Hello, I'm trying to use Freeswitch as a SIP to TDM gateway. I'd like to use t38_gateway to detect fax tones and send a ReINVITE to t38. Have a very minimal config with one profile that simply relays to FreeTDM My dialplan is: <include> <context name="sip"> <extension name="dial-trunk"> <condition field="destination_number" expression="^(.*)$"> <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 self"/> <action application="bridge" data="freetdm/1/a/$1"/> </condition> </extension> </context> </include> The problem is a media bug is created on the channel but almost immediately destroyed so fax tones are never detected. See: http://pastebin.freeswitch.org/20162 Thanks for any assistance, Spencer