1、INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Q.730 SERIES Q: SWITCHING AND SIGNALLING Specifications of Signalling System No. 7 - ISDN supplementary services (I 2/99) ISDN user part supplementary services TU-T Recommendation Q.730 (Previously CCITT Reco
2、mmendation) I TU -T Q-S E R I ES RE COMMEND AT I ON S SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS SPECIFICATIONS OF SIG
3、NALLING SYSTEMS No. 4 AND No. 5 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 SPECIFICATIONS OF SIGNALLING SYSTEM R1 SPECIFICATIONS OF SIGNALLING SYSTEM R2 DIGITAL EXCHANGES INTERWORKING OF SIGNALLING SYSTEMS SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 General Message transfer part (MTP) Signalling connec
4、tion control part (SCCP) Telephone user part (TUP) ISDN supplementary services Data user part Signalling System No. 7 management ISDN user part Transaction capabilities application part Test specification Q3 interface DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 PUBLIC LAND MOBILE NETWORK INTERWORKING
5、 WITH SATELLITE MOBILE SYSTEMS INTELLIGENT NETWORK SIGNALLING REQUIREMENTS AND PROTOCOLS FOR IMT-2000 BROADBAND ISDN Q.1-Q.3 Q .4-Q.59 Q. 60-Q .99 Q.100-Q.119 Q.120-Q.249 Q. 250-Q. 309 Q.310-Q.399 Q.400-Q.499 Q. 500-Q. 599 Q.600-Q.699 Q. 700-Q .849 Q.700 Q.701-Q.709 Q.711-Q.719 Q.720-Q.729 4.73-Q.73
6、9 Q. 740-Q. 749 Q. 750-Q. 759 Q.760-Q.769 Q.770-Q.779 Q.780-Q.799 Q.800-Q .849 Q .850-Q.999 Q.1000-Q.l O99 Q.1100-Q.1199 Q.1200-Q.1699 Q. 1700-Q. 1799 Q.2000-Q.2999 For further details, please refer to ITU-T List of Recommendaiions. STD-ITU-T RECMN Q.730-ENGL H 48b259L Ob70093 bb5 ITU-T RECOMMENDATI
7、ON Q.730 ISDN USER PART SUPPLEMENTARY SERVICES Summary This Recommendation provides general information for ISDN supplementary services. It describes generic procedures, network specific facilities and end-to-end signalling methods. It also contains the generic format for the supplementary service d
8、escriptions contained in Recommendations Q.73 1 to 4.737, to be used in conjunction with the ISDN user part (ISUP) defined in Recommendations 4.761 to 4.764 and Recommendation Q.767 “Application of the ISDN user part of CCITT signalling system No. 7 for international ISDN connections“. A listing of
9、the currently defined supplementary services is included as well. Source ITU-T Recommendation 4.730 was revised by ITU-T Study Group 11 (1997-2000) and was approved under the WTSC Resolution No. 1 procedure on 3 December 1999. Recommendation Q.730 (12/99) i STD-ITU-T RECMN Q.730-ENGL 1999 m 48b2591
10、Ob70094 5Tb FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the ITU. The ITU-T is responsible for studying technical, operating and tarif
11、f questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce
12、Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. In some areas of information technology which fail within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS
13、0 and IEC. NOTE In this Recommenation, the expresion “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Rec
14、ommendation may involve the use of a claimed Intellectual Property Right. The 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
15、of approval of this Recommendation, the ITU had received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, impiementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult t
16、he TSB patent database. O ITU 2000 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. 11 Recommendation 4.730 (12/99) 1 5 6 7 7.1 8 8.1
17、 8.2 8.3 8.4 8.5 8.6 8.7 8.8 9 9.1 CONTENTS Page Scope . References. Terms and definitions . Abbreviations . General Exceeding the maximum message length . Network specific facilities (national use) . Sending unsolicited information (national use) Generic procedures . Service activation 8.1.1 Genera
18、l description 8.1.3 Error procedures 8.1.2 Service activation procedure General digit transfer (national use) Remote operations service element (ROSE) capability (national use) . 8.3.1 General description Remote operations procedure in ISDN user part . 8.3.3 Error performance Generic notification pr
19、ocedure . 8.3.2 Generic number transfer . Pivot routing . 8.6.1 Normal procedures . 8.6.2 Exceptional procedures 8.6.3 Interworking considerations Redirection (national use) . 8.7.1 Normal procedures . 8.7.2 Exceptional procedures 8.7.3 Interworking considerations Relay methods for non-circuit relat
