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

[Alejandro Cabrera Obed]

Thanks for your comment about codecs....I tell you I can't use G.711
because I use a WAN link, and this is a wide band codec.

Is GSM codec totally free (avoid to pay for any license) ???

Thnks again.

On Tue, Feb 24, 2009 at 11:50 AM, Tiago Durante <tiagodurante at gmail.com> wrote:
> 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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-- 
Alejandro Cabrera Obed
aco1967 at gmail.com
www.alejandrocabrera.com.ar