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Klaus Darilion a écrit :
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Emmanuel BUU schrieb:
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<pre wrap="">aster vdo a écrit :
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<pre wrap=""> This solution perfcectly works on SIP channels but on real
time that is with the h324m and Zap channels there is no audio of
caller or the callee passed to the Spy channel, video works fine.I
dont see asterisk generating any error but the audo is still missing.
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<pre wrap="">Ok, I know why this is not working. Zap / h324m are using amr codec for
audio and app_conference does not support this.
A minor modification to app_conference source is required to support amr
(hint: add a transcoder).
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Is it really necessary to extend app_conference? When the AMR codec is
installed to asterisk, asterisk should do the transcoding itself.
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Well, as far as I understand app_conference, the app request
transcoding explicitly to SLINEAR using asterisk audio transcoding
mechanism of course.<br>
Mihai would explain it more clearly and also the reasons why AMR is not
supported (licencing issues, non standard AST_FORMAT_AMR definitions
...)<br>
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regards
klaus
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