[asterisk-bugs] [JIRA] (ASTERISK-23924) Don't know of any 0x0 (Nothing) formats

[Ross Beer (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-23924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=219937#comment-219937 ] 

Ross Beer commented on ASTERISK-23924:
--------------------------------------

Changing ';' to ',' has not resolved the issue. I have discovered that the issue occurs when a calls is made as follows:

PSTN (g722,alaw,ulaw,gsm) --> Asterisk 1 (g722,alaw,ulaw,gsm,h263,h263p,h264) --> Asterisk 2 (g722,alaw,ulaw,gsm,h263,h263p,h264) --> Phone (alaw,ulaw,gsm,h263,h263p,h264)

The calls passing from the PSTN is 'g722' and the phone only accepts 'alaw', therefore I would expect the call to be re-invited with the new codec. However Asterisk 2 is transcoding g722 <-> alaw

The call is setup and two way audio is sucessful. The issue doesn't occur if a call is made from the phone to the PSTN directly via Asterisk 2. Asterisk 1 does play a prompt before passing the call to Asterisk 2.



> Don't know of any 0x0 (Nothing) formats
> ---------------------------------------
>
>                 Key: ASTERISK-23924
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23924
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.28.2
>         Environment: Cent OS 6
>            Reporter: Ross Beer
>
> After upgrading to Asterisk 1.8.28.2 the CLI is showing lots of the following:
> [Jun 24 17:24:48] WARNING[50530]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:48] WARNING[50530]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:48] WARNING[50531]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:48] WARNING[50531]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:48] WARNING[50532]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:48] WARNING[50532]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50534]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50534]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50535]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50535]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50537]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50537]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50538]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50538]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50539]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50539]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50540]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> [Jun 24 17:24:50] WARNING[50540]: channel.c:1115 ast_best_codec: Don't know any of 0x0 (nothing) formats
> This issue is not happening on any other version, but is consistent over multiple boxes using the same realtime database. The boxes running 1.8.28.0 are not showing this message.
> I have noticed that the realtime structure has 'disallow=all' before 'allow=alaw;ulaw', would this cause an issue with any changes made in the latest release?



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