[asterisk-dev] [Code Review] Fix Dial m and r options generating warnings for voice frames.

[rmudgett]

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https://reviewboard.asterisk.org/r/1805/
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Review request for Asterisk Developers and Mark Michelson.


Summary
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Incoming calls that do not use ulaw will generate a bunch of warning messages and possibly fail when a DAHDI channel is then called if the Dial m or r options are used.

You get:
[Mar 6 20:39:05] WARNING[2994]: chan_dahdi.c:9061 dahdi_write: Cannot handle frames in g722 format
[Mar 6 20:39:05] WARNING[2994]: app_dial.c:1410 wait_for_answer: Unable to forward voice or dtmf

A bandaid patch was applied to silence the above warnings for each frame by setting up a translation path for future frames.  The bandaid patch also emits this warning:
Codec mismatch on channel %s setting write format to %s from %s native formats %s


This addresses bugs ASTERISK-16901 and ASTERISK-17541.
    https://issues.asterisk.org/jira/browse/ASTERISK-16901
    https://issues.asterisk.org/jira/browse/ASTERISK-17541


Diffs
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  /branches/1.8/apps/app_dial.c 358576 
  /branches/1.8/main/channel.c 358576 

Diff: https://reviewboard.asterisk.org/r/1805/diff


Testing
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Without patch, the codecs are not setup when Dial options m or r are used and the SIP codec is not ulaw.

With the patch, the voice frames are not passed and the diagnostic messages are not generated.


Thanks,

rmudgett

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