Arjan Kroon | Mobillion
2011-Apr-11 09:44 UTC
[asterisk-users] Unable to negotiate codec with iax
Hi,
We are using IAX to send an inbound call to another server where we make an
outbound call.
I ran into a problem with connecting to the outbound server throu IAX.
It has to do with the codec.
Because I see the following ERROR on the outbound server: Unable to negotiate
codec
We are using asterisk version 1.8.3.1 on the inbound server
For the outbound server I used version 1.8.2.2.
(If have tested with an inbound server with version 1.8.2.2 to the outbound
server and that works fine.)
Does anybody has an idea what is the problem?
Kind Regards,
Arjan Kroon
Here the IAX debug logging on the inbound server:
INBOUND SERVER:
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW
Timestamp: 00004ms SCall: 02251 DCall: 00000 [192.168.230.19:4569]
VERSION : 2
CALLED NUMBER : TBD
FORMAT : 65535
CAPABILITY : 65535
Rx-Frame Retry[Yes] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: CTOKEN
Timestamp: 00004ms SCall: 00001 DCall: 02251 [192.168.230.19:4569]
CALLTOKEN : 51 bytes
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW
Timestamp: 00019ms SCall: 02251 DCall: 00000 [192.168.230.19:4569]
VERSION : 2
CALLED NUMBER : TBD
FORMAT : 65535
CAPABILITY : 65535
CALLTOKEN : 51 bytes
Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: ACCEPT
Timestamp: 00018ms SCall: 01413 DCall: 02251 [192.168.230.19:4569]
FORMAT : 4
FORMAT2 : unknown
-- Call accepted by 192.168.230.19 (format unknown)
[Apr 11 11:39:13] NOTICE[29383]: chan_iax2.c:10751 socket_process: Rejected call
to 192.168.230.19, format 0x400000000000000 (nothing) incompatible with our
capability 0xffff
(g723|gsm|ulaw|alaw|g726|adpcm|slin|lpc10|g729|speex|ilbc|g726aal2|g722|slin16|siren7|siren14).
Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 001 Type: IAX Subclass: REJECT
Timestamp: 00021ms SCall: 02251 DCall: 01413 [192.168.230.19:4569]
CAUSE : Unable to negotiate codec
CAUSE CODE : 58
Tx-Frame Retry[000] -- OSeqno: 002 ISeqno: 001 Type: IAX Subclass: DPREQ
Timestamp: 00024ms SCall: 02251 DCall: 01413 [192.168.230.19:4569]
CALLED NUMBER : 123
Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 002 Type: IAX Subclass: ACK
Timestamp: 00021ms SCall: 01413 DCall: 02251 [192.168.230.19:4569]
Here the IAX debug logging on the outbound server:
OUTBOUND SERVER:
Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW
Timestamp: 00007ms SCall: 02656 DCall: 00000 [192.168.230.6:4569]
VERSION : 2
CALLED NUMBER : TBD
FORMAT : 65535
CAPABILITY : 65535
Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW
Timestamp: 00017ms SCall: 02656 DCall: 00000 [192.168.230.6:4569]
VERSION : 2
CALLED NUMBER : TBD
FORMAT : 65535
CAPABILITY : 65535
CALLTOKEN : 51 bytes
-- Accepted unauthenticated TBD call from 192.168.230.6
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: ACCEPT
Timestamp: 00018ms SCall: 08696 DCall: 02656 [192.168.230.6:4569]
FORMAT : 4
FORMAT2 : ulaw
Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 001 Type: IAX Subclass: REJECT
Timestamp: 00020ms SCall: 02656 DCall: 08696 [192.168.230.6:4569]
CAUSE : Unable to negotiate codec
CAUSE CODE : 58
Tx-Frame Retry[-01] -- OSeqno: 001 ISeqno: 002 Type: IAX Subclass: ACK
Timestamp: 00020ms SCall: 08696 DCall: 02656 [192.168.230.6:4569]
Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 001 Type: IAX Subclass: DPREQ
Timestamp: 00023ms SCall: 02656 DCall: 08696 [192.168.230.6:4569]
CALLED NUMBER : 123
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On 11-04-11 05:44 AM, Arjan Kroon | Mobillion wrote:> We are using asterisk version 1.8.3.1 on the inbound server > For the outbound server I used version 1.8.2.2. > > (If have tested with an inbound server with version 1.8.2.2 to the outbound server and that works fine.) > > Does anybody has an idea what is the problem? >This is a bug and believe Asterisk 1.8.3+ fixed this. Upgrade your 1.8.2.2 box and retry. -- Paul Belanger Digium, Inc. | Software Developer twitter: pabelanger | IRC: pabelanger (Freenode) Check us out at: http://digium.com & http://asterisk.org