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TS 24.229 (CT1)
IP Multimedia Call Control protocol based on SIP and SDP – Stage 3

ToC      3GPP‑Page      ETSI‑search      Help       
V15.1.0 (Wzip)    2017/12    999 p.
V14.6.0 (PDF)    2017/12    1033 p.
V13.12.0    2017/12    972 p.
V12.19.0    2017/12    898 p.
V11.26.0    2017/12    830 p.
V10.28.0    2017/09    761 p.
V9.30.0    2017/09    726 p.
V8.36.0    2016/12    656 p.
V7.34.0    2014/09    466 p.
V6.30.0    2014/09    312 p.
V5.26.0    2012/03    262 p.

Rapporteur:  Mr. Leis, Peter
See also:  IMS-related TS/TR    

This TS defines a call control protocol for use in the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP), and the associated Session Description Protocol (SDP).

Where possible the present document specifies the requirements for this protocol by reference to specifications produced by the IETF within the scope of SIP and SDP. Where this is not possible, extensions to SIP and SDP are defined within the present document. The document has therefore been structured in order to allow both forms of specification.

As the IM CN subsystem is designed to interwork with different IP-Connectivity Access Networks (IP-CANs), the IP-CAN independent aspects of the IM CN subsystem are described in the main body and annex A of this specification. Aspects for connecting a UE to the IM CN subsystem through specific types of IP-CANs are documented separately in the annexes or in separate documents.

for V11 to V15:    Update draft ref for Originating-CDIV param in P-Served-User
for V13, V14, V15:    Defining access technology specific procedures for attempting emergency call via WLAN   |   Resource-Share handling in AppServer terminating side   |   Resource Sharing in P-CSCF orig side   |   Reference update: draft-ietf-mmusic-dtls-sdp   |   Cellular-Network-Info IANA registered
for V14, V15:    Removal of editor's note IPv4/IPv6 support   |   Reference Update for the ISUP location parameter   |   Removing Editor's Notes after IANA reg   |   sos-URN restriction for test eCalls   |   Missing update reference to RFC 8119   |   Correcting reference to draft-ietf-sipcore-reason-q850-loc   |   Support of eCall MIME bodies in profile tables   |   Resolve EN "It is FFS if the UE can still use these numbers when connected only to non-3GPP access"   |   IANA registration for "verstat" complete
for V15:    Registration handling when VoPS not supported   |   Conditions for sending 488 response   |   Making "Emergency session set-up in case of no registration" dependent on a network's indication of support for emergency bearer services in limited service state   |   Prohibiting usage of PDN connection for emergency bearer services for non-emergencies   |   Editorials e.g. related to sub-clause headings   |   Clarification on 403 response to REGISTER handling   |   Support for e2e QoS over untrusted WLAN   |   Annex U SIP procedure at the UE   |   Annex U SIP procedure at the S-CSCF   |   Annex U SIP procedure at the P-CSCF   |   Annex U emergency service procedure on UE   |   Reference update: RFC 8262   |   Proposed enhancements to avoid IP fragmentation for non-3GPP access   |   Editorial changes of dialogues to dialogs   |   Clarification on sending updated SDP offer on all SIP dialogs   |   Clarification for authentication during emergency attach   |   Enabling NR CGI reporting in the P-Access-Network-Info header field   |   SSC mode 1 for MMTEL services   |   Transfer P-CSCF address from 5GS

click  here  to see the ToC for advanced Rel-15 Word version


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1   Scope [R5]   PDF-p. 35
2   References [R5]   PDF-p. 36
3   Definitions and abbreviations [R5]   PDF-p. 50
3A   Interoperability with different IP-CAN [R6]   PDF-p. 60
4   General [R5]   PDF-p. 61
4.1   Conformance of IM CN subsystem entities to SIP, SDP and other protocols
4.2   URI and address assignments   PDF-p. 64
4.2A   Transport mechanisms   PDF-p. 66
4.2B   Security mechanisms [R8]      Up
4.3   Routeing principles of IM CN subsystem entities   PDF-p. 71
4.4   Trust domain
4.5   Charging correlation principles for IM CN subsystems
4.6   Support of local service numbers [R7]
4.7   Emergency service [R7]   PDF-p. 81
4.8   Tracing of signalling [R14]   PDF-p. 83
4.9   Overlap signalling [R8]
4.10   Dialog correlation for IM CN subsystems [R9]   PDF-p. 85
4.11   Priority mechanisms [R10]
4.12   Overload control [R11]   PDF-p. 86
4.13   II-NNI traversal scenario [R12]   PDF-p. 87
4.14   Restoration procedures [R12]
4.15   Resource sharing [R13]   PDF-p. 89
4.16   Priority sharing [R13]
4.17   3GPP PS data off [R14]

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