[asterisk-bugs] [JIRA] (ASTERISK-25633) Codec preference misorder

[Yury Tsaregorodtsev (JIRA)]

Yury Tsaregorodtsev created ASTERISK-25633:
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             Summary: Codec preference misorder
                 Key: ASTERISK-25633
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25633
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/CodecHandling
    Affects Versions: 11.20.0
         Environment: Ubuntu 15.10
            Reporter: Yury Tsaregorodtsev
            Severity: Critical


Asterisk misorder incoming leg codec preference.
Incoming SDP:
m=audio 24636 RTP/AVP 8 0 18 4 101
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:4 G723/8000


sip.conf
disallow=all
allow=g729,alaw,ulaw,gsm,g723


result:
[2015-12-16 23:04:20.353] DEBUG[4442][C-00011a0e] chan_sip.c: *** Our native formats are (g729)
[2015-12-16 23:04:20.353] DEBUG[4442][C-00011a0e] chan_sip.c: *** Joint capabilities are (g723|ulaw|alaw|g729)
[2015-12-16 23:04:20.353] DEBUG[4442][C-00011a0e] chan_sip.c: *** Our capabilities are (g723|gsm|ulaw|alaw|g729)
[2015-12-16 23:04:20.353] DEBUG[4442][C-00011a0e] chan_sip.c: *** AST_CODEC_CHOOSE formats are g729

Right codec suppose to be ALAW.



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