[Freeswitch-users] Freeswitch 1.6.19 and T.38 / INCOMPATIBLE_DESTINATION

Fri Apr 27 17:03:19 UTC 2018

As noted in that bug it was closed can’t reproduce.  Please follow the requests in that bug to get this looked at.

> On Apr 27, 2018, at 4:18 AM, Dominique Jeannerod <dominique.jeannerod at interact-iv.com> wrote:
> 
> Yes, you're right, and i apologize for that.
> I tested in the meantime (sent another mail in parallel), and it still doesn't work.
> I have the same error as in JIRA 10422 : https://freeswitch.org/jira/browse/FS-10422 <https://freeswitch.org/jira/browse/FS-10422>
> 
> I've got " T38 IS NOT POSSIBLE on request " on the FIRST invite (not a RE-INVITE)
> 
> 
> 2018-04-27 9:40 GMT+02:00 Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com>>:
> Think you not applied recommendation
> 
> If you wish to retain the previous behavior you can set fax_enable_t38=true
> in your vars.xml, You can also not set that and just set refuse_t38=true if
> you wish to never do t.38.
> 
> пт, 27 апр. 2018 г. в 10:03, Dominique Jeannerod <dominique.jeannerod at interact-iv.com <mailto:dominique.jeannerod at interact-iv.com>>:
> Thanks a lot for this answer.
> I already read this information mail, and read the changes done for t38 re-invite.
> The problem i have is NOT on the reinvite but directly on the first invite of the Call
> Do you think the behaviour also changed for the first invite ?
> 
> Anyway, i will try the new configuration parameter, and test if it fixes my problem.
> My short term fallback plan would just be to downgrade to the 1.6.8 version we already have on production.
> 
> 
> Le jeu. 26 avr. 2018 à 23:52, Michael Jerris <mike at jerris.com <mailto:mike at jerris.com>> a écrit :
> http://lists.freeswitch.org/pipermail/freeswitch-users/2017-January/124459.html <http://lists.freeswitch.org/pipermail/freeswitch-users/2017-January/124459.html>
> 
>> On Apr 26, 2018, at 5:20 PM, Dominique Jeannerod <dominique.jeannerod at interact-iv.com <mailto:dominique.jeannerod at interact-iv.com>> wrote:
>> 
>> Hello,
>> 
>> I currently use Freeswitch 1.6.8-1 in production, and have some ISDN gateways sending SDP including T.38 for voice calls (not faxes). Calls are handled without problems by freeswitch.
>> 
>> I have another platform, with freeswitch 1.6.19 and same configuration.
>> However, voice calls received with SDP including t.38 are rejected with 488 INCOMPATIBLE_DESTINATION :
>> ba17b1eb-961d-43fe-b820-cb469a8f292d 2018-04-25 23:47:39.434491 [DEBUG] switch_core_media.c:4028 sofia/internal_1/33183817938 at gv-ics-prd-301 T38 REFUSE on request
>> ba17b1eb-961d-43fe-b820-cb469a8f292d 2018-04-25 23:47:39.434491 [NOTICE] sofia.c:7566 Hangup sofia/internal_1/33183817938 at gv-ics-prd-301 [CS_NEW] [INCOMPATIBLE_DESTINATION]
>> 
>> I didn't find any valid configuration to make those calls accepted, except configuring proxy_media, which I don't want to use.
>> 
>> Is this behaviour a "normal" behaviour ? Could it be a bug ?
>> This is a very big issue for us ...
>> 
> 
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