To configure Biscom FAXCOM Server with T38Fax.com, follow these steps:


1) Configure Dialogic Brooktrout SR140 with your T38Fax.com SIP account details.  For instructions, click here.

2) Set the file permissions for your callctrl.cfg to read-only so that it is not overwritten by Biscom FAXCOM when you restart the FAXCOM service.


biscom-callctrl.png


3) Open Windows Registry to \HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432node\Biscom\FAPI for BT\Parameters


biscom-registry-0.png


4) Double click on "CallingPartyNumber" and input your DID including the leading 1 (ie. 12125558888).

biscom-registry-1-callingpartynumber.png


5) Edit the "CallingPartyIpAddress" and input "sip.t38fax.com" (without quotes!).


biscom-registry-2-callingpartyipaddress.png


6) Close Windows Registry


biscom-registry-complete.png


7) Restart the Biscom FAXCOM service.


biscom-faxcom-starting.png