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ETSI TS 103 161-13-2011 Access Terminals Transmission and Multiplexing (ATTM) Integrated Broadband Cable and Television Networks IPCablecom 1 5 Part 13 Trunking Gateway Control Pro_1.pdf

1、 ETSI TS 103 161-13 V1.1.1 (2011-10) Access, Terminals, Transmission and Multiplexing (ATTM); Integrated Broadband Cable and Television Networks; IPCablecom 1.5; Part 13: Trunking Gateway Control Protocol - MGCP option Technical Specification ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)2Reference DTS/AT

2、TM-003011-13 Keywords access, broadband, cable, IP, multimedia, PSTN ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 780

3、3/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference vers

4、ion is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of sta

5、tus. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notifica

6、tion No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2011. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI

7、registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)3Contents Int

8、ellectual Property Rights 7g3Foreword . 7g31 Scope 9g32 References 9g32.1 Normative references . 9g32.2 Informative references 11g33 Definitions and abbreviations . 11g33.1 Definitions 11g33.2 Abbreviations . 11g34 Void 13g35 Technical Overview . 13g36 Introduction 14g36.1 Relation with Other IPCabl

9、ecom Standards . 15g36.2 Relation to RFC 3435 and ABNF Grammar 15g37 Media Gateway Control Interface (MGCI) 16g37.1 Model and Naming Conventions 16g37.1.1 Endpoint Names 16g37.1.1.1 Trunking Gateway Endpoint Names . 17g37.1.1.1.1 Trunk Circuit Endpoints 17g37.1.2 Call Names 19g37.1.3 Connection Name

10、s 19g37.1.4 Names of Media Gateway Controllers and Other Entities 19g37.1.5 Digit Maps 20g37.1.6 Events and Signals 20g37.2 SDP Use . 22g37.3 Gateway Control Functions 22g37.3.1 NotificationRequest 24g37.3.2 Notifications . 29g37.3.3 CreateConnection . 29g37.3.4 ModifyConnection 34g37.3.5 DeleteConn

11、ection (From the Media Gateway Controller) 35g37.3.6 DeleteConnection (From the Trunking gateway) . 37g37.3.7 DeleteConnection (Multiple Connections From the Media Gateway Controller) 37g37.3.8 Auditing 38g37.3.8.1 AuditEndPoint . 38g37.3.8.2 AuditConnection . 40g37.3.9 Restart in Progress 41g37.4 S

12、tates, Failover and Race Conditions . 43g37.4.1 Recaps and Highlights 43g37.4.2 Retransmission and Detection of Lost Associations . 43g37.4.3 Race Conditions 46g37.4.3.1 Quarantine list . 46g37.4.3.2 Explicit detection 50g37.4.3.3 Transactional Semantics 50g37.4.3.4 Ordering of commands and treatmen

13、t of disorder . 51g37.4.3.5 Fighting the restart avalanche . 52g37.4.3.6 Disconnected Endpoints 53g37.4.3.7 Call Agent Handling of Disconnected Endpoints . 55g37.5 Return Codes and Error Codes . 56g37.6 Reason Codes . 58g37.7 Use of Local Connection Options and Connection Descriptors . 58g37.7.1 RFC

14、 2833 Negotiation 60g3ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)47.7.2 Remote IP and Port Negotiation . 60g37.7.3 LCO use when the FXR package is used without the VBD package 61g37.7.3.1 fxr/fx:gw . 61g37.7.3.2 fxr/fx:t38;off 61g37.7.3.3 fxr/fx:t38 . 62g37.7.3.4 fxr/fx:t38-loose 62g37.7.3.5 Other Opti

15、ons 62g37.7.4 LCO with FXR and VBD being used by MGC at same time . 63g37.7.5 LCO format for V.152 and 2198 Redundancy use . 64g38 Media Gateway Control Protocol . 65g38.1 General Description 65g38.2 Command Header . 66g38.2.1 Command Line . 66g38.2.1.1 Requested Verb Coding 66g38.2.1.2 Transaction

16、Identifiers 66g38.2.1.3 Endpoint, Media Gateway Controller and NotifiedEntity Name Coding 67g38.2.1.4 Protocol Version Coding . 67g38.2.2 Parameter Lines 68g38.2.2.1 Response Acknowledgement 69g38.2.2.2 RequestIdentifier . 69g38.2.2.3 Local Connection Options . 70g38.2.2.4 Capabilities 71g38.2.2.5 C

17、onnection Parameters 72g38.2.2.6 Reason Codes 72g38.2.2.7 Connection Mode 73g38.2.2.8 Event/Signal Name Coding . 73g38.2.2.9 RequestedEvents . 74g38.2.2.10 SignalRequests 74g38.2.2.11 ObservedEvents 75g38.2.2.12 RequestedInfo . 75g38.2.2.13 QuarantineHandling 76g38.2.2.14 DetectEvents . 76g38.2.2.15

