1、 ETSI EN 301 921 V1.1.1 (2004-01)European Standard (Telecommunications series) Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Simple dialog supplementary serviceISO/IEC 21408 (2003), modifiedETSI ETSI EN 301 921 V1.1.1 (2004-01) 2 Reference DEN/ECMA-00201 Keywords endo
2、rsement, PISN, QSIG, stage 3, supplementary service 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 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important no
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6、t and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2004. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently bein
7、g registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI EN 301 921 V1.1.1 (2004-01) 3 Intellectual Property Rights IPRs essential or potentially essential to the present document
8、may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly 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
9、 standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). 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
10、of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (Telecommunications series) has been produced by ECMA on behalf of its members and those of the European Tel
11、ecommunications Standards Institute (ETSI). The present document is one of a series of standards defining services and signalling protocols applicable to Private Integrated Services Networks (PISN). The series uses the Integrated Services Digital Network (ISDN) concepts as developed by ITU-T and con
12、forms to the framework of standards for Open Systems Interconnection (OSI) as defined by ISO/IEC. The present document specifies the signalling protocol for use at the Q reference point in support of the Simple Dialog supplementary service. The protocol defined in the present document forms part of
13、the PSS1 protocol (informally known as QSIG). The present document endorses an International Standard, ISO/IEC 21408. National transposition dates Date of adoption of this EN: 19 December 2003 Date of latest announcement of this EN (doa): 31 March 2004 Date of latest publication of new National Stan
14、dard or endorsement of this EN (dop/e): 30 September 2004 Date of withdrawal of any conflicting National Standard (dow): 30 September 2004 Endorsement notice The elements of International Standard ISO/IEC 21408 (2003) apply, with the following modifications. ETSI ETSI EN 301 921 V1.1.1 (2004-01) 4 C
15、lause 3 Replace the first paragraph by: The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a s
16、pecific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. Insert the following normative references at t
17、he end of clause 3: 12 ETSI EN 300 172: “Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services ISO/IEC 11572 (2000), modified“. 13 ETSI ETS 300 475-1: “Private Telecommunication Network (PTN); Reference configuration; Part 1: Reference configurat
18、ion for PTN eXchanges (PTNXs) ISO/IEC 11579-1 (1994), modified“. 14 ETSI EN 300 239: “Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Generic functional protocol for the support of supplementary services ISO/IEC 11582 (2002), modified“. 15 ETSI EN 301 920: “Private In
19、tegrated Services Network (PISN); Specification, functional model and information flows; Simple Dialog supplementary service ISO/IEC 21407 (2001), modified“. Throughout the text of ISO/IEC 21408 Replace references as shown in the table below. Reference in ISO/IEC 21408 Modified reference ISO/IEC 115
20、72 EN 300 172 12 ISO/IEC 11579-1 ETS 300 475-1 13 ISO/IEC 11582 EN 300 239 14 ISO/IEC 21407 EN 301 920 15 Replace the terms “this International Standard“ by “the present document“. ETSI ETSI EN 301 921 V1.1.1 (2004-01) 5 History Document history V1.1.1 August 2003 One-step Approval Procedure OAP 20031219: 2003-08-20 to 2003-12-19 V1.1.1 January 2004 Publication
