ITU-T Q 699-1997 Interworking between ISDN Access and Non-ISDN Access Over ISDN User Part of Signalling System No 7 - Series Q Switching and Signalling - Interworking of Signallingrib.pdf

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1、 STD-ITU-T RECMN Q-b99-ENGL 1997 II 48b2591 h4b1195 00 INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STAN DAR D IZATI ON S E CTO R OF ITU Q.699 (09197) SERIES Q: SWITCHING AND SIGNALLING Interworking of Signalling Systems - Interworking between Digital Subscriber Signalling System No

2、. I and Signalling System No. 7 Interworking between ISDN access and non-ISDN access over ISDN User Part of Signalling System No. 7 ITU-T Recommendation Q.699 (Previously CCITT Recommendation) ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE INTE

3、RNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4 AND No. 5 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 SPECIFICATIONS OF SIGNALLING SYSTEM RI SPECIFICATIONS OF SIGNALLING SYSTEM R2 DIGITAL EXCHANGES INTER

4、WORKING OF SIGNALLING SYSTEMS CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS General considerations Logic procedures Interworking of Signalling Systems No. 7 and No. 6 Q.1-Q.3 Q.4-Q. 59 Q.60-Q. 99 Q. 1 OO-Q. 1 1 9 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.600-Q.6

5、09 Q.610-Q.697 Q.698 - - - Interworking between Digital Subscriber Signalling System No. 1 and Signalling System No. 7 Q.699 SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 PUBLIC LAND MOBILE NETWORK INTERWORKING WITH SATELLITE MOBILE SYSTEMS INTELLIGENT NETWORK

6、BROADBAND ISDN Q. 700-Q. 849 Q.850-Q.999 Q. 1 000-Q. I O99 Q.1 I OO-Q.1 I99 Q.1200-Q.1999 Q .2 000-Q . 2999 For further details, please refer to ITU-T List of Recommendations. ITU-T RECOMMENDATION Q.699 INTERWORKING BETWEEN ISDN ACCESS AND NON-ISDN ACCESS OVER ISDN USER PART OF SIGNALLING SYSTEM No.

7、 7 Summary This Recommendation defines the interworking between different types of access (ISDN and non-ISDN) and the ISDN User Part functions and protocol of Signalling System No. 7. Source ITU-T Recommendation Q.699 was revised by ITU-T Study Group 11 (1997-2000) and was approved under the WTSC Re

8、solution No. 1 procedure on the 12th September 1997. 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 fo

9、r studying technical, operating and tariff 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 St

10、udy Groups which, in their turn, produce 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 fall within ITU-Ts purview, the necessary standards are

11、prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation, the expression “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

12、 the practice or implementation of this Recommendation 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 Recommen

13、dation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that this may not represent the latest informatio

14、n and are therefore strongly urged to consult the TSB patent database. O ITU 1998 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. Re

15、commendation Q.699 (09/97) 11 - STD-ITU-T RECMN Q.b99-ENGL 1997 W ib259L Ob4b1179 45b 1 1.1 1.2 1.3 1.4 2 2.1 2.2 3 3.1 3.2 CONTENTS General . Scope Methodology . Symbols and abbreviations . Outgoing call References Interworking from DSS 1 to ISUP . 2.1.1 Basic call . 2.1.2 Supplementary Services In

16、terworking from non-ISDN access to ISUP 2.2.1 Basic call . 2.2.2 Supplementary services . Incoming call Interworking from ISUP to DSS 1 . 3.1.1 Basic call . 3.1.2 Supplementary Services Intenvorking from ISUP to non-ISDN access 3.2.1 Basic call . 3.2.2 Supplementary services . Annex A . Intenvorking

17、 scenarios between subscriber access types intenvorking over SS 7 A . 1 A.2 A . 3 A.3.2 I SUP . General . A.l.l Scope . A . 1.2 Methodology . A . 1.3 Symbols and abbreviations Interworking of ISDN accesses over ISUP A.2.1 Successful call Set-up procedures/call flow diagrams for basic call control .

