[asterisk-users] G.722: ast_channel_make_compatible failure

[Ondrej Valousek]

Hi all,

I have an interesting problem with Asterisk 1.4.11 - 3 SIP phones:

[phone1]
allow=g722
allow=alaw
....

[phone2]
allow=alaw
allow=g722
....

[phone3]
allow=alaw


Now, when I try to call:
1. phone1 calling phone2, I got through, using G.722 codec
2. phone2 calling phone1, I get through, using Alaw
3. phone3 calling phone1 or phone2, OK using Alaw
But:
4. phone1 calling phone3 fails:

[Sep 20 10:14:32] WARNING[30706]: chan_sip.c:2963 sip_call: No audio
format found to offer. Cancelling call to phone3


Any ideas what could be wrong?
Many thanks for any suggestion....

Ondrej

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