request
Figure 6.6.2.1S-CSCF initiating release request
Figure 6.7.1Application Server - S-CSCF subscribe notify dialog
Figure 8.1.1.1Relationship of MRFC and MRFP with S-CSCF, and Application Servers
Figure 9.1.1Application Server functional model
Figure 9.1.1.1.1Application Server acting as terminating UA, or redirect server
Figure 9.1.1.2.1Application Server acting as originating UA
Figure 9.1.1.3.1Application Server acting as a SIP proxy
Figure 9.1.1.4.1Application Server performing third party call control acting as a routeing B2BUA
Figure 9.1.1.4.2Application Server performing third party call control acting as an initiating B2BUA
Figure 9.1.1.5.1A SIP leg is passed through the S-CSCF without Application Server involvement
Figure 9.4.4.1.1Release request terminated at the Application Server
Figure 9.4.4.2.1Release request proxied by the Application Server
Figure 9.4.4.3.1Release request initiated by the Application Server
Figure 13.1.1Query Mode
Figure 13.2.1In-Line Mode
Figure A.1Example hierarchical architecture for Application Servers
Figure A.2Use of a hierarchy in a practical architecture for Application Servers
Figure B.1.1.1Network configuration for the call forwarding examples
Figure B.1.3.1CFonCLI information flows with UE re-direct
Figure B.1.4.1CFonCLI information flow with S-CSCF redirect
Figure B.2.1.1Tones and announcements call flow
Figure B.2.2.1Ad hoc conference call flow
Figure B.2.3.1Transcoding call flow (called party indicates codec)
Figure B.2.3.2Transcoding call flow (called party codec negotiated)
Figure B.3.1.1Voicemail server records messages
Figure B.3.2.1Upon registration voicemail server replays messages
Figure C.1Initial Filter Criteria Triggering Example

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