18、A.2.2 Unsuccessful call Set-up procedures/call flow diagrams for basic call control A.2.3 A.2.4 Simple segmentation procedures/call flow diagrams for basic call control Intenvorking of ISDN access and non-ISDN access over ISUP A.3.1 Release procedures/call flow diagrams for basic call control . Succ

19、essful call Set-up procedures/call flow diagrams . Unsuccessful call Set-up procedures/call flow diagrams A.3.3 Release procedures/call flow diagrams . Recommendation 4.699 (09/97) Page 1 1 1 3 4 5 5 5 23 58 58 61 61 61 61 76 104 104 106 106 106 106 106 106 107 108 116 123 124 125 126 128 130 . 111

20、Page A.3.4 Simple segmentation procedures . 132 A.4 Intenvorking of non-ISDN access over ISUP 132 A.4.1 Successful call Set-up procedures/call flow diagrams . 133 A.4.2 Unsuccessful call Set-up procedures/call flow diagrams . 134 A.4.3 Release procedures/call flow diagrams . 136 A.4.4 Suspendhesume

21、proceduresicall flow diagrams . 137 iv Recommendation Q.699 (09/97) Recommendation Q.699 INTERWORKING BETWEEN ISDN ACCESS AND NON-ISDN ACCESS OVER ISDN USER PART OF SIGNALLING SYSTEM No. 7 (revised in 1997) 1 General 1.1 Scope This Recommendation describes the intenvorking between different types of

22、 access (ISDN and non- ISDN) and the ISDN User Part functions and protocol of Signalling System No. 7 i, 2, 3, 4. The non-ISDN access defined in this Recommendation means the analogue line access except the PABX access. The intenvorking between the above signalling protocols occurs in an exchange wi

23、th ISDN local exchange functionality and is specified in the context of a typical call in a pure ISDN or mixed ISDNhon-ISDN environment. 1.2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Rec

24、ommendation. At the time of publication the editions indicated were valid. All Recommendations and other references 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 r

25、eferences listed below. A list of the currently valid ITU-T Recommendations is regularly published. ITU-T Recommendation Q.761 (1993), Functional description of the ISDN User Part of Signalling System No. 7. ITU-T Recommendation Q.762 (1993), General function of messages and signals of the ISDN User

26、 Part of Signalling System No. 7. ITU-T Recommendation Q.763 (1993), Formats and codes of the ISDN User Part of Signalling System No. 7. ITU-T Recommendation 4.764 (1 993), ISDN User Part signalling procedures. ITU-T Recommendation Q.850 (1993), Use of cause and location in the digital subscriber Si

27、gnalling System No. 1 and the Signalling System No. 7 ISDN user part. ITU-T Recommendation 4.93 1 (1 993), ISDN user-network interface layer 3 specijcation for basic call control. ITU-T Recommendation 4.932 (1993), Generic procedures for the control of ISDN supplementary services. ITU-T Recommendati

28、on Q.73 1 (1 993), Stage 3 description for number identzjkation supplementary services using Signalling System No. 7: Q.73 1.3, Calling line identiycation presentation (CLIP). Q.73 1.4, Calling line identification restriction (CLIR). 4.73 1.5, Connected line identijcation presentation (COLP). Recomm

29、endation Q.699 (09/97) 1 STD-ITU-T RECMN Qmb99-ENGL 1777 W 4b259L Ob4b502 870 B Q.73 1.6, Connected line identijkation restriction (COLR). ITU-T Recommendation 4.732 (1993), Stage 3 description for the call oflering supplementary services using Signalling System No. 7: 4.732.2, Call forwarding busy.

30、 4.732.3, Call forwarding no reply. 4.732.4, Call forwarding unconditional. 4.732.5, Call deflection. ITU-T Recommendation 4.733 (1993), Stage 3 description for call completion Supplementary Services using Signalling System No. 7: 4.733.2, Call Hold (CH). 4.733.4, Terminal Portability (TP). ITU-T Re

31、commendation 4.734, Stage 3 description for multiparty supplementary services using Signalling System No. 7: 4.734.1 (1993), Conference calling. 4.734.2 (1996), Three-party service. ITU-T Recommendation 4.735 (1 993), Stage 3 description for community of interest supplementary services using Signall

32、ing System No. 7: 4.735.1, Closed user group (CUG). 4.73 5.2, Multi-level precedence and preemption. ITU-T Recommendation 4.737 (1 993), Stage 3 description for additional information transfer Supplementary Services using Signalling System No. 7: 4.737.1, User-to-user signalling (UUS). ITU-T Recomme

33、ndation 4.95 1 (1 993), Stage 3 description for number identzJication supplementary services using DSS I: 4.95 1.3, Calling line identipcation presentation (CLIP). 4.95 1.4, Calling line identlJication restriction (CLIR). 4.95 1.5, Connected line identijkation presentation (COLP). 4.95 1.6, Connecte

