[Freeswitch-users] proxy_media breaks T38 passthru

[Colin Mason]

Sorry,

FreeSWITCH Version 1.2.1+git~20120816T172128Z~6dc9596bec (1.2.1; git at commit 6dc9596bec on Thu, 16 Aug 2012 17:21:28 Z)

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Colin Mason
Sent: Tuesday, October 02, 2012 2:29 PM
To: freeswitch-users at lists.freeswitch.org
Subject: [Freeswitch-users] proxy_media breaks T38 passthru

I am using Cisco SPA2102's for T38 faxing into a corporation with 20 fax machines.

I have a freeswitch box that acts as a router to route SIP from our carrier network into our customers private network. This is the only function this box performs.

The profiles on this box have:

<param name="inbound-late-negotiation" value="true"/>
<param name="t38-passthru" value="true"/>

Faxes complete 99% of the time.

If I enable <action application="set" data="proxy_media=true"/> right before the bridge it completely breaks T38 faxing. Success rate of 0%. Does anyone know why this is?

Thanks,
Colin
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