Nmedia gateway control protocol pdf

Configuring and registering a mgcp gateway with call manager. Rfc 2705 media gateway control protocol mgcp version 1. The protocol defines a means of communication between a media gateway, which converts data from the format required for a circuitswitched network to that. The advantage of this is that it creates a centralized gateway administration and provides for largely scaleable. Mgcp defined under rfc 2705 is a masterslave protocol that allows a call control device such as cisco callmanager to. Gacp gateway access control protocol in technology, it.

The media gateway control protocol architecture and its methodologies and programming interfaces are described in rfc 2805 mgcp is a masterslave protocol in which media gateways mgs are controlled by a call control agent or softswitch. The media gateway control protocol mgcp is used to control gateways that provide access to the public switched telephone network pstn, and vice versa. With the network protocol it can control each specific port on a media gateway. Pdf media gateway control protocol architecture and. Media gateway control protocol mgcp hookflash transfer in mgcp 02feb2006 tollfraud prevention feature in ios release 15. Media gateway control protocol mgcp package registry. Rfc 2805 mg control protocol requirements april 2000 media gateway unit mgunit an.

Sip is often used as the signaling protocol between. Asgcp access ss7 signaling system 7 gateway control protocol cfmacp collisionfree media access control protocol dmpdu derived mac medium access control protocol data unit. This technical specification ts has been produced by etsi technical. This recommendation allows a media gateway controller to request the media gateway to detect that after a.

Introduction this document describes requirements to be placed on the media gateway control protocol. This happens when call control devices use a plaintext protocol, mgcp, to manage ip telephony gateways. Media gateway control protocol mgcp package registry created 20020930 last updated 20625 available formats xml html plain text. Rfc 2705 media gateway control protocol mgcp october 1999 2. Rfc 3435 media gateway control protocol mgcp version 1. Understanding mgcp interactions with cisco callmanager. Media gateway control protocol mgcp, commonly known as h. When the word protocol is used on its own in this document it implicitly means the media gateway control protocol. Media gateway control protocol mgcp, also known as h. Media gateway control protocols specify a masterslave architecture for decomposed gateways. Rfc 2805 media gateway control protocol architecture and. Media gateway control protocol architecture and requirements. This document addresses how the protocol functions and how it is implemented in cisco callmanager.

The media gateway control protocol mgcp is a signaling and call control communications. Media gateway control protocol mgcp and megaco 2 mgcp and megaco gateways between ip telephony and pstn. The specification of the transformations applied to. Gateway protocols maintain and operate technotes cisco. Click on the selected format and language to get the document format. Rfc 2805 mg control protocol requirements april 2000 1. A media gateway is typically a network element that provides conversion between the audio signals carried on telephone. Media gateway control and the softswitch architecture.

Introduction this document describes an abstract application programming interface mgci and a corresponding protocol mgcp for controlling media gateways from external call control elements called media gateway controllers or call agents. A match, in this specification, can be either a perfect match, exactly matching one of. Pdf media gateway control protocol architecture and requirements. The protocol specification defines nine standard commands that are distinguished by a fourletter command verb. Media gateway control protocol mgcp is a plaintext protocol used by call control devices to manage ip telephony gateways.