34、d line identiJication restriction (COLR). ITU-T Recommendation 4.952 (1 993), Stage 3 description for call offering supplementary services using DSS I - Diversion supplementary services. ITU-T Recommendation 4.953 (1 993), Stage 3 description for call completion supplementary services using DSS 1; 4

35、.953.2, Call hold.4 ITU-T Recommendation 4.954, Stage 3 description for multiparty supplementary services using DSS 1; 4.954.1 (1993), Conference calling. 4.954.2 (1999, Three-party service. 2 Recommendation Q.699 (09/97) STD-ITU-T RECMN Bab79-ENGL I1777 I 48b257L Ob4b503 707 E 181 ITU-T Recommendat

36、ion 4.955 (1 993), Stage 3 description for community of interest supplementary services using DSS 1. 4.955.3, Multi-level Precedence and Preemption (MLPP). ITU-T Recommendation Q.957 (1 993), Stage 3 description for additional information transfer supplementary services using DSS 1: 4.957.1, User-to

37、-User Signalling (UUS). 191 1.3 Methodology The procedures and elements of information that are not carried over the international interface (i.e. are defined for national use) are not described in this Recommendation, except for the interworking cases of the calling party number, connected number a

38、nd redirection number when the national number can be used. The elements of information (parameters, information element and messages) that are of local significance only, i.e. are not mapped onto elements of information in the other signalling system, are not mentioned. Moreover, only the parameter

39、s and indicators being a matter of interworking are described. Hence, no information is given concerning e.g. the satellite indicator, the continuity check indicator, the echo control device indicator, the propagation delay counter parameter. In the same way, information to be sent in case of local

40、fallback or local rejection of Supplementary Services are not relevant to interworking and therefore are not mentioned. ISUP segmentation Some ISUP messages may indicate that they are followed by a Segmentation Message (SGM). The actions described in this Recommendation on receipt of such messages t

41、ake place only after the completion of the segmentation procedure specified in 2.1.12/Q.764 4. When it is said in the text that a parameter is received in an ISUP message, in case of segmentation it could be received in the segmentation message (SGM) as well. ISUP messages which can be segmented and

42、 ISUP parameters which can be conveyed in a segmentation message (SGM) are described in 2.1.12/Q.764 4. DSS 1 segmentation When it is said in the text that a specific DSS 1 message is received, in case of segmentation the content of this message is received in SEGMENT messages. The actions described

43、 in this Recommendation then take place only after the completion of the DSS 1 segmentation procedure specified in Annex WQ.93 1 6. Handling of the cause and location fields When a cause parameter or information element has to be sent by the exchange, only the cause value is given in the text; the l

44、ocation indication is coded according to SI. When a progress indicator information element has to be sent by the exchange, only the progress description is given in the text; the location indication is coded according to 5. The handling of the diagnostic received in a cause parameter or in a cause i

45、nformation element is described in 5. Recommendation 4.699 (09/97) 3 Services interactions Impacts of services interactions on intenvorking are not described. 1.4 Symbols and abbreviations The ISUP messages are written in small letters, the DSS 1 messages in capital letters. This Recommendation uses

46、 the following abbreviations: . 3PTY ACM ANM ATP BC CGB CLIP CLIR COLP COLR CON CPG CUG cw DDI DSS 1 FAA FAR FRJ GRS HLC HOLD i.e. IAM ind. ISDN ISUP MLPP MSN p.i. 4 Three-Party Service Address Complete Message Answer Message Access Transport Parameter Bearer Capability information element Circuit G

47、roup Blocking message Calling Line Identification Presentation Calling Line Identification Restriction Connected Line Identification Presentation Connected Line Identification Restriction Connect message Call Progress message Closed User Group Call Waiting Direct-Dialling-In Digital Subscriber Signa

48、lling System No. 1 Facility Accepted message Facility Request message Facility Reject message Circuit Group Reset message High Layer Compatibility information element Call HOLD information element Initial Address Message indicator Integrated Service Digital Network ISDN User Part Multi-Level Precede

49、nce and Preemption Multiple Subscriber Number progress indicator information element Recommendation Q.699 (09197) FEL RES RSC SAM SGM SUB sus TMR Release message Resume message Reset Circuit message Subsequent Address Message Segmentation Message Sub-addressing Suspend message Transmission Medium Requirement parameter TMU Transmission Medium Used parameter TP Terminal Portability us1 User Service Information parameter USR User-to-user information message uus User-to-User signalling 2 Outgoing call 2.1 Interworking from DSS 1 to ISUP 2.1.1