3GPP TS 24.229 V10.6.1 (2012-01)Technical Specification

3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;

IP multimedia call control protocol based onSession Initiation Protocol (SIP)

and Session Description Protocol (SDP);Stage 3

(Release 10)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices.

3GPP

3GPP TS 24.229 V10.6.1 (2012-01)2Release 10

Keywords UMTS, Network, IP, SIP, SDP, multimedia, LTE

3GPP

Postal address

3GPP support office address 650 Route des Lucioles - Sophia Antipolis

Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16

Internet http://www.3gpp.org

Copyright Notification

No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.

2012, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC).

All rights reserved. UMTS is a Trade Mark of ETSI registered for the benefit of its members 3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners GSM and the GSM logo are registered and owned by the GSM Association

3GPP

3GPP TS 24.229 V10.6.1 (2012-01)3Release 10

Contents Foreword........................................................................................................................................................... 25 1 Scope ...................................................................................................................................................... 26 2 References .............................................................................................................................................. 26 3 Definitions and abbreviations ................................................................................................................. 37 3.1 Definitions ....................................................................................................................................................... 37 3.2 Abbreviations ................................................................................................................................................... 43 3A Interoperability with different IP-CAN .................................................................................................. 45 4 General ................................................................................................................................................... 46 4.1 Conformance of IM CN subsystem entities to SIP, SDP and other protocols ................................................. 46 4.2 URI and address assignments .......................................................................................................................... 49 4.2A Transport mechanisms ..................................................................................................................................... 50 4.2B Security mechanisms ....................................................................................................................................... 51 4.2B.1 Signalling security ...................................................................................................................................... 51 4.2B.2 Media security ............................................................................................................................................ 52 4.3 Routeing principles of IM CN subsystem entities ........................................................................................... 53 4.4 Trust domain .................................................................................................................................................... 53 4.4.1 General ....................................................................................................................................................... 53 4.4.2 P-Asserted-Identity .................................................................................................................................... 54 4.4.3 P-Access-Network-Info .............................................................................................................................. 54 4.4.4 History-Info ................................................................................................................................................ 54 4.4.5 P-Asserted-Service ..................................................................................................................................... 54 4.4.6 Resource-Priority ....................................................................................................................................... 54 4.4.7 Reason (in a response)................................................................................................................................ 55 4.4.8 P-Profile-Key ............................................................................................................................................. 55 4.4.9 P-Served-User ............................................................................................................................................ 55 4.4.10 P-Private-Network-Indication .................................................................................................................... 55 4.4.11 P-Early-Media ............................................................................................................................................ 55 4.4.12 CPC and OLI .............................................................................................................................................. 55 4.5 Charging correlation principles for IM CN subsystems................................................................................... 56 4.5.1 Overview .................................................................................................................................................... 56 4.5.2 IM CN subsystem charging identifier (ICID) ............................................................................................ 56 4.5.3 Access network charging information ........................................................................................................ 57 4.5.3.1 General ................................................................................................................................................. 57 4.5.3.2 Access network charging information .................................................................................................. 57 4.5.4 Inter operator identifier (IOI) ..................................................................................................................... 57 4.5.5 Charging function addresses ...................................................................................................................... 58 4.6 Support of local service numbers ..................................................................................................................... 58 4.7 Emergency service ........................................................................................................................................... 58 4.7.1 Introduction ................................................................................................................................................ 58 4.7.2 Emergency calls generated by a UE ........................................................................................................... 58 4.7.3 Emergency calls generated by an AS ......................................................................................................... 59 4.7.4 Emergency calls received from an enterprise network ............................................................................... 59 4.7.5 Location in emergency calls ....................................................................................................................... 59 4.8 Tracing of signalling ........................................................................................................................................ 60 4.8.1 General ....................................................................................................................................................... 60 4.8.2 Trace depth ................................................................................................................................................. 60 4.9 Overlap signalling ............................................................................................................................................ 60 4.9.1 General ....................................................................................................................................................... 60 4.9.2 Overlap signalling methods ........................................................................................................................ 60 4.9.2.1 In-dialog method ............................................................................................................................