[Asterisk-Users] Speech between Grandstream phones sounds like talking under water

[Greg Boehnlein]

On Tue, 17 Feb 2004, Rana Dutt wrote:

> I was able to solve the audio quality problem by going to
> www.grandstream.com/BETATEST and downloading the latest beta firmware,
> version 1.0.4.46.

I wish their Beta Releases actually had a file that showed what 
changes/fixes/updates have been made to the firmware. It's kind of like 
the blind leading the blind. :)
 
>  -----Original Message-----
> From: 	asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com]  On Behalf Of Philipp von
> Klitzing
> Sent:	Tuesday, February 17, 2004 7:14 AM
> To:	asterisk-users at lists.digium.com
> Subject:	Re: [Asterisk-Users] Speech between Grandstream phones sounds like
> talking under water
> 
> Hi!
> 
> You need to add this to EACH and EVERY sip user, not just in [general]:
> 
> disallow=all
> allow=ulaw
> allow=alaw
> 
> See also:
> http://www.voip-info.org/wiki-Asterisk+phone+grandstream+budgetone
> 
> Cheers, Philipp
> 
> 
> > [200]
> > type=friend
> > username=200
> > host=dynamic
> > context=home
> > reinvite=no
> > canreinvite=no
> >
> > [201]
> > type=friend
> > username=201
> > host=dynamic
> > context=home
> > reinvite=no
> > canreinvite=no
> >
> > I turned on sip debug, and noticed the following in the output:
> >
> > v=0
> > s=SIP Call
> > c= IN IP4 192.168.2.29
> > m= audio 5004 RTP/AVP 0
> > a=rptmap:0 PCMU/8000
> > a=ptime:20
> >
> > Found audio format UNKN
> > Found description format PCMU
> > Capabilities: us - 4, them 4/0, combined - 4
> > Non-codec capabilities: us - 1, them - 0, combined 0
> >
> > Does anyone know why this could be happening? Thanks,
> >
> > Ron
> >
> >
> >
> >
> 
> 
> 
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