Maps megaco protocol emulatormegaco protocol emulation. Megaco media gateway control protocol specifie par lietf dans le rfc 3525. The opnet model allows for multicall and multiconnection scenarios, where any number of media gateways. The media gateway control protocol mgcp is a signaling and call control communications protocol used in voice over ip voip telecommunication systems. In this paper, we describe the opnet implementation of megaco h. Several basic packages are described in the megaco specification. Standardstrack for the definition of status, see rfc 2026. It implements the media gateway control protocol architecture for controlling media gateways connected to the public switched. It provides broadly equivalent functionality and has a very similar structure. Parallel to megaco and mgcp efforts by ietf, itut was evaluating multiple options and in april 1999 itut sg16 adopted megaco version 0. The megaco application is a framework for building applications on top of the megaco h. Specification of basic encoding rules ber, panataleo standards track expires july 2002 9 megacoh.
Megaco media gateway control protocol architecture is a a signaling protocol that enables switching of voice, fax and multimedia calls between the pstn and ip networks. A mediagateway mgw as its name says is a system used as a gateway for media. Profile names shall be in accordance with the registration rule in section 14. Maps megaco also supports high volume of calls with traffic simulation using gls hd rtp. For example, in mgcp a call can use an endpoint mode conference to manage the stream mixing, but it cannot achieve the fine grain control of h. Scribd is the worlds largest social reading and publishing site. The profile itself specifies what options associated with h. The iad card, from the network administration perspective, is an endpoint on the ip network. Megaco instructs media gateways mg to connect streams coming from outside a packet network on to a packet stream such as rtp. Designed for decomposed gateway architectures, softils 3gpp and tispan imscompliant highlyscalable megaco h. This document records the errors found in the megaco h. There is a special type of context, the null context, which contains all terminations that are not associated to any other termination.
For the electra elite ipk system technician, it is just like any other electronic station interface. Pdf in this paper, we describe the opnet implementation of megacoh. Overview of mobility and collaboration, definitions, protocols and procedures. This internetdraft will expire on april 25, 2005 abstract the megacoh. The serial number will be used to identify the package in the binarycoded version of the megacoh. Media gateway control protocols were established for the need of ip networks to interwork with traditional telephony systems and provide support for largescale phonetophone deployments. The cs core network includes the msc server, gmsc server and media gateways.
The call flow diagrams abstract the protocol messages exchanged between the mg and the mgc. Sometimes its also referred as gcp gateway control protocol. The megaco media gateway control protocol, rfc 3015 also published as itut recommendation h. In case of dispute, the reference shall be the printing on etsi printers of the pdf version kept on a specific. Megaco and sip internetworking columbia university. In masterslave architecture, the media gateway controller mgc is the master server and media. This manual describes the megaco application, as a component of the erlangopen telecom. Typeset in latex from sgml source using the docbuilder 3. This reduces application development time and eliminates the need for developers to have indepth knowledge of megaco h. Itut sg16 introduced multimedia context into the protocol in. It looks like there is also an example on martin on 42707, luis ontanon wrote. The protocol responds to the requirements documented in rfc 2805. Profiles may be specified to further define how the h. Megaco1 media gateway control protocol exploded gatekeeper model of h.
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