[asterisk-bugs] [JIRA] (ASTERISK-25428) Codec negotation fails 'No compatible codecs, not accepting this offer!' in transfer scenario between two servers when using SILK and SPEEX

Rusty Newton (JIRA) noreply at issues.asterisk.org
Fri Oct 16 17:49:33 CDT 2015


    [ https://issues.asterisk.org/jira/browse/ASTERISK-25428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=227921#comment-227921 ] 

Rusty Newton edited comment on ASTERISK-25428 at 10/16/15 5:48 PM:
-------------------------------------------------------------------

Yeah I see where the INVITE comes in to asterisk-Standort_A
{noformat}
[Oct  1 14:51:09] VERBOSE[3029][C-00000014] chan_sip.c: Found peer 'asterisk-Standort_A' for 'asterisk-Standort_A' from 10.1.0.16:5060
{noformat}
and then we see the No compatible codecs..
{noformat}
[Oct  1 14:51:09] NOTICE[3029][C-00000014] chan_sip.c: No compatible codecs, not accepting this offer!
{noformat}
Out goes a 488 not acceptable here.

Looking at the offer and looking at the configuration for asterisk-Standort_A .. I'm not sure why Asterisk is responding the way it is. Looks unexpected certainly.


was (Author: rnewton):
Yeah I see where the call comes back to asterisk-Standort_A
{noformat}
[Oct  1 14:51:09] VERBOSE[3029][C-00000014] chan_sip.c: Found peer 'asterisk-Standort_A' for 'asterisk-Standort_A' from 10.1.0.16:5060
{noformat}
and then we see the No compatible codecs..
{noformat}
[Oct  1 14:51:09] NOTICE[3029][C-00000014] chan_sip.c: No compatible codecs, not accepting this offer!
{noformat}
Out goes a 488 not acceptable here.

Looking at the offer and looking at the configuration for asterisk-Standort_A .. I'm not sure why Asterisk is responding the way it is. Looks unexpected certainly.

> Codec negotation fails 'No compatible codecs, not accepting this offer!' in transfer scenario between two servers when using SILK and SPEEX
> -------------------------------------------------------------------------------------------------------------------------------------------
>
>                 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: Unassigned
>         Attachments: codec_neg_prob.pcap, servear_a.log, servear_b.log, servera.log, servera_sip.conf, servera.sip.conf, serverb.log, serverb_sip.conf, serverb.sip.conf, vmfail2.pcap
>
>
> 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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