Title: Media Gateway Control Protocol (MGCP) Version 1.0
Author(s): M. Arango, A. Dugan, I. Elliott, C. Huitema, S. Pickett.
Status: INFORMATIONAL
Date: Oct 1999
Length: 304056
Obsoleted by: RFC3435
Updated by: RFC3660
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.
* 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.
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