[Asterisk-Users] Snom100 GSM

[Tamas Levente]

Actually this is waht happens in connection with it:
WARNING[16400]: File dsp.c, Line 1107 (ast_dsp_process): Unable to detect
process 2 frames

----- Original Message ----- 
From: "Tamas Levente" <levi at tamisoft.com>
To: <levi at televersions.com>
Sent: Friday, May 16, 2003 5:42 PM
Subject: Re: [Asterisk-Users] Snom100 GSM


> See, so there should be an option in asterisk sip conf or somewhere which
> codec to use. Tha M$GSM or the GSM. Cos it's really a bad thing to use
snom
> 100 on DSL with uncomressed audio.
>
> ----- Original Message ----- 
> From: "Steven Critchfield" <critch at basesys.com>
> To: <levi at televersions.com>
> Sent: Friday, May 16, 2003 5:24 PM
> Subject: RE: [Asterisk-Users] Snom100 GSM
>
>
> > On Fri, 2003-05-16 at 10:13, Gary wrote:
> > > On Fri, 16 May 2003 11:05:47 -0400, Wade Weppler wrote:
> > >
> > > >The latest SNOM 100 firmware seems to help a bit, but GSM is still
> unusable.
> > > >This seems to be a SNOM problem, and not an Asterisk problem, as
other
> GSM
> > > >SIP phones work fine (X-lite).
> > >
> > > Are you sure ??
> > >
> > > with the x-ten lite, gsm seems choppy, yet g711 is clear as a bell.
> > >
> > > i'm wondering that maybe is might be a gsm prob ?
> >
> > For those that either cross between linux and windows, be aware that the
> > way GSM is represented is different. A GSM frame is 32.5 bytes. On
> > Windows they place 2 32.5 byte frames together shifting the second frame
> > down half a byte to make a 65 byte packet containing 2 frames. On unix
> > systems, it is standard to just ignore the final 4 bits of the frame,
> > and therefore we can transmit in 33 byte packets a frame and we don't
> > use any bit shifting. I'm sure this is where most problems with GSM come
> > from.
> > -- 
> > Steven Critchfield  <critch at basesys.com>
> >
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> >
>
>
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