ANSI ATIS T1.TR.62-2002 Digital Subscriber Signaling System Number 1 (DSS1) Codepoints for Integrated Service Digital Network (ISDN) Supplementary Services.pdf

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1、 TECHNICAL REPORT T1.TR.62-2002 Technical Report on Digital Subscriber Signaling System Number 1 (DSS1) Codepoints for Integrated Service Digital Network (ISDN) Supplementary Services Prepared by T1S1.7 Working Group on Services, Architecture, and Control Problem Solvers to the Telecommunications In

2、dustry A Word from ATIS and Committee T1 Established in February 1984, Committee T1 develops technical standards, reports and requirements regarding interoperability of telecommunications networks at interfaces with end-user systems, carriers, information and enhanced-service providers, and customer

3、 premises equipment (CPE). Committee T1 is sponsored by ATIS and is accredited by ANSI. T1.TR.62-2002 Published by Alliance for Telecommunications Industry Solutions 1200 G Street, NW, Suite 500 Washington, DC 20005 Committee T1 is sponsored by the Alliance for Telecommunications Industry Solutions

4、(ATIS) and accredited by the American National Standards Institute (ANSI). Copyright 2002 by Alliance for Telecommunications Industry Solutions All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written pe

5、rmission of the publisher. For information contact ATIS at 202.628.6380. ATIS is online at . Printed in the United States of America. T1.TR.62-2002 (Revision of T1.TR.62-2000) Technical Report Digital Subscriber Signaling System Number 1 (DSS1) Codepoints for Integrated Service Digital Network (ISDN

6、) Supplementary Services Alliance for Telecommunications Industry Solutions Approved April 2002 Abstract This Technical Report is a compilation of DSS1 codepoints that are defined for use by ISDN Supplementary Services. The information presented in this report includes modifications and extensions t

7、o DSS1 Layer 3 messages, information elements, codepoints and timers defined for ISDN Supplementary Services that have been published as American National Standards. This Technical Report supersedes Technical Report T1.TR.62-2000. T1.TR.62-2002 Foreword This T1 Technical Report was prepared by the T

8、1S1.7 Working Group on Services, Architecture and Control. It provides a compilation of DSS1 codepoints that are defined for use by ISDN supplementary services. No new information is contained herein since every DSS1 codepoint that is mentioned in this report has already been published in one or mor

9、e American National Standards. Rather, this is a comprehensive listing of codepoints for ISDN supplementary services for the reference of developers and other standards committees. Information contained in this report is subject to change without notice since the development of new and revised Ameri

10、can National Standards on ISDN supplementary services is an on-going activity. This Technical Report supersedes Technical Report T1.TR.62-2000. Suggestions for improvement of this standard will be welcome. These should be sent to the Alliance for Telecommunications Industry Solutions, T1 Secretariat

11、, 1200 G Street, NW, Suite 500, Washington DC 20005. This Technical Report was processed and approved by the Accredited Standards Committee Telecommunications, T1. Committee approval of this Technical Report does not necessarily imply that all committee members voted for its approval. Working Group

12、T1S1.7 of the Technical Subcommittee T1S1 on Services, Architectures, and Signaling, which was responsible for the development of this standard, had the following members: Martin Dolly, T1S1.7 Chair Joe Zebarth, T1S1.7 Vice Chair Dave Vander Meiden, T1S1.7 Editor ii T1.TR.62-2002 Table of Contents 1

13、 Scope.1 2 Abbreviations and Acronyms1 3 DSS1 Codepoints used for ISDN Supplementary Service .2 3.1 Modified Messages 2 3.1.1 ALERTING Message2 3.1.2 CONNECT Message2 3.1.3 CONNECT ACKNOWLEDGE Message.2 3.1.4 DISCONNECT Message 3 3.1.5 HOLD Message3 3.1.6 HOLD ACKNOWLEDGE Message.3 3.1.7 INFORMATION

14、 Message.3 3.1.8 NOTIFY Message.4 3.1.9 PROGRESS Message .4 3.1.10 RELEASE Message .4 3.1.11 RELEASE COMPLETE Message.4 3.1.12 RETRIEVE ACKNOWLEDGE Message.5 3.1.13 SETUP Message5 3.2 Additional Messages 6 3.3 Modified Information Elements.6 3.3.1 Cause information element 6 3.3.2 Facility informati

15、on element6 3.3.3 Message type information element.9 3.3.4 Notification indicator information element.10 3.3.5 Redirecting number information element11 3.3.6 Signal information element.11 3.4 Additional Information Elements.12 3.5 Timers 12 A Bibliography .14 T1.TR.62-2002 Digital Subscriber Signali

16、ng System Number 1 (DSS1) Codepoints for Integrated Service Digital Network (ISDN) Supplementary Services 1 Scope This Technical Report is a compilation of DSS1 codepoints that are defined for use by ISDN supplementary services. No new information is contained herein since every DSS1 codepoint that

17、is mentioned in this report has already been published in one or more American National Standards. Rather, this is a comprehensive listing of codepoints for ISDN supplementary services for the reference of developers and other standards committees. Information contained herein is subject to change w

