[asterisk-bugs] [JIRA] (ASTERISK-25428) Codec Negotation failed in transfer Szenario between two Server

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-25428:
------------------------------------

    Assignee: Peter Katzmann
      Status: Waiting for Feedback  (was: Triage)

It isn't immediately clear what the issue is. Please attach a new pcap and new logs, as well as the sip configuration.

For troubleshooting purposes the calls in the logs should match the calls in the pcap. Please make sure the log additionally includes the output of "sip set debug on"

Thanks!

> Codec Negotation failed in transfer Szenario between two Server
> ---------------------------------------------------------------
>
>                 Key: ASTERISK-25428
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25428
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/CodecHandling
>    Affects Versions: 11.19.0
>         Environment: ubuntu precise and trusty
>            Reporter: Peter Katzmann
>            Assignee: Peter Katzmann
>         Attachments: codec_neg_prob.pcap, servear_a.log, servear_b.log, servera_sip.conf, serverb_sip.conf
>
>
> There are two Servers (A and B) connected over wan via silk and speex
> There is user 7000 on Server A and user 8000 on Server B.
> Voicemail will only be handled from server A.
> User 8000 has forwarding to voicemail after 5 Seks.
> Now User 7000 calls user 8000, when User 8000 picks up teh phone everything is OK.
> If the call is expired it will be forwarded to the voicemail server A, in this case the call fails with no acceptable codec offer.
> When i modify the sip conf for server A or Server B to alow ulaw/alaw or g722 voicemail works as expected.



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