[Freeswitch-users] T38 re-invite, 488 Not Acceptable Here, Freeswitch 1.6.20

[Douglas Davenport]

If you are trying to recieve a fax you should be calling rxfax not bridging
to a user.

<action application="rxfax" />

On Thu, Feb 8, 2018 at 4:33 AM, Michael Avers <michael at mailworks.org> wrote:

> Hello,
>
> I understand the T38 behavior changed after 1.6.13. I watched Brian's
> video from last year, read the docs, but I just don't see what else I would
> need for a very simple scenario for receiving a fax with the receiving end
> (ATA) re-inviting T38.
>
> PSTN > FS > HT801 ATA > T38 RE-INVITE > FS > PSTN
>
> The ATA does re-invite, however FS rejects immediately with 488 Not
> Acceptable Here. I'm using the following dialplan. I also tried to use
> export instead of set, but same result.
>
> <extension name="faxdid1" continue="false">
>  <condition field="destination_number" expression="^(4154447777
> <(415)%20444-7777>)$">
>    <action application="set" data="ignore_early_media=true"/>
>    <action application="set" data="fax_enable_t38_request=true"/>
>    <action application="set" data="fax_enable_t38=true"/>
>    <action application="bridge" data="user/6050 at sip.domain.org"/>
>  </condition>
> </extension>
>
> Is there anything obvious that I'm missing here?
>
> Thanks
> Mike
>
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