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Media Gateway Control Protocol (MGCP) Version 1.0 (RFC2705)

IP.com Disclosure Number: IPCOM000003299D
Original Publication Date: 1999-Oct-01
Included in the Prior Art Database: 2019-Feb-10

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Arango: AUTHOR [+4]

Related Documents

10.17487/RFC2705: DOI

Abstract

This document describes an application programming interface and a corresponding protocol (MGCP) for controlling Voice over IP (VoIP) Gateways from external call control elements. MGCP assumes a call control architecture where the call control "intelligence" is outside the gateways and handled by external call control elements. This memo provides information for the Internet community.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 2% of the total text.

Network Working Group M. Arango Request for Comments: 2705 RSL COM Category: Informational A. Dugan I. Elliott Level3 Communications C. Huitema Telcordia S. Pickett Vertical Networks October 1999

Media Gateway Control Protocol (MGCP) Version 1.0

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

IESG NOTE:

This document is being published for the information of the community. It describes a protocol that is currently being deployed in a number of products. Implementers should be aware of developments in the IETF Megaco Working Group and ITF-T SG16 who are currently working on a potential successor to this protocol.

Abstract

This document describes an application programming interface and a corresponding protocol (MGCP) for controlling Voice over IP (VoIP) Gateways from external call control elements. MGCP assumes a call control architecture where the call control "intelligence" is outside the gateways and handled by external call control elements.

The document is structured in 6 main sections:

* The introduction presents the basic assumptions and the relation to other protocols such as H.323, RTSP, SAP or SIP.

Arango, et al. Informational [Page 1]

RFC 2705 Media Gateway Control Protocol (MGCP) October 1999

* The interface section presents a conceptual overview of the MGCP, presenting the naming conventions, the usage of the session description protocol SDP, and the procedures that compose MGCP: Notifications Request, Notification, Create Connection, Modify Connection, Delete Connection, AuditEndpoint, AuditConnection and RestartInProgress.

* The protocol description section presents the MGCP encodings, which are based on simple text formats, and the transmission procedure over UDP.

* The security section presents the security requirement of MGCP, and its usage of IP security services (IPSEC).

* The event packages section provides an initial definition of packages and event names.

* The description of the changes made in combining SGCP 1.1 and IPDC to create MGCP 1.0.

Table of Contents

1. Introduction .............................................. 5 1.1. Relation with the H.323 standards .................... 7 1.2. Relation with the IETF standards ..................... 8 1.3. Definitions .......................................... 9 2. Media Gateway Control Interface ........................... 9 2.1. Model and naming conventions. ........................ 10 2.1.1. Types of endpoints .............................. 10 2.1.1.1. Digital channel (DS0) ...................... 11 2.1.1.2. Analog line ................................ 11 2.1.1.3. Annoucement server access point ............ 12 2.1.1.4. Interactive Voice Response access point .... 12 2.1.1.5. Conference bridge access point ............. 13 2.1.1.6. Packet relay ..............................

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