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

Dan dtoma at fx.ro
Mon May 19 04:18:37 MST 2003


Hi,

> The GSM codec in X-Lite is not compatible with the GSM codec used in *.
I do not agree with you.
When I call voicemail from X-Lite with GSM codec only, the sound is ok, so
there is a compatibility between X-Lite and Asterisk GSM codec.

BR,
Dan
----- Original Message -----
From: "Tjardick van der Kraan" <tjardick at vanderkraan.net>
To: <asterisk-users at lists.digium.com>
Sent: Monday, May 19, 2003 1:59 PM
Subject: Re: [Asterisk-Users] Call between G.711 and GSM


> 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
> >
> >
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> >
> >
>
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