18、 EventStates 76g38.2.2.16 RestartMethod . 76g38.2.2.17 VersionSupported 76g38.2.2.18 Call Identifier 76g38.2.2.19 Connection Identifier 76g38.2.2.20 MaxMGCPDatagram 77g38.3 Response Header Formats 77g38.3.1 CreateConnection . 78g38.3.2 ModifyConnection 79g38.3.3 DeleteConnection . 79g38.3.4 Notifica

19、tionRequest 79g38.3.5 Notify 79g38.3.6 AuditEndpoint . 79g38.3.7 AuditConnection . 80g38.3.8 RestartInProgress 80g38.4 Session Description Encoding 80g38.4.1 Use of SDP . 81g38.4.2 SDP Parameters Common to both Audio (m=audio media line) and Image (m=image media line) Service Use . 81g38.4.2.1 Proto

20、col Version (v=) 81g38.4.2.2 Session Name (s=) 82g38.4.2.3 Session and Media Information (i=) 82g38.4.2.4 URI (u=) 82g38.4.2.5 E-Mail Address and Phone Number (e=, p=) 82g38.4.2.6 Connection Data (c=) 82g38.4.2.7 Bandwidth (b=) . 83g38.4.2.8 Time, Repeat Times and Time Zones (t=, r=, z=) . 83g38.4.2

21、.9 Attributes (a=) . 83g38.4.3 SDP Audio Service Use 85g3ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)58.4.3.1 Encryption Keys 85g38.4.3.2 Attributes (a=). 85g38.4.3.3 Media Announcements (m=) . 87g38.4.4 SDP Image Service Use for T.38 87g38.4.4.1 Encryption Keys: . 87g38.4.4.2 Attributes (a=). 88g38.4.4

22、.3 Media Announcements (m=) . 89g38.5 Transmission Over UDP 90g38.5.1 Reliable Message Delivery . 90g38.5.2 Retransmission Strategy . 90g38.5.3 Maximum Datagram Size, Fragmentation and Reassembly . 91g38.6 Piggy-Backing 91g38.7 Transaction identifiers and three ways handshake . 92g38.8 Provisional R

23、esponses 93g39 Security. 94g3Annex A (normative): Event Packages . 95g3A.1 ISUP Trunk Package 95g3A.2 MF FGD Operator Services Package . 98g3A.3 MF Terminating Protocol Package . 101g3A.4 FAX Package 103g3A.5 VoIP Metrics Package 103g3A.6 Vbd and GPMD packages 104g3Annex B (informative): Mode Intera

24、ctions 105g3Annex C (informative): Example Command Encodings . 107g3C.1 NotificationRequest 107g3C.2 Notify . 107g3C.3 CreateConnection . 107g3C.4 ModifyConnection . 109g3C.5 DeleteConnection (From the Media Gateway Controller) . 110g3C.6 DeleteConnection (From the Trunking gateway) . 110g3C.7 Delet

25、eConnection (Multiple Connections From the Media Gateway Controller) 110g3C.8 AuditEndpoint 111g3C.9 AuditConnection 111g3C.10 RestartInProgress . 112g3Annex D (informative): Example Call Flow . 114g3Annex E (normative): Endpoint Requirements 117g3E.1 Connection Modes Supported 117g3Annex F (informa

26、tive): Compatibility Information 118g3F.1 NCS Compatibility . 118g3F.2 MGCP Compatibility . 118g3Annex G (normative): ABNF Grammar for TGCP 120g3Annex H (normative): Electronic Surveillance 131g3ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)6H.1 MGC . 131g3H.2 MG . 131g3Annex G (informative): Bibliography

27、 . 134g3History 135g3ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)7Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-member

28、s, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to

29、the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. F

30、oreword This Technical Specification (TS) has been produced by ETSI Technical Committee Access, Terminals, Transmission and Multiplexing (ATTM). The present document is part 13 of a multi-part IPCablecom 1.5 deliverable covering the Digital Broadband Cable Access to the Public Telecommunications Net

31、work; IP Multimedia Time Critical Services, as identified below: Part 1: “Overview“; Part 2: “Architectural framework for the delivery of time critical services over Cable Television Networks using Cable Modems“; Part 3: “Audio Codec Requirements for the Provision of Bi-Directional Audio Service ove

32、r Cable Television Networks using Cable Modems“; Part 4: “Network Call Signalling Protocol“; Part 5: “Dynamic Quality of Service for the Provision of Real Time Services over Cable Television Networks using Cable Modems“; Part 6: “Event Message Specification“; Part 7: “Media Terminal Adapter (MTA Man

