[Freeswitch-users] Fax T38 problems in proxy media

Mon Nov 4 10:25:45 UTC 2019

Hi, any luck `fax_enable_t38` is only set in your dialplan, but not
exported? As t38 are rejected at the outgoing leg.

What is your FS version, anw?
rgds,
Loi Dang

On Mon, Nov 4, 2019 at 4:09 PM Jose Fco. Irles Durá <josefu at gmail.com>
wrote:

> Hi,
>
> I have retested in default mode and FreeSWITCH refuse t38:
> https://pastebin.com/raw/5LVvFdht
>
> In the console I can see:
> switch_core_media.c:4028 sofia/myprofile/number at 33.33.33.33 T38 REFUSE on
> request
>
> In my dialplay I set:
> bypass_media=false
> proxy_media=false
> t38_passthru=true (same result setted or not. In sofia profile is setted
> the param)
> fax_enable_t38=true (same result setted or not)
>
> I add to the dialplan a ringback with
> ringback=%(1500,3000,425)
>
> This is my sofia configuration (params section):
> https://pastebin.com/usW3AKa0
>
> What is wrong in my config?
>
> Best regards
>
> El sáb., 2 nov. 2019 a las 20:43, Jose Fco. Irles Durá (<josefu at gmail.com>)
> escribió:
>
>> I think that i tested in the default mode and I receive from FreeSWITCH a
>> 488, but I'm not sure at this moment. I will retest the next monday.
>>
>> Best regards
>>
>> El vie., 1 nov. 2019 a las 3:31, Loi Dang (<loidang at hoiio.com>) escribió:
>>
>>> Hi, i experienced this 2 years ago with the latest version that time
>>> 1.6.17, likely no will to change for the current version. For short, proxy
>>> media does NOT seem to work at all for `t38-passthru=true`.
>>> My solution was to switch to normal media mode for that option to take
>>> effect.
>>> You should give it a try.
>>>
>>> rgds,
>>> Loi Dang
>>>
>>> On Fri, Nov 1, 2019 at 1:13 AM Brian West <brian at freeswitch.com> wrote:
>>>
>>>> Don't use proxy media mode, PRETEND PROXY MEDIA DOESN'T EXIST! :)
>>>>
>>>> On Thu, Oct 31, 2019 at 12:35 PM David Villasmil <
>>>> david.villasmil.work at gmail.com> wrote:
>>>>
>>>>> Can you paste the complete messages?
>>>>>
>>>>> On Thu, 31 Oct 2019 at 16:44, Jose Fco. Irles Durá <josefu at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi, I have sended another email to the list with attachments. I think
>>>>>> that the list not accepts attachments, sorry.
>>>>>>
>>>>>> I have several FreeSWITCH's (latest version from deb packages: 1.10.1
>>>>>> -release-12-f9990221e6) and I have problems with faxes in proxy media
>>>>>> (in bypass-media works).
>>>>>> In the sofia.conf.xml I have setted the param t38-passthru=true
>>>>>>
>>>>>> If the flow is:
>>>>>> 1. Initial INVITE
>>>>>> 2. Re-Invite from one of the legs with t38 sdp
>>>>>> Result: works
>>>>>>
>>>>>> But if the flow is:
>>>>>> 1. Initial INVITE
>>>>>> 2. Re-invite from one of the legs changing the media (at answer)
>>>>>> 3. Re-invite from one of the other legs with t38 sdp
>>>>>> Result: not works
>>>>>>
>>>>>> I tried with "soa_enable=false" without luck.
>>>>>>
>>>>>> FreeSWITCH seems that hangs the sip transaction.
>>>>>>
>>>>>> This capture is the first reinvite (in the flow, the "showing" line):
>>>>>> https://pastebin.com/raw/X4zrUr4k
>>>>>>
>>>>>> This capture is the reinvite with the t38 negotiation sended by the
>>>>>> receiver (Grandstream ATA):
>>>>>> https://pastebin.com/raw/KCXD51aH
>>>>>>
>>>>>> And this with the response (200ok) accepting the t38 negotiation):
>>>>>> https://pastebin.com/raw/ifqtPN8L
>>>>>>
>>>>>> How I can debug the problem?
>>>>>>
>>>>>> Best regards
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>>
>>>>>> The FreeSWITCH project is sponsored by SignalWire
>>>>>> https://signalwire.com
>>>>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>>>>> services.
>>>>>> Build your next product on our scalable cloud platform.
>>>>>>
>>>>>> Join our online community to chat in real time
>>>>>> https://signalwire.community
>>>>>>
>>>>>> Professional FreeSWITCH Services
>>>>>> sales at freeswitch.com
>>>>>> https://freeswitch.com
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> https://freeswitch.com/oss
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>>>>>> https://cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
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>>>>>
>>>>> --
>>>>> Regards,
>>>>>
>>>>> David Villasmil
>>>>> email: david.villasmil.work at gmail.com
>>>>> phone: +34669448337
>>>>>
>>>>> _________________________________________________________________________
>>>>>
>>>>> The FreeSWITCH project is sponsored by SignalWire
>>>>> https://signalwire.com
>>>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>>>> services.
>>>>> Build your next product on our scalable cloud platform.
>>>>>
>>>>> Join our online community to chat in real time
>>>>> https://signalwire.community
>>>>>
>>>>> Professional FreeSWITCH Services
>>>>> sales at freeswitch.com
>>>>> https://freeswitch.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> https://freeswitch.com/oss
>>>>> https://freeswitch.org/confluence
>>>>> https://cluecon.com
>>>>>
>>>>> FreeSWITCH-users mailing list
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>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> Brian West | Co-founder and Developer
>>>>
>>>> Need Commercial support? email sales at freeswitch.com
>>>>
>>>> FreeSWITCH Solutions | 17345 Civic Drive #2531 Brookfield, WI 53045
>>>> <https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g>
>>>>
>>>> Email: brian at freeswitch.com
>>>>
>>>> Mobile: 918-424-9378
>>>>
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>>>>
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>>>>
>>>> _________________________________________________________________________
>>>>
>>>> The FreeSWITCH project is sponsored by SignalWire
>>>> https://signalwire.com
>>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>>> services.
>>>> Build your next product on our scalable cloud platform.
>>>>
>>>> Join our online community to chat in real time
>>>> https://signalwire.community
>>>>
>>>> Professional FreeSWITCH Services
>>>> sales at freeswitch.com
>>>> https://freeswitch.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> https://freeswitch.com/oss
>>>> https://freeswitch.org/confluence
>>>> https://cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
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>>>> https://freeswitch.com
>>>
>>> _________________________________________________________________________
>>>
>>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>> services.
>>> Build your next product on our scalable cloud platform.
>>>
>>> Join our online community to chat in real time
>>> https://signalwire.community
>>>
>>> Professional FreeSWITCH Services
>>> sales at freeswitch.com
>>> https://freeswitch.com
>>>
>>> Official FreeSWITCH Sites
>>> https://freeswitch.com/oss
>>> https://freeswitch.org/confluence
>>> https://cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> https://freeswitch.com
>>
>>
>>
>> --
>> Jose Fco. Irles Durá
>>
>
>
> --
> Jose Fco. Irles Durá
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> https://freeswitch.com
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