[Asterisk-Users] Automatic Codec change for different communication channels!?

Kib Eki kibeki at gmx.net
Tue May 31 05:49:22 MST 2005


could you please give more information concerning this setting?

Pavel Jezek wrote:

> you can try use variable "preffered_codec" in dial command (if you now 
> the prefixes/dial numbers, for which to use eg. g729)...
> PJ
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> Kib Eki wrote:
>
>> Hi,
>>
>> I am looking for a way to let * choose the voice codec relying to the 
>> used communication channel.
>>
>> Example
>> I am using a Polycom 500 which supports G729 and G.711.
>> When I am doing internal calls (with my LAN) or calls over the PSTN 
>> (ISDN) I want to use the G.711 codec because there is enough bandwith.
>> When I am doing inter asterisk calls (over my WAN to another * 
>> server) I want to use G.729.
>>
>> Is there a way how i can achieve this?
>>
>> Kib
>>
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>
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