[asterisk-bugs] [JIRA] (ASTERISK-26339) asterisk change the codec of inbound channel when bridge to another channel.

[Aaron An (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron An updated ASTERISK-26339:
--------------------------------

    Description: 
think about this scenario.
Alice call in asterisk. Asterisk dialplan answer Alice and then playback "welcome and wait to dial Bob", then dialplan dial Bob. When Bob answer the call and bridge to Alice, the codec of Alice channel read/write direction are not same.
something like this:
Alice========Asteriks==========Bob
-----G729---------->answer
<----G729-----------playback
                             dial 
                                  ----------ulaw-------->
                                  <--------ulaw---------
--------G729-------->bridged
<---------ulaw-------

this scenario will cause oneway voice on Dialogic Gateway.

  was:
think about this scenario.
Alice call in asterisk. Asterisk dialplan answer Alice and then playback "welcome and wait to dial Bob", then dialplan dial Bob. When Bob answer the call and bridge to Alice, the codec of Alice channel read/write direction are not same.
something like this:
Alice========Asteriks==========Bob
-----G729---------->answer
<----G729-----------playback
                             dial 
                                  ----------ulaw-------->
                                  <--------ulaw---------
--------G729-------->bridged
<---------ulaw-------

this senario will cause oneway voice on Dialogic Gateway.


> asterisk change the codec of inbound channel when bridge to another channel. 
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-26339
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26339
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.8.0
>         Environment: CentOS6.5x64
>            Reporter: Aaron An
>            Severity: Minor
>
> think about this scenario.
> Alice call in asterisk. Asterisk dialplan answer Alice and then playback "welcome and wait to dial Bob", then dialplan dial Bob. When Bob answer the call and bridge to Alice, the codec of Alice channel read/write direction are not same.
> something like this:
> Alice========Asteriks==========Bob
> -----G729---------->answer
> <----G729-----------playback
>                              dial 
>                                   ----------ulaw-------->
>                                   <--------ulaw---------
> --------G729-------->bridged
> <---------ulaw-------
> this scenario will cause oneway voice on Dialogic Gateway.



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