You're missing the ever critical t38_passthru=true variable remove all else about t38 since those are valid for termination/originate with FS itself... don't need t38_gateway at all.... then don't worry about the rest.

/b

On Nov 9, 2011, at 12:17 PM, Alex Crow wrote:

<extension name="from_mitel" >
<condition field="network_addr" expression="10.10.0.2"/>
<condition field="context" expression="public"/>
<condition field="destination_number" expression="(^1001$)">
<action application="set" data="hangup_after_bridge=true"/>
<action application="set" data="fax_enable_t38=true"/>
<action application="set" data="fax_enable_t38_request=true"/>
<action application="set" data="execute_on_answer=t38_gateway peer"/>
<action application="bridge" data="user/t38modem@${domain_name}"/>
</condition>
</extension>