20、ed signalling Overview of relay functions 8.6.4 Pivot routing timers . 8.7.4 Redirection timers 8.8.1 Scope . 8.8.2 End-to-end signalling Introduction . Recommendation 4.730 (12199) 1 1 2 2 3 3 4 4 4 4 4 5 5 5 5 5 6 6 7 8 8 8 14 15 16 16 17 20 20 22 22 22 22 22 22 . 111 - STDmITU-T RECMN Q.730-ENGL
21、1999 48b259L Ob7009b 374 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 10 11 12 13 Pass-along method (national use) . SCCP method 9.3.1 Call reference (national use) 9.3.2 Coupling of connection sections 9.3.3 Connectionless service (national use) 9.3.4 Connection-oriented service Chaining of ISDN user part end-t
22、o-end signalling connections . Operation of the pass-along method (national use) Operation of the SCCP method - Connectionless services (national use) . 9.7.1 Successful set-up of the ISDN user part end-to-end signalling connection . 9.7.2 Unsuccessful set-up of a signalling connection . 9.7.3 Abnor
23、mal situations . 9.7.4 Release of a signalling connection 9.7.5 End-to-end message transfer Successful set-up of the ISDN user part end-to-end signalling connection . Unsuccessful set-up of the SCCP end-to-end connection . Unsuccessful set-up of the physical connection Release of the ISDN User Part
24、(ISUP) end-to-end signalling connection . 9.8.5 End-to-end message transfer Layout of service Recommendations Use of the Protocol Control Indicator (PCI) . Operation of the SCCP method - Connection-oriented service . 9.8.1 9.8.2 9.8.3 9.8.4 Interface elements between ISDN user part and SCCP (embedde
25、d transfer) . List of supplementary services Association of supplementary services to bearer services and teleservices Definition of supplementary services . Appendix I . Contents of the interface elements between the ISDN user part and the I . 1 1.2 1.3 Contents ofthe REPLY SCCP . Contents of the R
26、EQUEST type 1 Contents of the REQUEST type 2 Page 23 23 23 24 24 24 25 25 25 25 25 28 28 29 30 30 31 32 34 34 36 36 36 38 39 39 40 40 40 40 iv Recommendation 4.730 (12199) - STD-ITU-T RECMN Q.730-ENGL 1999 9 48b2591 Ob70097 200 Recommendation Q.730 ISDN USER PART SUPPLEMENTARY SERVICES (revised in 1
27、999) 1 Scope This Recommendation provides general information for ISDN supplementary services. It describes generic procedures, network specific facilities and end-to-end signalling methods. It also contains the generic format for the supplementary service descriptions contained in Recommendations 4
28、.73 1 to 4.737, to be used in conjunction with the ISDN user part (ISUP) defined in Recommendations 4.761 to 4.764 and Recommendation 4.767 “Application of the ISDN user part of CCITT signalling system No. 7 for international ISDN connections“. A listing of the currently defined supplementary servic
29、es is included as well. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other reference
30、s are subject to revision; all users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. 11 ITU-T Recom
31、mendation 1.1 12 (1993), Vocabulary oftermsfor ISDNs. 2 CCITT Recommendation I. 130 (1988), Method for the characterization of telecommunication services supported by an ISDN and network capabilities of an ISDN. 3 ITU-T Recommendation I. 120 ( 1993), Integrated services digital networks (SDNs). 4 CC
32、ITT Recommendation 1.250 (1 988), Definition of supplementary services. 51 ITU-T Recommendation 4.76 1 (1 999), Signalling system No. 7 - ISDN user partfunctional description. functions of messages and signals. ITU-T Recommendation 4.763 (1999), Signalling system No. 7 - ISDN user part formats and c
33、odes. ITU-T Recommendation 4.764 (1 999), Signalling system No. 7 - ISDN user part signalling procedures. CCITT Recommendation 4.767 (1991), Application of the ISDN user part of CCITT signalling system No. 7 for international ISDN interconnections. ITU-T Recommendation 4.932 (1 998), Digital subscri
34、ber signalling system No. I - Generic procedures for the control of ISDN supplementary services. CCITT Recommendation X.2 19 (1 988), Remote operations: Model, notation and service definition. ISO/IEC 9072- 1 : 1989, Information processing systems - Te,xt communication - Remote operations - Part I:
35、Model, notation and service definition. I 6 ITU-T Recommendation 4.762 (1999), Signalling system No. 7 - ISDN user part general 7 8 191 1 O 1 11 Recommendation Q.730 (12/99) 1 i31 1143 CCITT Recommendation X.229 (1 988), Remote operations: Protocol specification. ISO/IEC 9072-2: 1989, Information pr
