ETSI TS 129 235-2016 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE Interworking between SIP-I based circuit-swit.pdf
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1、 ETSI TS 1Digital cellular telecommUniversal Mobile TelInterworking betweenetwor(3GPP TS 29.2TECHNICAL SPECIFICATION129 235 V13.1.0 (2016mmunications system (Phase elecommunications System (LTE; een SIP-I based circuit-switchk and other networks .235 version 13.1.0 Release 1316-04) e 2+) (GSM); (UMT
2、S); ched core 13) ETSI ETSI TS 129 235 V13.1.0 (2016-04)13GPP TS 29.235 version 13.1.0 Release 13Reference RTS/TSGC-0329235vd10 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742
3、 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and
4、/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version
5、 kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If
6、you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and m
7、icrofilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All righ
8、ts reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and o
9、wned by the GSM Association. ETSI ETSI TS 129 235 V13.1.0 (2016-04)23GPP TS 29.235 version 13.1.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publ
10、icly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI
11、 Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or
12、may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These s
13、hould be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “
14、may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 129 235 V
15、13.1.0 (2016-04)33GPP TS 29.235 version 13.1.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 9g31 Scope 10g32 References 10g33 Definitions and abbreviations . 12g33.1 Definitions 12g33.2 Abbreviations . 13g34 Interworking between a SIP-I based
16、 circuit-switched core network and an external SIP-I based network . 14g34.1 Reference Model 14g34.2 Signalling Interworking of a Call from the external SIP-I based network towards the SIP-I based circuit-switched core network 15g34.2.1 Interworking of SIP-I messages received from external SIP-I net
17、work . 15g34.2.1.1 General 15g34.2.1.2 Call Release from external SIP-I network when encapsulated REL is missing 15g34.2.2 Special Procedures for the reception of initial SIP INVITE requests . 15g34.2.2.1 Receipt of SIP INVITE request . 15g34.2.2.2 Receipt of SIP INVITE requests with SDP . 15g34.2.2
18、.3 Receipt of SIP INVITE request without SDP . 15g34.2.2.4 MGW Selection . 16g34.2.3 Interworking of SIP-I messages received from succeeding 3GPP node . 16g34.2.4 Special Procedures for Profile Interworking . 16g34.2.4.1 Support of 100Rel . 16g34.2.4.2 Support for UPDATE method . 16g34.2.4.3 Support
19、 for Preconditions . 17g34.2.5 Support for Codec Negotiation . 17g34.2.6 Special Procedures for the reception of SIP Re-INVITE requests 17g34.2.6.1 Receipt of SIP Re-INVITE request without SDP 17g34.3 Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the extern
20、al SIP-I based network . 18g34.3.1 Interworking of SIP-I messages received from preceding 3GPP node . 18g34.3.1.1 General 18g34.3.1.2 Call Release from external SIP-I network when encapsulated REL is missing 18g34.3.2 Special Procedures for the reception of SIP INVITE requests . 18g34.3.3 Special Pr
21、ocedures for Profile Interworking . 18g34.3.3.1 Support of 100Rel . 18g34.3.3.2 Support for UPDATE method . 19g34.3.3.3 Support for Preconditions . 19g34.3.4 Support for Codec Negotiation . 20g34.3.5 MGW Selection 20g34.4 DMTF Signalling Interworking applicable for all Calls between an external SIP-
22、I based network and a SIP-I based circuit-switched core network . 21g34.4.1 General 21g34.4.2 DTMF support in SDP offer sent to External SIP-I network 21g34.4.3 DTMF support in SDP offer received from External SIP-I network 22g34.5 User Plane Interworking . 23g34.5.1 General 23g34.5.2 DTMF Interwork
23、ing . 23g34.6 Example Call flows 23g34.6.1 General 23g34.6.2 Incoming Call flows 24g3ETSI ETSI TS 129 235 V13.1.0 (2016-04)43GPP TS 29.235 version 13.1.0 Release 134.6.2.1 Incoming Call - no preconditions in external network 24g34.6.2.2 Incoming Call with preconditions not met 26g34.6.3 Outgoing Cal
24、l flows 28g34.6.3.1 Outgoing Call with support for preconditions . 28g34.6.3.2 Outgoing Call with support of 100rel but no support for preconditions . 30g34.6.3.3 Outgoing Call without support for 100rel and preconditions 32g35 Interworking between a SIP-I based circuit-switched core network and an
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