ITU-T Q 1600-1997 Signalling System No 7 - Interaction Between ISUP and INAP Series Q Switching and Signalling Intelligent Network (Study Group 11 58 pp)《No 7信令系统 ISUP和INAP间的相互作用》.pdf

1、STD-ITU-T RECMN Q-LbOO-ENGL 1797 i.18b259L Obi.13823 7T3 INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Q.1600 SERIES Q: SWITCHING AND SIGNALLING I n tel I ig ent Network (0997) Signalling system No. 7 - Interaction between ISUP and INAP ITU-T Recommendat

2、ion Q. 1600 (Previously CCITT Recommendation) STD-ITU-T RECMN Q-LbOO-ENGL 1997 m Li862571 Ob1i3822 b3T m ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE Q. 1-(2.3 INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING FUNCTIONS AND INFORMATION FLOWS

3、 FOR SERVICES IN THE ISDN CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS Q.4-Q.59 Q.60-Q.99 Q.100-Q.119 Q.250-Q.309 SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4 AND No. 5 Q. 120-Q.249 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 SPECIFICATIONS OF SIGNALLING SYSTEM Rl Q.310-Q.399 SPECIFICATIONS OF SIGNALLIN

4、G SYSTEM R2 Q.400-Q.499 DIGITAL EXCHANGES Q.500-(2.599 INTERWORKING OF SIGNALLING SYSTEMS Q.600-Q.699 SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 Q. 700-Q. 849 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 Q.850-Q.999 PUBLIC LAND MOBILE NETWORK Q. 1000-Q.1 O99 INTERWORKING WITH SATELLITE MOBILE SYSTEMS Q

5、. 1 1 OO-Q. 1 199 I 20 999 BROADBAND ISDN Q.2000-(2.2999 For further details, please refer to ITU-T List of Recommendations. STD-ITU-T RECMN Q-LbOO-ENGL 1797 4Ab2571 Ob43823 57b W ITU-T RECOMMENDATION Q.1600 SIGNALLING SYSTEM NO. 7 - INTERACTION BETWEEN ISUP AND INAP Summary The Recommendation speci

6、fies procedures in order to provide interaction between ISUP and INAP CS-1, Le. to support IN services in an ISDN environment. This Recommendation only considers the case where the SSP is located at a transit level. As a consequence this could lead to limitations for ISDN supplementary services. The

7、 interaction between other signalling systems and INAP can be found by consulting the relevant intenvorking Recommendation to the ISUP in combination with the ISUP/INAP interaction Recommendation. Source ITU-T Recommendation 4.1600 was prepared by ITU-T Study Group 11 (1997-2000) and was approved un

8、der the WTSC Resolution No. 1 procedure on the 12th of September 1997. STDmITU-T RECMN Q*LbOD-ENGL 1997 4Ab2571 b113824 402 FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sect

9、or (ITU-T) is a permanent organ of the ITU. The ITU-T is responsible for 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 m

10、eets every four years, establishes the topics for study by the IT-T Study 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 tec

11、hnology which fall within ITU-Ts purview, the necessary standards are 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. INTELL

12、ECTUAL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The IT takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Righ

13、ts, whether asserted by ITU members or others outside of the Recommendation 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, impleme

14、ntors are cautioned that this may not represent the latest information 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 photo

15、copying and microfilm, without permission in writing from the ITU. I1 Recommendation 4.1600 (09/97) STD-ITU-T RECMN Q*LbOO-ENGL 1797 m 48b2571 Ob113825 ILI7 m CONTENTS Page Scope 1 1 1 2 References 2 Terms and definitions . 3 2 Abbreviations . 4 3 Description . 5 8 Operational requirements . 6 8 8 7

16、 Coding requirements Messages . Parameters 7.2.1 Call diversion treatment indicators parameter . 7.2.2 Called IN number parameter . 7.2.3 Call offering treatment indicators parameter . 7.2.4 Charged party identification parameter (for national use) 7.2.5 Conference treatment indicators parameter . :

17、 . 7.2.6 Correlation id parameter 7.2.7 Display information parameter 7.2.8 SCF id parameter . 7.2.9 UID action indicators parameter . 7.2.1 O UID capability indicators parameter . 7.1 8 8 9 9 10 10 11 12 12 13 14 7.2 14 State definitions 8 9 9.1 15 15 15 19 19 19 19 20 Signalling procedures . IN ba

18、sic call 9.1.1 Successful call set-up 9.1.2 Normal call release 9.1.3 Suspend, resume 9.1.4 Releasecall operation 9.1.5 Transfer of the called IN number 9.1.6 Abnormal conditions . IN call with SCP request to collect further digits . Detection Point processing . Actions to be performed in case of DP

