[Asterisk-Users] format g729 and Voxee.com

[Rich Adamson]

> I have just signed up with Voxee.com and have attached my Asterisk
> server to dial them via  IAX2.
> 
> Below is the start of the log which dials the number  and promply
> hangs up when the call is answered, with the logs saying that the
> channel is not compatiable.
> 
> I have traced this down to the g.729 codec which I don't have
> installed.  Any ideas on how to force that the codec not be used?
> 
> BTW,  I have disallow=all and allow only the codecs that I want to use
> in both iax.conf and sip.conf.
> 
> Best Regards,
> 
> Todd Reese
> 
> 
> 
>    -- Executing SetCallerID("SIP/201-fbb8", "6788896066") in new stack
>     -- Executing Dial("SIP/201-fbb8",
> "IAX2/134:XXXXXXXX at 66.246.246.52/17702561571") in new stack
>     -- Called 134:XXXXXXX at 66.246.246.52/17702561571
>     -- Call accepted by 66.246.246.52 (format g729)
>     -- Format for call is g729
> Jun  8 18:48:41 NOTICE[6073]: channel.c:1884 set_format: Unable to
> find a path from g729 to gsm
> Jun  8 18:48:41 NOTICE[6073]: channel.c:1884 set_format: Unable to
> find a path from g729 to gsm
> Jun  8 18:48:42 NOTICE[6073]: channel.c:1884 set_format: Unable to
> find a path from g729 to gsm
> Jun  8 18:48:42 WARNING[6405]: chan_sip.c:2170 sip_write: Asked to
> transmit frame type 256, while native formats is 2 (read/write = 2/2)
> Jun  8 18:48:42 WARNING[6405]: chan_sip.c:2170 sip_write: Asked to
> transmit frame type 256, while native formats is 2 (read/write = 2/2)
> Jun  8 18:48:42 WARNING[6405]: chan_sip.c:2170 sip_write: Asked to
> transmit frame type 256, while native formats is 2 (read/write = 2/2)
> 
> 
> ............................
> 
> 
> Jun  8 18:48:51 WARNING[6405]: chan_sip.c:2170 sip_write: Asked to
> transmit frame type 256, while native formats is 2 (read/write = 2/2)
> Jun  8 18:48:51 WARNING[6405]: chan_sip.c:2170 sip_write: Asked to
> transmit frame type 256, while native formats is 2 (read/write = 2/2)
>     -- IAX2/66.246.246.52:4569-7 answered SIP/201-fbb8
> Jun  8 18:48:51 WARNING[6405]: channel.c:2308
> ast_channel_make_compatible: No path to translate from SIP/201-fbb8(2)
> to IAX2/66.246.246.52:4569-7(256)
> Jun  8 18:48:51 WARNING[6405]: app_dial.c:1324 dial_exec_full: Had to
> drop call because I couldn't make SIP/201-fbb8 compatible with
> IAX2/66.246.246.52:4569-7
>     -- Hungup 'IAX2/66.246.246.52:4569-7'
>   == Spawn extension (local-access, 17702561571, 2) exited non-zero on
> 'SIP/201-fbb8'

The above implies that Voxee.com is configured for g729 only. I don't
use this itsp, but you might check their web site or call them to
see what codec options are available.

The flip side is go order and install g729 from digium.