[Freeswitch-users] T.38 Fax

David Witham david.witham at netsip.com.au
Thu Jul 16 04:50:29 MSD 2015


Hi Dave,

You need to set t38_passthru=true in your dialplan to allow the t38 reINVITE to traverse your FS.

regards,
David
________________________________________
From: freeswitch-users-bounces at lists.freeswitch.org <freeswitch-users-bounces at lists.freeswitch.org> on behalf of Dave Greeko <davegreeko at yahoo.com>
Sent: Thursday, 16 July 2015 08:50
To: freeswitch-users at lists.freeswitch.org
Subject: [Freeswitch-users] T.38 Fax

Hello All,
I'm trying to just relay t.38 fax calls along the voice calls between two endpoints with FS in the middle.
In the dial-plan I set the proxy media mode to true which works extremely well with my setup considering the codec negotiation headache for my voice calls. My question is do I have to explicitly set any Sofila parameters in the SIP profile or any variables related to T.38 in the Bridge dial string to make the fax go from Caller to Callee through FS?

My Freeswitch version is 1.4.19 and mod_spansdp is already loaded

Regards,
Dave

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