[asterisk-bugs] [JIRA] (ASTERISK-29327) Issue related to Transfer of call to external number : Constant poor audio and frequent drop of call

[Joshua C. Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=254065#comment-254065 ] 

Joshua C. Colp commented on ASTERISK-29327:
-------------------------------------------

We appreciate the difficulties you are facing, however this does not appear to be a bug report and your request or comments would be better served in a different forum.

The Asterisk community provides support over IRC, mailing lists, and forums as described at http://asterisk.org/community. The Asterisk issue tracker is used specifically to track issues concerning bugs and documentation errors.

Please see the Asterisk Issue Guidelines [1] for instruction on the intended use of the Asterisk issue tracker.

Thanks!

[1] https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines



> Issue related to Transfer of call to external number  : Constant poor audio and frequent drop of call
> -----------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-29327
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29327
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip, Channels/chan_sip/Interoperability, Channels/chan_sip/Transfers, PBX/pbx_config
>    Affects Versions: 16.8.0
>            Reporter: Prune
>            Severity: Major
>
> Architecture:
> We are interconnected in SS7
> Our "class 5" ISwitch translated into SIP
> The traffic is sent to our Asterisk server.
> We use:
> - PJSIP channels
>  - 711u
> - The 711a and 711u codecs are used in the ISwitch.
> We have no problem with incoming and outgoing calls to an external number.
> Call forwarding to an external number works well;
> But, any TRANSFER to an external number creates an audio problem and sometimes an interruption of the call.
> 1 / Audio problem when transferring to an external number:
> - No sound at all after a few moments,
> then the conversation is audible again.
> - White noise / cracking
> We noticed an audio problem with the transfer to a landline;
> but, the transfer to the cell phone no problem noticed.
> We don't have a lot of traffic because we are still testing the call manager so we don't think it's coming from bandwidth.
> 2 / Call stopping after some time after a transfer:
> From time to time we have the loss of the transferred call and the callback of the transferred customer.
> Example: we transfer a call to an agent, the caller and the agent are both talking; then the call is terminated and returned to the call manager. The call manager should take the call back and transfer another time. The agent is not on the line after the call is disconnected.
> The customer did not decide to hang up and was interrupted in the middle of the conversation.
> Thanks for your precious help.



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