19、s armed in the request mode . 9.3.1 General 9.3.2 Set-up of an IN call to destination B 9.4.1 Successful call set-up 20 20 20 21 9.2 9.3 22 23 9.4 Recommendation 4.1600 (09197) . 111 STD-ITU-T RECMN Q-lbOO-ENGL 1777 = 48b2591 Ob4382b 285 9.5 9.4.2 Timer T, expiry 9.4.3 Abnormal conditions . 9.4.4 Im

20、pact on supplementary services User interactive dialogue (in-band) Assist method - procedure in the initiating SSP . Assismand-off method - Procedure in the assisting SSP 9.5.1 9.5.2 9.5.3 9.5.4 SSP supports requested IP capabilities Hand-off method - Procedure in the initiating SSP 9.6 Call gapping

21、 9.7 Service filtering Impact on supplementary services 9.8 SCP initiated call 9.8.1 Successful call set-up 9.7.1 9.9 Actions to be performed in local exchanges . Actions in the originating local exchange . 9.9.1 9.9.2 Actions in the destination local exchange . Actions in an intermediate exchange :

22、 . 9.10.1 9.10.2 In an intermediate exchange starting timer T9 Actions in international gateway exchanges 9.10 In an intermediate exchange not starting timer T9 9.1 1 10 Interaction with other networks 11 Interaction between IN basic call and ISDN supplementary services 1 1.1 Call diversion 1 1.1.1

23、Actions in the service switching point 1 1.1.2 Actions in the destination local exchange . Calling line identification presentationrestriction . 1 1.2.1 Actions in the service switching point 1 1.2 1 1.3 Completion of calls to busy subscriber 1 1.3.1 Actions in the service switching point 1 1.4 Conf

24、erence 1 1.4.1 Actions in the originating or destination local exchange Connected line identification presentationrestriction 1 1.5.1 Actions in the service switching point 1 1.5 1 1.6 Explicit call transfer . 1 1.6.1 Actions in the service switching point Malicious call identification . 1 1.7 Page

25、25 25 25 26 26 29 31 31 31 32 32 32 33 34 34 34 35 35 35 35 35 35 37 37 37 38 38 38 38 38 38 38 38 39 39 39 iv Recommendation Q.1600 (09197) STD-ITU-T RECMN Q-Lb-ENGL 1777 48b259L b43827 LLL m 1 1.7.1 1 1.7.2 Actions in the service switching point Actions in the destination local exchange . 11.8 Thr

26、ee party Actions in the originating or destination local exchange 1 1.8.1 12 Interactions between IN services 13 Parameter values (timers) . Annex A . Signalling flows Appendix I . Coding of the compatibility information for the new parameters . Appendix II . Contents of the INAP serviceInteractionI

27、ndicators Appendix III . Limitations for ISUP basic call procedures and supplementary services for different types of lN calls . Page 39 39 39 39 39 40 41 47 48 49 Recommendation Q.1600 (09/97) V Recommendation 4.1600 SIGNALLING SYSTEM NO. 7 - INTERACTION BETWEEN ISUP AND INAP (Geneva, 1997) 1 Scope

28、 This Recommendation specifies the interaction between the ISUP and INAP. The interaction between other signalling systems and INAP can be found by consulting the relevant intenvorking Recommendation to the ISUP in combination with the ISUP/INAP interaction Recommendation. This Recommendation specif

29、ies procedures in order to provide interaction between ISUP and NAP, i.e. to support IN services in an ISDN environment. In addition, new protocol elements for the ISUP are defined in this Recommendation in order to satis IN specific requirements. Based on the protocol inherent compatibility mechani

30、sm, a stepwise upgrade of the ISUP functionality is possible. However, the new function is only available for an IN call, if supported in any of the affected exchanges. This Recommendation only considers the case where the SSP is located at a transit level. As a consequence, this could lead to limit

31、ations for ISDN supplementary services. This Recommendation does not speci enhancements to the DSS 1 protocol, which may be needed due to additional ISUP functions or IN requirements, respectively. The main subjects of this interaction specification are the following: description of specific call co

32、ntrol functions for IN calls; impacts on the ISUP basic call and the ISDN supplementary services for IN calls; enhancement of the ISUP protocol due to IN specific requirements. 0 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this

33、 text, constitute provisions of this Recommendation. 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 e

34、dition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. i CCITT Recommendation I. 130 (1988), Method for the characterization of 2 3 telecommunication services supported by an ISDN and network capabilities of an ISD

35、N. ITU-T Recommendation 1.1 12 (1993), Vocabulary of terms for ISNs. ITU-T Recommendation 1.21 O (1 993), Principles of telecommunication services supported by an ISDN and the means to describe them. ITU-T Recommendation Q. 12 14 (1 995), Distributed functional plane for intelligent network cs-I. IT

