ITU-T Q 715-2002 Signalling connection control part user guide (Study Group 11)《信令连接控制部分用户指南-系列Q 交换和信令-NO 7信令系统的准则-信令连接控制部分(第11研究组)》.pdf
《ITU-T Q 715-2002 Signalling connection control part user guide (Study Group 11)《信令连接控制部分用户指南-系列Q 交换和信令-NO 7信令系统的准则-信令连接控制部分(第11研究组)》.pdf》由会员分享,可在线阅读,更多相关《ITU-T Q 715-2002 Signalling connection control part user guide (Study Group 11)《信令连接控制部分用户指南-系列Q 交换和信令-NO 7信令系统的准则-信令连接控制部分(第11研究组)》.pdf(62页珍藏版)》请在麦多课文档分享上搜索。
1、 INTERNATIONAL TELECOMMUNICATION UNION ITU-T Q.715TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (04/2002) SERIES Q: SWITCHING AND SIGNALLING Specifications of Signalling System No. 7 Signalling connection control part (SCCP) Signalling connection control part user guide ITU-T Recommendation Q.715
2、ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE Q.1Q.3 INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING Q.4Q.59 FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN Q.60Q.99 CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS Q.100Q.119 SPECIFICA
3、TIONS OF SIGNALLING SYSTEM No. 4 Q.120Q.139 SPECIFICATIONS OF SIGNALLING SYSTEM No. 5 Q.140Q.199 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 Q.250Q.309 SPECIFICATIONS OF SIGNALLING SYSTEM R1 Q.310Q.399 SPECIFICATIONS OF SIGNALLING SYSTEM R2 Q.400Q.499 DIGITAL EXCHANGES Q.500Q.599 INTERWORKING OF SIGNA
4、LLING SYSTEMS Q.600Q.699 SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 Q.700Q.799 General Q.700 Message transfer part (MTP) Q.701Q.709 Signalling connection control part (SCCP) Q.711Q.719 Telephone user part (TUP) Q.720Q.729 ISDN supplementary services Q.730Q.739 Data user part Q.740Q.749 Signalling Sys
5、tem No. 7 management Q.750Q.759 ISDN user part Q.760Q.769 Transaction capabilities application part Q.770Q.779 Test specification Q.780Q.799 Q3 INTERFACE Q.800Q.849 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 Q.850Q.999 PUBLIC LAND MOBILE NETWORK Q.1000Q.1099 INTERWORKING WITH SATELLITE MOBILE SYSTEM
6、S Q.1100Q.1199 INTELLIGENT NETWORK Q.1200Q.1699 SIGNALLING REQUIREMENTS AND PROTOCOLS FOR IMT-2000 Q.1700Q.1799 SPECIFICATIONS OF SIGNALLING RELATED TO BEARER INDEPENDENT CALL CONTROL (BICC) Q.1900Q.1999 BROADBAND ISDN Q.2000Q.2999 For further details, please refer to the list of ITU-T Recommendatio
7、ns. ITU-T Rec. Q.715 (04/2002) i ITU-T Recommendation Q.715 Signalling connection control part user guide Summary This Recommendation gives guidance to Administrations, specifiers of SCCP applications and implementors on a number of specific issues related to the incorporation of SCCP in actual netw
8、orks. These guidelines aim to provide a common understanding and hence to enhance the interoperability between networks and implementations. The aim is to give guidance only, it is not intended to extend, change, nor restrict the normative clauses in ITU-T Recs. Q.711 to Q.714. The following topics
9、are covered in this Recommendation: Compatibility issues: This Recommendation identifies changes between the different revisions of the SCCP Recommendations and discusses the effect on the interaction between implementations according to the different revisions. Where incompatibilities are unavoidab
10、le, engineering measures and evolution strategies are considered. Addressing issues: The meaning of the different addressing parameters and options is explained. A procedure is provided so that an application specifier can derive the needs and requirements on the addressing in the underlying SCCP la
11、yer. Networking issues: The possibilities of SCCP routing and management are explored to create particular network structures. Also networking issues pertaining to connectionless or connection oriented services are discussed. Architecture and interworking issues related to broadband SCCP enhancement
12、s are also covered. Source ITU-T Recommendation Q.715 was revised by ITU-T Study Group 11 (2001-2004) and approved under the WTSA Resolution 1 procedure on 13 April 2002. Keywords Addressing, congestion, routing, SCCP, Signalling System No. 7, user guide. ii ITU-T Rec. Q.715 (04/2002) FOREWORD The I
13、nternational Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recomm
14、endations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The a
15、pproval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administ
16、ration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property
17、 Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of int
18、ellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. ITU 2002 All rights reserved. No part of this
19、publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. ITU-T Rec. Q.715 (04/2002) iii CONTENTS Page 1 Scope 1 2 References. 1 3 Definitions 2 3.1 Terms defined by this Recommendation 2 3.2 Terms defined in other Recommendations. 3 4 Abbreviations 4 5 Con
20、ventions 5 6 Compatibility issues . 5 6.1 Overview of differences between editions . 5 6.1.1 Differences between Red Book and Blue Book 5 6.1.2 Differences between Blue Book and the 1993 edition 7 6.1.3 Differences between the 1993 edition and 1996 edition 8 6.1.4 Differences between the 1996 editio
21、n and 2001 edition 10 6.2 Interworking problems . 11 6.2.1 Red Book to Blue Book interworking . 11 6.2.2 Blue Book to 1993 edition interworking. 14 6.2.3 1993 edition to 1996 edition interworking . 16 6.2.4 1996 edition to 2001 edition interworking . 21 6.3 Compatibility test and message change proc
22、edures . 21 7 Use of addressing parameters . 22 7.1 Description of addressing parameters in primitives . 22 7.1.1 Subsystem numbers (3.4.2.2/Q.713) 23 7.1.2 The global title 24 7.1.3 Use of non-standardized TT and SSN in the international network. 28 7.2 Procedure to derive SCCP-addressing requireme
23、nts 29 7.3 Global title conversion operations 30 7.4 The generic numbering plan. 31 7.4.1 Example 32 7.4.2 Considerations for introduction of the generic numbering plan. 33 7.5 Considerations for the SCCP users on the inputs for global title. 33 8 SCCP networking aspects. 33 8.1 Network structures i
24、n view of SCCP management capabilities. 33 8.1.1 Configurations of subsystems. 34 8.1.2 Unambiguousaddresses 37 8.1.3 Load distribution 38 iv ITU-T Rec. Q.715 (04/2002) Page 8.1.4 Configurations of relay/gateway nodes 40 8.2 Application of connection-oriented services 40 8.2.1 Coupling of connection
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