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

[Alejandro Cabrera Obed]

Yes, there is a WAN among the hardphones and my Asterisk server.

I know the GSM bitrate is about 31 Kbps.

Thanks

On Tue, Feb 24, 2009 at 1:41 PM, Olivier <oza-4h07 at myamail.com> wrote:
>
>
> 2009/2/24 Alejandro Cabrera Obed <aco1967 at gmail.com>
>>
>> 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) ???
>
> yes !
> Is there a WAN between your hardphones and Asterisk ?
>>
>>
>> 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
>> >> --
>> >> AMOOCON 2009, May 4-5, Rostock / Germany   ->  http://www.amoocon.de
>> >> Asterisk: http://the-asterisk-book.com - http://das-asterisk-buch.de
>> >> AMOOMA GmbH - Bachstr. 126 - 56566 Neuwied  ->  http://www.amooma.de
>> >> Geschäftsführer: Stefan Wintermeyer, Handelsregister: Neuwied B14998
>> >> --
>> >>
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>> >
>> > --
>> > Sent from my mobile device
>> >
>> > Tiago Durante
>> >
>> > ,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,
>> > Perseverance is the hard work you do after you
>> > get tired of doing the hard work you already did.
>> > -- Newt Gingrich
>> >
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>>
>>
>> --
>> Alejandro Cabrera Obed
>> aco1967 at gmail.com
>> www.alejandrocabrera.com.ar
>>
>> _______________________________________________
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>>
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>
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-- 
Alejandro Cabrera Obed
aco1967 at gmail.com
www.alejandrocabrera.com.ar