36、U-T Recommendation Q. 121 8 (1 993 Interface Recommendation for intelligent network cs-I. 4 SI Recommendation 4.1600 (0997) 1 6 7 8 9 lo 1 11 ITU-T Recommendation Q.1290 (1995), Glossary of terms used in the dejinition of intelligent networks. ITU-T Recommendation 4.73 1 (1993), Stage 3 description

37、for number identzfzcation supplementary services using Signalling System No. 7. ITU-T Recommendation 4.732 (1996), Stage 3 description for call offering supplementary services using Signalling System No. 7 - Call diversion services. ITU-T Recommendation 4.763 (1997), Signalling System No. 7 ISDN Use

38、r Part formats and codes. ITU-T Recommendation 4.764 (1997), Signalling System No. 7 ISDN User Part signalling procedures. ITU-T Recommendation 4.93 1 (1 993), ISDN user-network interface layer 3 spec$cation for basic call control. 3 Terms and definitions For the purpose of this Recommendation, the

39、following definitions apply: 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Integrated Services Digital Network (ISDN): see Recommendation 1.1 12 2. Service; telecommunication service: see Recommendation I. 1 12 2. Supplementary service: see Recommendation 1.2 1 O 3. Call Control Function (CCF): see 3.3/Q.1214 4. Serv

40、ice Control Function (SCF): see 3.3/Q.1214 4. Service Switching Function (SSF): see 3.3/Q.1214 4. Specialized Resource Function (SRF): see 3.3/Q.1214 4. 4 Abbreviations This Recommendation uses the following abbreviations. ACM Address Complete Message (ISUP) ANM Answer Message (ISUP) CON Connect Mes

41、sage (ISUP) CPG Call Progress Message (ISUP) DLE Destination Local Exchange DP Detection Point DSS 1 Digital Subscriber Signalling System No. 1 EDP-N Event Detection Point - Notification EDP-R Event Detection Point - Request FAR Facility Request Message (ISUP) FOT Forward Transfer Message (ISUP) FRJ

42、 Facility Reject (ISUP) IAM Initial Address Message (ISUP) IDR Identification Request Message (ISUP) 2 Recommendation Q.1600 (09/97) STD-ITU-T RECMN Q*lbUU-ENGL 1777 = 48b2571 Ob43830 70b IE IN INAP IP IRS ISDN ISUP OLE REL RES RLC SCP SGM ss SSP sus TMR UID 5 Information Element Intelligent Network

43、 Intelligent Network Application Protocol Intelligent Peripheral Identification Response Message (ISUP) Integrated Services Digital Network ISDN User Part Originating Local Exchange Release Message (ISUP) Resume Message (ISUP) Release Complete Message (ISUP) Service Control Point Segmentation Messag

44、e (ISUP) Signalling System Service Switching Point Suspend Message (ISUP) Transmission Medium Requirement User Interactive Dialogue Description Recommendation Q. 1214 4 provides a distributed functional plane architecture for IN Capability Set 1 (CS-1). Interactions between the following Functional

45、Entities (FES) are relevant for this Recommendation: 0 Call Control Function (CCF); Service Control Function (SCF); Specialized Resource Function (SRF). a Service Switching Function (SSF); The functional entities can be implemented in one or more network elements, called physical entities. The Servi

46、ce Control Point (SCP) is the physical entity in the intelligent network that implements the SCF. The CCF and SSF are realized in the Service Switching Point (SSP) and the SRF is realized in the Intelligent Peripheral (IP). The SSF contains the capabilities beyond those that are needed for basic cal

47、l control. Consequently, this Recommendation concentrates on the actions that are performed in the CCF. Figure 1 illustrates in a simplified manner a signalling configuration which is to be considered in this Recommendation. In the configuration it is assumed that SRF support is not needed. The netw

48、ork signalling system used for call Set-up is the ITU-T ISUP lo. The interface between SSF and SCF is the ITU-T INAP 5. Recommendation 4.1600 (09/97) 3 STD.ITU-T RECMN B-LbOO-ENGL 1777 m 48b2571 Ub43831 b1i2 Detection points for the Support Detection points for the originating side terminating side

49、SCP support SSP I INAP DP 1 Origination-Attempt- No impact Authorized I DP 12 Terminating-Attempt- No impact Authorized U T1184080-97 DP2 Collected-Information DP3 Analysed-Information Figure VQ.1600 - Signalling configuration for an IN call without SRF support Y es Yes The interaction between ISUP and INAP takes place in the CCF and SSF. The following main subjects have to be considered in this area: detection point processing in the CCF; receipt of INAP operations in the SSF. DP5 OCalled-PartyBusy DP6 ONoAnswer Detection poin