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

Mon Mar 27 22:49:58 MSD 2017

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
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> Le 23 janv. 2017 à 20:59, Brian West <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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> 
> 
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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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> 
> _________________________________________________________________________
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> 
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