[Asterisk-Users] select codec based on extension

[Leandro Rzezak]

I'm having same problem. Were you able to solve it?

On 10/18/05, Simone Cittadini <mymailforlists at gmail.com> wrote:
>
> I've the following installation :
>
> |asterisk client| --- > |asterisk server| --- > |other asterisk server|
>
> all the connections are made in IAX, the client and first server allows
> 711 and 729
> the other server only allows 729 since it has low bandwidth at disposal
>
> all the numbers but a few are routed to a digium card in the first
> server, the others are routed to the other server, this way :
>
> [default]
>
> exten => _123X.,1,Dial(IAX2/otherserver/${EXTEN})
> exten => _123X.,2,Hangup
>
> exten => _X.,1,Dial(Zap/g1/${EXTEN})
> exten => _X.,2,Hangup
>
> when I call 123456 from the client box ...
>
> on the client :
> Call accepted by asterisk server (format alaw)
>
> on the server :
> Call accepted by other asterisk server (format g729)
>
> on the other server :
> Called 123456 at something
>
> and then on the server in the middle :
> Oct 18 18:00:37 NOTICE[2846]: channel.c:1724 ast_set_write_format:
> Unable to find a path from alaw to g729
> Oct 18 18:00:37 NOTICE[2846]: channel.c:1757 ast_set_read_format: Unable
> to find a path from g729 to alaw
>
> since that "something" at the end of the call and the paps which sits
> before the first asterisk server both have g729, I don't like too much
> having to pay to translate something which need not translation.
> Is there a clever combination of sip.conf, iax.conf and extensions.conf
> I'm missing to solve my problem ?
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--
Leandro Rzezak
leandror at gmail.com
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