[Asterisk-Users] Call between G.711 and GSM

[Tjardick van der Kraan]

The GSM codec in X-Lite is not compatible with the GSM codec used in *.

I know X-ten is working on a new versio with a different code instead of
GSM...

Greetings,

Tjardick

----- Original Message ----- 
From: "Dan" <dtoma at fx.ro>
To: <asterisk-users at lists.digium.com>
Sent: Monday, May 19, 2003 12:36 PM
Subject: [Asterisk-Users] Call between G.711 and GSM


> Hi all,
>
> I have a Cisco 7960 IP PHONE and an X-Lite soft phone, both connected to
an
> Asterisk PBX as SIP phones.
> If G.711 codec is used by both phones (GSM codec disabled on X-Lite), the
> sound is perfect.
> When I enable GSM on X-Lite, it tends to use it for any call and then
> Asterisk make a conversion between GSM and G.711 (I'm right with this
> one???).
> The call is established, 7960 display the used codec as G.711 and X-Lite
as
> GSM, but all I can hear is only a lot of noise. The music on hold feature
> works ok on both sides.
>
> How can I do to use this type of configuration?
> 7960 does not have GSM codec, nor G.723 and I have no G.729 on X-Lite.
> I want to be able to use it where G.711 is not suitable because of the
> available bandwidth.
> Cisco 7960 is in the same LAN as Asterisk PBX, but X-Lite client ie
> remotely, over a not so good link (but perfect for GSM codec).
> Any suggestions?
>
> Thanks,
> Dan
>
>
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