18、ithout notice since the development of new and revised American National Standards on ISDN supplementary services is an on-going activity. The information presented in this Technical Report includes modifications and extensions to DSS1 Layer 3 messages, information elements, codepoints and timers de

19、fined for ISDN supplementary services that have been published as American National Standards. Codepoints for basic call control (as presented in T1.607-2000) and generic supplementary services procedures (as presented in T1.610-1998) are not contained in this Technical Report. If there are any disc

20、repancies in information between this Technical Report and an American National Standard on an ISDN supplementary service, then the American National Standard shall take precedence. 2 Abbreviations and Acronyms The following abbreviations and acronyms are used within this Technical Report. ASN.1 Abs

21、tract Syntax Notation One CLIP Calling Line Identification Presentation CLIR Calling Line Identification Restriction CNIP Calling Name Identification Presentation CNIR Calling Name Identification Restriction CONF Conference Calling CTN Normal Call Transfer DCI D-Channel Identifier DSS1 Digital Subsc

22、riber Signaling System No. 1 ECS Emergency Calling Service ECT Explicit Call Transfer MLPP Multi-Level Precedence and Preemption MWICN Message Waiting Indicator Control and Notification 1 T1.TR.62-2002 USBS User Signaling Bearer Service UUS User-to-User Signaling 3 DSS1 Codepoints used for ISDN Supp

23、lementary Service This section describes DSS1 Layer 3 messages, information elements, codepoints and timers that have been modified or added to basic call control and generic procedures for control of ISDN supplementary services. 3.1 Modified Messages This section describes modifications that have b

24、een made to DSS1 Layer 3 messages for the support of ISDN supplementary services. Whenever an “M“ is shown in the “Type“ field for an information element, the “M“ indicates that the information element is mandatory only in the context of the supplementary service that uses it. 3.1.1 ALERTING Message

25、 The following information elements have been added to this message for support of the Call Waiting and User-to-User Signaling (UUS) services. Information Element Service Direction Type Standard Notification indicator Call Waiting both O T1.613-1991 (R2002) User-user UUS both O T1.621-1992 (R1999) 3

26、.1.2 CONNECT Message The following information element has been added to this message for support of the UUS service. Information Element Service Direction Type Standard User-user UUS both O T1.621-1992 (R1999) 3.1.3 CONNECT ACKNOWLEDGE Message The following information element has been added to thi

27、s message for support of the Call Waiting service. 2 T1.TR.62-2002 Information Element Service Direction Type Standard Channel identification Call Waiting nu M T1.613-1991 (R2002) 3.1.4 DISCONNECT Message The following information elements have been added to or made mandatory in this message for sup

28、port of the Multi-Level Precedence and Preemption (MLPP) and UUS services. Information Element Service Direction Type Standard Signal MLPP nu M T1.619-1992 (R1999) User-user UUS both O T1.621-1992 (R1999)3.1.5 HOLD Message The following information elements have been added to this message for suppor

29、t of the MLPP and Normal Call Transfer (CTN) services. Information Element Service Direction Type Standard Call identity MLPP nu M T1.619-1992 (R1999) Cause MLPP nu M T1.619-1992 (R1999) Signal MLPP:CTN: nu nu M O T1.619-1992 (R1999) T1.632-1993 (R1999) Feature indication CTN nu O T1.632-1993 (R1999

30、) 3.1.6 HOLD ACKNOWLEDGE Message The following information elements have been added to this message for support of the MLPP and Call Hold services. Information Element Service Direction Type Standard Call identity MLPP un M T1.619-1992 (R1999) Signal Call Hold nu O T1.616-1992 (R1999) 3.1.7 INFORMAT

31、ION Message The following information elements have been added to this message for support of the Calling Line Identification Restriction (CLIR), CTN and Call Park services. 3 T1.TR.62-2002 Information Element Service Direction Type Standard Cause CLIR CTN Call Park nu O T1.625-1993 (R1999) T1.632-1

32、993 (R1999) T1.653-1996 (R2000) 3.1.8 NOTIFY Message The following information elements have been added to this message for support of the Call Deflection service. Information Element Service Direction Type Standard Redirection number Call Deflection nu O T1.642-1995 (R2000) Redirection subaddress C

33、all Deflection nu O T1.642-1995 (R2000) 3.1.9 PROGRESS Message The following information elements have been added to or made mandatory in this message for support of the MLPP and UUS services. Information Element Service Direction Type Standard Signal MLPP nu M T1.619-1992 (R1999) User-user UUS nu O

34、 T1.621-1992 (R1999) 3.1.10 RELEASE Message The following information element has been added to this message for support of the UUS service. Information Element Service Direction Type Standard User-user UUS both O T1.621-1992 (R1999) 3.1.11 RELEASE COMPLETE Message The following information element

35、has been added to this message for support of the UUS service. Information Element Service Direction Type Standard User-user UUS un O T1.621-1992 (R1999) 4 T1.TR.62-2002 3.1.12 RETRIEVE ACKNOWLEDGE Message The following information element has been added to this message for support of the Call Hold

