[Asterisk-Users] I cannot use G711 (ulaw|alaw)

[Dan]

Hi,

> I'm trying to use ulaw and alaw with Diax and Asterisk but I'm not able 
> to, I got the following error message:
>
> Mar 20 11:47:59 NOTICE[7099]: chan_iax2.c:6350 socket_read: Rejected 
> connect attempt from 192.168.0.55, requested/capability 0x8/0xc 
> incompatible with our capability 0xfe02.
>
> I do not understand why because my Asterisk box load these codecs 
> properly!
>
> Does somebody know why?
>

You must check the available codecs for the user used by DIAX in iax.conf

In your case:
0xfe02 means that the possible codecs to be used by Asterisk in that call 
are:
GSM, SPEEX,  ILBC
and not aLaw/uLaw.

Best regards,
Dan