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

[Steve Kann]

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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20050125/e2317a96/attachment.htm