[Freeswitch-users] BEHAVIOR CHANGE (YES PAY ATTENTION TO THIS IF YOU USE FAXING)

Tue Mar 28 19:47:13 MSD 2017

Brian,

Ok so if I enable fax_enable_t38=true in vars.xml, FS will accept again SDP with PCMA/PCMA/T38 ?
(sorry but I have no choice, the fax server sending the call cannot be patched)
Restart needed ?
I ask because I already added it and did reloadxml, but the issue is still there.

David Ponzone  Direction Technique
email: david.ponzone at ipeva.fr <mailto:david.ponzone at ipeva.fr>
tel:      01 74 03 18 97
gsm:   06 66 98 76 34

Service Client IPeva
tel:      0811 46 26 26
www.ipeva.fr <blocked::http://www.ipeva.fr/>  -   www.ipeva-studio.com <blocked::http://www.ipeva-studio.com/>

Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. IPeva décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.

> Le 28 mars 2017 à 16:22, Brian West <brian at freeswitch.org> a écrit :
> 
> Yes, its exactly this, If you try what I outlined you can regain the previous behavior.  It was wrong to blindly accept t.38 and switch over. :)  Plus we handle the fallback correctly now.
> 
> On Mon, Mar 27, 2017 at 1:49 PM, David Ponzone <david.ponzone at ipeva.fr <mailto:david.ponzone at ipeva.fr>> wrote:
> Brian,
> 
> I noticed a behavior change with t38 between 1.6.6 and 1.6.15.
> With 1.6.15, if I receive a INVITE including PCMA/PCMU/t38, it got rejected with T37 REFUSE.
> If I enable T38 in vars.xml, it’s still rejected with T38 NOT POSSIBLE ON REQUEST.
> 
> Is it related to the change you mentioned ?
> 
> Thank you
> 
> David Ponzone  Direction Technique
> email: david.ponzone at ipeva.fr <mailto:david.ponzone at ipeva.fr>
> tel:      01 74 03 18 97
> gsm:   06 66 98 76 34
> 
> Service Client IPeva
> tel:      0811 46 26 26
> www.ipeva.fr <>  -   www.ipeva-studio.com <>
> 
> Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. IPeva décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.
> 
> 
> 
> 
>> Le 23 janv. 2017 à 20:59, Brian West <brian at freeswitch.org <mailto:brian at freeswitch.org>> a écrit :
>> 
>> You do NOT want 1.6.13 PERIOD if you're doing faxes or anything t.38 related.  You're in for some pain.
>> 
>> Use 1.6.14 or v1.6 branch which also has the final patches for 1.6.15.
>> 
>> 
>> /b
>> 
>> 
>> On Mon, Jan 23, 2017 at 12:55 PM, Yehavi Bourvine <yehavi.bourvine at gmail.com <mailto:yehavi.bourvine at gmail.com>> wrote:
>> Hi Brian,
>> 
>>   Thanks for informing us. I just switched back to 1.6.13 an hour ago due to users complaints (and did not have the time yet to dig more). However, I have the following settings for all users:
>> 
>>           <action application="set" data="fax_enable_t38_request=true"/>
>>           <action application="set" data="fax_enable_t38=true"/>
>> 
>> which, according to your message above, should work ok. Anyway, I'll wait to 1.6.15...
>> 
>>                               Thanks, __Yehavi:
>> 
>> 
>> 2017-01-23 19:03 GMT+02:00 Brian West <brian at freeswitch.org <mailto:brian at freeswitch.org>>:
>> To clarify this work around will work on 1.6.14:
>> 
>> 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.
>> 
>> /b
>> 
>> On Mon, Jan 23, 2017 at 9:26 AM, Brian West <brian at freeswitch.org <mailto:brian at freeswitch.org>> wrote:
>> FreeSWITCHers,
>> 
>> In 1.6.14 we did a slight behavior change related to T.38 re-invite acceptance.  Before 1.6.14 we would by default accept the re-invite even if t38 wasn't enabled and switch to UDPTL mode.  This was an incorrect behavior to do by default.
>> 
>> But one caveat in 1.6.14, We by default 488 the fax but switch the media mode to UDPTL which is also a bad behavior fixed in (FS-9943) slated for 1.6.15.
>> 
>> 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.
>> 
>> These default behaviors are fixed in our next release 1.6.15.
>> 
>> Thanks,
>> 
>> -- 
>> Brian West
>> brian at freeswitch.org <mailto:brian at freeswitch.org>
>> 
>> Twitter: @FreeSWITCH , @briankwest
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>> 
>> 
>> 
>> 
>> -- 
>> Brian West
>> brian at freeswitch.org <mailto:brian at freeswitch.org>
>> 
>> Twitter: @FreeSWITCH , @briankwest
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>> https://www.gofundme.com/freeswitch_ubuntu <https://www.gofundme.com/freeswitch_ubuntu>
>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit: /r/freeswitch <https://www.reddit.com/r/freeswitch>
>> T:+19184209001 <tel:(918)%20420-9001> | F:+19184209002 <tel:(918)%20420-9002> | M:+1918424WEST (9378)
>> Skype:briankwest
>> 
>> 
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>> 
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>> 
>> 
>> -- 
>> Brian West
>> brian at freeswitch.org <mailto:brian at freeswitch.org>
>> 
>> Twitter: @FreeSWITCH , @briankwest
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>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit: /r/freeswitch <https://www.reddit.com/r/freeswitch>
>> T:+19184209001 <tel:(918)%20420-9001> | F:+19184209002 <tel:(918)%20420-9002> | M:+1918424WEST (9378)
>> Skype:briankwest
>> 
>> _________________________________________________________________________
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>> 
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> 
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
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> 
> Official FreeSWITCH Sites
> http://www.freeswitch.org <http://www.freeswitch.org/>
> http://confluence.freeswitch.org <http://confluence.freeswitch.org/>
> http://www.cluecon.com <http://www.cluecon.com/>
> 
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> 
> 
> -- 
> Brian West
> brian at freeswitch.org <mailto:brian at freeswitch.org>
> Twitter: @FreeSWITCH , @briankwest
> 
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> Skype:briankwest
> 
> _________________________________________________________________________
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> 
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> 
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