36、ocessing systems - Text communication - Remote operations - Part 2: Protocol specification. ITU-T Recommendation 4.77 1 (1 997), Functional description of transaction capabilities. ITU-T Recommendation 4.772 (1997), Transaction capabilities information element definitions. ITU-T Recommendation 4.773
37、 ( 1997), Transaction capabilitiesformats and encoding. ITU-T Recommendation 4.774 ( 1997), Transaction capabilities procedures. ITU-T Recommendation 4.775 (1 997), Guidelinesfor using transaction capabilities. ITU-T Recommendation 4.7 1 1 (1 996), Functional description of the signalling connection
38、 control part. ITU-T Recommendation 4.7 12 (1 996), Definition and function of signalling connection control part messages. ITU-T Recommendation 4.7 13 (1996), Signalling connection control part formats and codes. ITU-T Recommendation Q.7 14 (1 996), Signalling connection control part procedures. IT
39、U-T Recommendation 4.7 15 (1 996), Signalling connection control part user guide. ITU-T Recommendation 4.7 16 (1 993), Signalling connection control part (SCCP) performance. 3 Terms and definitions ISUP92: 1993 publication of ISUP Recommendations. The definition of supplementary services can be foun
40、d in clause 4h.250. 4 Abbreviations This Recommendation uses the following abbreviations. ACM Address Complete Message ANM ANswer message AP Application Process ASE Application Service Element ccx Connection Confirm message x CIC Circuit Identification Code CON CONnect message CPG Call Progress mess
41、age CREF Connection Refused message CRx Connection Request message FAC Facility message fbm first backward message 2 Recommendation Q.730 (12/99) STDaITU-T RECMN Qm730-ENGL 1999 48b2591i Ob70099 083 IAM INF INR ISDN ISUP LE “I PAMA PAMNA PCI PSTN REL RLC RLSD ROSE SCCP TC UDT UNI Initial Address Mes
42、sage INFormation message INformation Request message Integrated Services Digital Network ISDN User Part Local Exchange Network-Network Interface Pass Along Method Available Pass Along Method Not Available Protocol Control Indicator Public Switched Telephone Network RELease message ReLease Complete m
43、essage Released message Remote Operations Service Element Signalling Connection Control Part Transaction Capabilities Unit data message User-Network Interface See clause 11 for the abbreviations which identify the individual supplementary services. 5 General This Recommendation describes the format
44、for supplementary services contained in Recommendations 4.73 1 to 4.737, and is to be used in conjunction with the ISDN User Part (ISUP) defined in Recommendations 4.76 1 to 4.764, and Recommendation 4.767 “Application of the ISDN user part of CCITT signalling system No. 7 for international ISDN int
45、erconnections“. Each type of supplementary service will be defined in separate clauses of its respective Recommendation, each containing the complete procedures encompassing both the ISDN user part and the procedures to be used on the top of Transaction Capability (TC) where appropriate. Each clause
46、 contains a general paragraph giving details of the specific service with reference to the stage 1,2 and 3 descriptions defined in the Recommendations of the I.250-series, the Q.80-series and the 4.950-series. The call set-up procedures and the actions taken at the concerned exchanges are defined. A
47、rrow diagrams showing the message flows for both successful and unsuccessful establishment of the service are generally included. The formats and coding aspects are not defined in this Recommendation but references are made out to the appropriate ISDN user part, TC or Signalling Connection Control P
48、art (SCCP) Recommendations. 6 If for any reason the combination of basic plus supplementary service information causes the overall maximum length (e.g. ISDN user part 272 octets) of the message (e.g. initial address message) to be exceeded, then the procedures for simple segmentation given in 2.1.12
49、/Q.764 shall be applied. If Exceeding the maximum message length Recommendation Q.730 (12/99) 3 STDOITU-T RECMN Q.730-ENGL 1999 = 48b2591 Ob70100 b25 = these procedures fail to reduce the message length below the required maximum, then the procedures of 2.15/Q.764 (over-length messages) shall be applied. 7 Service-related information may be transferred in the network-specific facilities parameter in both directions between the local exchange and the identified network which controls the service. Information to be included in this parameter sp