36、service. Information Element Service Direction Type Standard Signal Call Hold nu O T1.616-1992 (R1999) 3.1.13 SETUP Message Changes to the contents of the SETUP message have been made for the support of the Calling Line Identification Presentation (CLIP), Call Deflection, Call Waiting, MLPP and UUS

37、services. The changes include the addition of new information elements, the repetition of existing information elements, as well as the condition for inclusion of the information element. Information Element Service Direction Type Standard Codeset 0 Information Elements Call identity MLPP nu M T1.61

38、9-1992 (R1999) Calling party number (repeatable) CLIP nu O T1.625-1993 (R1999) Calling party number MLPP un M T1.619-1992 (R1999) Called party number MLPP un M T1.619-1992 (R1999) Channel identification MLPP un M T1.619-1992 (R1999) Precedence level MLPP un M T1.619-1992 (R1999) Redirecting number (

39、repeatable) CLIP Call Deflection nu O T1.625-1993 (R1999) T1.642-1995 (R2000) Redirecting subaddress (repeatable) Call Deflection nu O T1.642-1995 (R2000) Signal Call Waiting MLPP nu M T1.613-1991 (R2002) T1.619-1992 (R1999) User-user UUS both O T1.621-1992 (R1999) Codeset 5 Information Elements (Na

40、tional-specific) 1Emergency call control ECS nu O T1.628-2000 Generic information (repeatable) ECS both O T1.628-2000 1. Codeset 5 information elements must be preceded by a Locking shift information element that identifies codeset 5. 5 T1.TR.62-2002 3.2 Additional Messages The following additional

41、DSS1 Layer 3 messages that have been added for the support of the User Signaling Bearer Service (USBS) supplementary service. Message Service Standard CONGESTION CONTROL USBS T1.623-1993 (R1999) USER INFORMATION USBS T1.623-1993 (R1999) 3.3 Modified Information Elements This section describes modifi

42、cations that have been made to DSS1 Layer 3 information elements for the support of various ISDN supplementary services. 3.3.1 Cause information element The following codepoints in the cause value (octet 4) in the DSS1 Cause information element have been allocated for use by the indicated ISDN suppl

43、ementary services. All DSS1 cause values recognized in an American National Standard, including those used by the ISDN supplementary services indicated below, are compiled and described in T1.650-1995 (R2000). Bits 765 4321 Description Service Standard 000 1000 8: Preemption MLPP T1.619a-1994 (R1999

44、) 000 1001 9: Preemption - circuit reserved for reuse MLPP T1.619a-1994 (R1999) 010 1110 46: Precedence call blocked MLPP T1.619-1992 (R1999) 011 0011 (National) 51: Call type incompatible with service request Call Hold CTN Call Park T1.616-1992 (R1999) T1.632-1993 (R1999) T1.653-1996 (R2000) 011 01

45、01 (National) 53: Service operation violated Diagnostics (optional) Value Short-term Denial 0000 0000Long-term Denial 0000 0001CLIP/CLIR ECS (Call Hold) CTN CNIR Call Park T1.625-1993 (R1999) T1.628-2000 T1.632-1993 (R1999) T1.639-1995 (R2001) T1.653-1996 (R2000) 3.3.2 Facility information element 3

46、.3.2.1 Operation Values The following codepoints for the Operation value in the Invoke and Return Result components have been allocated for the functional control of the indicated ISDN supplementary services. 6 T1.TR.62-2002 Operation Value Description Service(s) Standard REMOTE OPERATIONS (Protocol

47、 Profile = 10001) 14 Call rerouting type Call Deflection T1.642-1995 (R2000) 24 MLPP look for busy query MLPP T1.619-1992 (R1999) 40 Begin conference CONF T1.647-1995 (R2000) 41 Add party to conference CONF T1.647-1995 (R2000) 42 Split party from conference CONF T1.647-1995 (R2000) 43 Drop party fro

48、m conference CONF T1.647-1995 (R2000) 44 Isolate party from conference CONF T1.647-1995 (R2000) 45 Reattach party to conference CONF T1.647-1995 (R2000) 46 Disconnect party from conference CONF T1.647-1995 (R2000) 47 Float conference CONF T1.647-1995 (R2000) 48 End conference CONF T1.647-1995 (R2000

49、) 90 Explicit ECT execute ECT (Version 1) T1.643-1993 NETWORKING EXTENSIONS (Protocol Profile = 11111) 0 Calling Name CNIP T1.641-1995 (R2000) 21 Diverting Leg Information 2 CNIP T1.641-1995 (R2000) NATIONAL-SPECIFIC OPERATION VALUES 11 Message waiting indicator control MWICN T1.622-1999 2 Message waiting notification MWICN T1.622-1999 3 Modify name privacy status CNIR T1.639-1995 (R2001) 4 Information following CNIP T1.641-1995 (R2000) 5 Name delivery activation/deactivation CNIP T1.641-1995 (R2000) 6 Redirecting name delivery activation/deactivation CNIP T1.641-1995 (R2000) 7 Message wai