[asterisk-users] GSM codec is a good choice ???

Tiago Durante tiagodurante at gmail.com
Tue Feb 24 07:50:49 CST 2009


I'd use alaw/ulaw for everything that's local, gsm or g729 only for
remote extensions.

On 2/24/09, Philipp Kempgen <philipp.kempgen at amooma.de> wrote:
> Alejandro Cabrera Obed schrieb:
>> Dear all, I have Asterisk 1.4 with SIP. I have a voicemail implemented
>> with GSM sound files.
>>
>> The problem is I have IP phones Utopix HyperPhone 202 which support
>> only G.729a/u and G.723.1 high/low, but not GSM.
>
> http://www.utopixnetworks.com.ar/ip_phones_hiperphone_202.php
> According to the web site the Utopix HiperPhone 202 and 112
> support G.711a/u (alaw/ulaw) as well.
> So why not use G.711a for everything?
>
>
>     Philipp Kempgen
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Tiago Durante

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