[asterisk-bugs] [JIRA] (ASTERISK-16941) Dropping incompatible voice frame on Local/ on multiple atxfer a->b->c...->d...

Tue Jan 15 11:01:45 CST 2013

    [ https://issues.asterisk.org/jira/browse/ASTERISK-16941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=201538#comment-201538 ] 

Matt Jordan commented on ASTERISK-16941:
----------------------------------------

Per the Asterisk maintenance timeline page at http://www.asterisk.org/asterisk-versions maintenance (bug) support for the 1.4 and 1.6.x branches has ended. For continued maintenance support please move to the 1.8 branch which is a long term support (LTS) branch. For more information about branch support, please see https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions.  After testing with Asterisk 1.8, if you find this problem has not been resolved, please open a new issue against Asterisk 1.8.

> Dropping incompatible voice frame on Local/ on multiple atxfer a->b->c...->d...
> -------------------------------------------------------------------------------
>
>                 Key: ASTERISK-16941
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-16941
>             Project: Asterisk
>          Issue Type: Bug
>          Components: Channels/General
>            Reporter: Carlos Diego Russo Medeiros
>            Severity: Minor
>
> Multiple warning messages on Asterisk 1.4.36: Dropping incompatible voice frame on Local/....
> when receiving calls with codec A and doing multiple attended transfers to codec B
> The first atxfer is ok.
> Reproduced with the following channel combinations
> SIP -> SIP -> SIP...
> IAX -> SIP -> SIP...
> DAHDI -> SIP -> SIP..
> Tested in different systems witch I've upgraded from 1.4.22 to 1.4.36, tested with different codecs.
> g729 -> alaw
> ilbc -> alaw
> alaw -> ilbc
> alaw -> g729
> ...
> Tried to set transcode_via_sln=no and restarting *, it has no effect.
> moh files in wav format, also tried moh files in multiple formats to avoid transcoding..
> ===============
> Test Multiple call transfer
> ===============
> A with codec X calls  B with codec Y
> B answers the call
> B attended Transfer to C -> Ok
> C attended Transfer to D -> Multiple warning messages 139.... 150 Dropping incompatible voice frame on Local/
> D attended Transfer to E -> Multiple warning messages 139.... 150 Dropping incompatible voice frame on Local/
> ...
> [Nov 10 16:12:38] NOTICE[4463] channel.c: Dropping incompatible voice frame on Local/413 at ramais-administrativo-81ea,2 of format slin since our native format has changed to 0x8 (alaw)
> ...
> [Nov 10 16:12:38] NOTICE[4463] channel.c: Dropping incompatible voice frame on Local/413 at ramais-administrativo-81ea,2 of format slin since our native format has changed to 0x8 (alaw)
> Can it cause a problem to asterisk?
> I have about 7K to 10K of this warning messages per day in all my systems with 1.4.36 version.

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