33、agement Information Base (MIB)“; Part 8: “Network Call Signalling (NCS) MIB Requirements“; Part 9: “Security“; Part 10: “Management Information Base (MIB) Framework“; Part 11: “Media terminal adapter (MTA) device provisioning“; Part 12: “Management Event Mechanism“; Part 13: “Trunking Gateway Contro

34、l Protocol - MGCP option“; Part 14: “Embedded MTA Analog Interface and Powering Specification“ Part 15: “Analog Trunking for PBX Specification“; Part 16: “Signalling for Call Management Server“; Part 17: “CMS Subscriber Provisioning Specification“; Part 18: “Media Terminal Adapter Extension MIB“; Pa

35、rt 19: “IPCablecom Audio Server Protocol Specification - MGCP option“; Part 20: “Management Event MIB Specification“; ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)8Part 21: “Signalling Extension MIB Specification“. NOTE 1: Additional parts may be proposed and will be added to the list in future versions.

36、 NOTE 2: The choice of a multi-part format for this deliverable is to facilitate maintenance and future enhancements. ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)91 Scope The present document is part of the IPCablecom suite of specifications. The document is based on MGCP 1.0 1 an IETF Informational RFC

37、. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) app

38、lies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. 2.1 Normative

39、references The following referenced documents are necessary for the application of the present document. 1 IETF RFC 3435: “Media Gateway Control Protocol (MGCP) Version 1.0“, January 2003. 2 IETF RFC 1889: “RTP: A Transport Protocol for Real-Time Applications“, January 1996. 3 IETF RFC 1890: “RTP Pr

40、ofile for Audio and Video Conferences with Minimal Control“, January 1996. 4 IETF RFC 2327: “SDP: Session Description Protocol“, April 1998. 5 Stevens, W. Richard: “TCP/IP Illustrated, Volume 1, The Protocols“, Addison-Wesley, 1994. 6 Telcordia GR-317: “LSSGR: Switching System Generic Requirements f

41、or Call Control Using the Integrated Services Digital Network User Part (ISDNUP)“, November 2007. 7 Telcordia TR-NPL-000258: “Compatibility Information for Feature Group D Switched Access Service“, Issue 1, October 1985. NOTE: Available at: http:/telecom- Integrated Broadband Cable and Television Ne

42、tworks; IPCablecom 1.5; Part 3: Audio Codec Requirements for the Provision of Bi-Directional Audio Service over Cable Television Networks using Cable Modems“. ETSI ETSI TS 103 161-13 V1.1.1 (2011-10)1012 ETSI ETSI TS 103 161-9: “Access, Terminals, Transmission and Multiplexing (ATTM); Integrated Bro

43、adband Cable and Television Networks; IPCablecom 1.5; Part 9: Security“. 13 ETSI TS 103 161-4: “Access, Terminals, Transmission and Multiplexing (ATTM); Integrated Broadband Cable and Television Networks; IPCablecom 1.5; Part 4: Network Call Signalling Protocol“. 14 IETF RFC 2821: “Simple Mail Trans

44、fer Protocol“, April 2001. 15 IEFT RFC 2234: “Augmented BNF for Syntax Specifications: ABNF“, November 1997. 16 ITU-T Recommendation T.30: “Procedures for Document Facsimile Transmission in the General Switched Telephone Network“, September 2005. 17 ITU-T Recommendation V.8: “Procedures for starting

45、 sessions of data transmission over the public switched telephone network“, November 2000. 18 ITU-T Recommendation V.18: “Operational and interworking requirements for DCEs operating in the text telephone mode“, November 2000. 19 ITU-T Recommendation V.21: “300 bits per second duplex modem standardi

46、zed for use in the general switched telephone network“, November 1988. 20 ITU-T Recommendation V.25: “Automatic answering equipment and general procedures for automatic calling equipment on the general switched telephone network including procedures for disabling of echo control devices for both man

47、ually and automatically established calls“, October 1996. 21 IETF RFC 2045: “Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies“, November 1996. 22 IETF RFC 2833, H. Schulzrinne, S. Petrack: “RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals“, M

48、ay 2000. 23 IETF RFC 2474: “Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers“, December 1998. 24 ITU-T Recommendation T.38: “Procedures for real-time Group 3 facsimile communication over IP networks“, September 2010. 25 IETF RFC 2198: “RTP Payload for Redundant

49、 Audio Data“, September 1997. 26 IETF RFC 3407: “Session Description Protocol (SDP) Simple Capability Declaration“, October 2002. 27 ITU-T Recommendation V.152: “Procedures for supporting voice-band data over IP networks“, September 2010. 28 IETF RFC 5347: “Media Gateway Control Protocol Fax Package“, October 2008. 29 IETF RFC 821: “Simple Mail Transfer Protocol“. 30 IETF RFC 3660: “Basic Media Gateway Control Protocol (MGCP) Packages“. 31 IETF RFC 2373: “IP Version 6 Ad

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