[Asterisk-Dev] MGCP patch to interoperate with Cisco IAD243X

Jeremy McNamara jj at nufone.net
Sat Dec 20 18:34:46 MST 2003

Please submit this to http://bugs.digium.com

Thank you,

Jeremy McNamara

Juan J. Sierralta P. wrote:

>	I´m trying to make work Asterisk against a Cisco IAD2431 with
>chan_mgcp. Since chan_mgcp assumes the Line package is the default which
>is not the usual with Cisco´s GW I made a little patch which signals the
>package. Also the event "cg" is on Generic Media package so I changed
>"cg" to "G/cg". I can make and receive calls know and I think it
>shouldn´t hurt others MGCP endpoints.
>	There are other problems, for example Cisco don´t like how Asterisk
>signals more than one codec, since a:PCMU;PCMA should be used instead of
>a:PCMU, a:PCMA. And chan_mgcp always uses ulaw as the default even if a
>use "allow" in mgcp.conf. I´ll try to make GSM work and some other
>stuff, like hook flash transfer and then send aonther patch since that
>could break interoperation with others mgcp GWs.
>	Who is the author of chan_mgcp ? Mark ?

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