GB/T 28524-2012 English PDF

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GB/T 28524-2012: Media gateway control protocol (MGCP)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28524-2012	1979	Add to Cart	13 days	Media gateway control protocol (MGCP)	Valid

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Basic data

Standard ID: GB/T 28524-2012 (GB/T28524-2012)
Description (Translated English): Media gateway control protocol (MGCP)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M12
Classification of International Standard: 33.040.30
Word Count Estimation: 90,925
Quoted Standard: YDN 065; IETF RFC 1034; IETF RFC 2821; IETF RFC 4301; IETF RFC 4302-2005; IETF RFC 4303-2005; IETF RFC 4566; IETF RFC 5234
Regulation (derived from): National Standards Bulletin No. 13 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the media gateway and media gateway controller (or soft switching equipment) for communication used between the MGCP protocol requirements, including the call model, order, protocol message formats, protocols send requests, status,

GB/T 28524-2012: Media gateway control protocol (MGCP)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Media gateway control protocol (MGCP) ICS 33.040.30 M12 National Standards of People's Republic of China Media Gateway Control Protocol (MGCP) Issued on. 2012-06-29 2012-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 3.2 Acronyms 3 4 Call Model 4 4.1 Overview 4 4.2 endpoint 4 4.3 Endpoint identification 5 4.4 Call and Connection 5 4.5 Resource Management and connection properties 8 4.6 local connection 8 4.7 MGC naming 9 4.8 DigitMap 9 4.9 package (Package) 10 4.10 events and signals (EventandSignal) 11 5 Command 12 5.1 Overview 12 5.2 EndpointConfiguration command 13 5.3 NotificationRequest command 13 5.4 Notify command 15 5.5 CreateConnection command 16 5.6 ModifyConnection command 17 5.7 DeleteConnection command 18 5.8 AuditEndpoint command 20 5.9 AuditConnection command 21 5.10 RestartInProgress command 21 5.11 response code and error codes 22 5.12 Restart Cause value 24 6 24 protocol message format 6.1 Overview 24 6.2 Command head 25 6.3 response headers 33 7 protocol transfer request 35 7.1 Overview 35 7.2 "At-Most-Once" mechanism 35 7.3 TransactionID 35 and three-way handshake 7.4 retransmission timing mechanism 35 7.5 The maximum packet length protocols 35 7.6 Message transfer 36 carries 7.7 Provisional Response 36 8 status, fault status 36 switching and out of order 8.1 Overview 36 8.2 MGC fault switchover 37 8.3 Communication with the media gateway 38 8.4 retransmission detecting association lost 38 8.5 out of order for 40 9 Protocol security requirements 49 9.1 Overview 49 9.2 Ipsec transfer MGCP protocol message (optional) 49 9.3 Protection of media connections 50 9.4 authentication mechanism (optional) 50 10 heartbeat mechanism (optional) 50 10.1 Overview 50 Heartbeat mechanism 50 10.2 MGC control 50 10.3 MG heartbeat mechanism control 11 package (package) 51 Appendix A (normative) The standard protocol described in ABNF syntax 52 A.1 ABNF syntax definitions 52 Appendix B (Normative Appendix) MGCP protocol basic package 59 B.1 Overview 59 B.2 Basic Media Pack 59 B.3 DTMF package 60 B.4 MF pack 61 B.5 trunk circuit pack 62 B.6 analog line package 63 B.7 cordless phone package 65 B.8 RTP packet 66 B.9 network access server package 67 B.10 Notification Server package 67 B.11 script package 68 Appendix C (Informative Appendix) MGCP protocol media gateway and media resource server operating requirements 69 C.1 Overview 69 Operation C.2 IAD equipment requirements 69 C.3 media resource server operating requirements 71 Annex D (informative) --- Media Gateway Media Gateway Controller Communications Process 73 D.1 MGC restart process 73 D.2 media gateway registration process 73 D.3 media gateway cancellation process 73 D.4 call setup process 74 D.5 call release procedure 75 D.6 T.38 fax process 76 Annex E (informative) Media Gateway Media Gateway Controller authentication mechanism --- 79 E.1 Overview 79 E.2 authentication process 79 E.3 Authentication Extension 80 Annex F (informative) fax package 82 F.1 Overview 82 F.2 fax package 82 Annex G (informative) permanent event package 84 G.1 Overview 84 G.2 permanent event 84

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. The standard by the China Communications Standards Association. This standard was drafted. the Ministry of Industry and Information Technology and Telecommunications Research Institute, Shanghai Bell Co., Ltd., ZTE Corporation. The main drafters of this standard. Wu Jing, Bing. Media Gateway Control Protocol (MGCP)

1 Scope

This standard specifies the use MGCP protocol for communication between the media gateway and media gateway controller (or softswitch) when you want to Requirements, including the call model, command protocol message formats, protocols send request, state failure and switching out of order, the security protocol requirements, heartbeat Mechanisms and other aspects of the package contents. This standard applies to the media gateway (including IP trunking media gateways, ATM trunk media gateways, integrated access media gateways, integrated access The equipment and support MGCP IP phones Intelligent Terminal), media gateway and softswitch equipment control devices.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. YDN065 Ministry of Posts and telephone exchange equipment technical specification IETFRFC1034 Domain. Concepts and Facilities (Domainnames-Conceptsandfacilities) IETFRFC2821 Simple Mail Transfer Protocol (Simplemailtransferprotocol) IETFRFC4301 IP Protocol Security Mechanism (Securityarchitecturefortheinternetprotocol) IETFRFC4302 (2005) IP Authentication Header (IPAuthenticationheader) IETFRFC4303 (2005) IP Encapsulating Security Payload (IPEncapsulatingsecuritypayload (ESP)) IETFRFC4566 SDP. session description protocol (SDP. Sessiondescriptionprotocol) IETFRFC5234 ABNF syntax rules (AugmentedBNFforsyntaxspecifications. ABNF) 3 Terms and definitions, abbreviations 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 Softswitch softswitch Is one of the core packet network equipment, it is mainly to complete the call control, control, media gateway access resource allocation, protocol processing, routing, recognition Card, billing and other major features, and can provide basic voice services to users, mobile services, multimedia services, and other business. 3.1.2 MGC mediagatewaycontroler Responsible for media gateway and media channel connection control part related to call state control. 3.1.3 Media Gateway mediagateway A network of the media into another media format required by the network. For example. the media gateway can be in the circuit switched network Convert between bearers and packet network media streams can handle audio, video or T.120 agreement to be equipped to handle these three Any combination of the ability of persons, capable of full duplex media translations, can demonstrate video/audio messages, to realize other IVR functions, can also be For media conferences. ......

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