[Asterisk-Users] Codec mismatch between SIP (BT) and IAX Phone

[Robert Rozman]

----- Original Message ----- 
From: "Steve Kann" <stevek at stevek.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tuesday, January 25, 2005 3:56 PM
Subject: Re: [Asterisk-Users] Codec mismatch between SIP (BT) and IAX Phone


> Robert Rozman wrote:
>
> >----- Original Message ----- 
> >From: <timebandit001 at gmail.com>
> >To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> ><asterisk-users at lists.digium.com>
> >Sent: Tuesday, January 25, 2005 2:44 PM
> >Subject: Re: [Asterisk-Users] Codec mismatch between SIP (BT) and IAX
Phone
> >
> >
> >
> >
> >>>(IAXPhone):
> >>>
> >>>
> >>I suppose you're talking about Steve Sokol's phone
> >>If so, then this phone only support gsm.
> >>
> >>
> >>
> >>>Jan 25 13:52:22 NOTICE[31334]: channel.c:1314 ast_read: Dropping
> >>>incompatible voice frame on IAX2/200/1 of format gsm since our native
> >>>
> >>>
> >format
> >
> >
> >>>has changed to ulaw
> >>>
> >>>Why is Asterisk not satisfied with gsm packets - it should transcode if
> >>>necessary ?
> >>>I have enabled gsm and ulaw in both configs, but it seems not
> >>>
> >>>
> >sufficient.
> >
> >
> >>Yes, * will transcode, but you specified in the IAX Phone config that
> >>you allow this one tu use gsm AND ulaw, so instead of transcoding, *
> >>just tell the IAX Phone to switch to uLaw, since the originating party
> >>sends it in ulaw.
> >>
> >>Just change your iax.conf to only allow gsm on the IAX Phone like this :
> >>
> >>disallow=all
> >>allow=gsm
> >>
> >>
> >Oh, I see my mistake. Asterisk checks settings in iax.conf and plays
> >accordingly (I thought it talks to client by himself).
> >
> >
>
> I think it should, but the old version of iaxclient that iaxphone is
> based on doesn't advertise it's supported codecs correctly..
>
> -SteveK
>
Hi,

thanks for info. Which iax softphones are using newer iaxclient ? What is
the best iax softphone from this point of view ?

REgards,

Rob.