Overview

This article serves as a guide for configuring a T38Fax.com for use with the Dialogic® Brooktrout® SR140 FoIP software platform using SIP.

Environment

Any FaxMaker installation using a Brooktrout SR140.

Solution

1. Go to the Brooktrout Configuration Tool on your computer. From Programs > GFI FaxMaker Brooktrout TR1034 Drivers > Brooktrout Configuration Tool.  Right-click and select run as administrator.
   
   Note: By default, the tool exists in this location C:\Program Files (x86)\Brooktrout\bin\configtool
   
   
2. When the wizard appears, click Advanced Mode from the bottom left corner.
   
   
3. In Advanced Mode, select the SIP node under IP Call Control Modules.
   
   
4. Navigate to the IP Parameters tab in the right pane.
   
   
5. Input the following values in the fields below:
   
   
   • Primary Proxy Server: sip.t38fax.com
   • Primary Registrar Server URL: sip.t38fax.com
   • From Value: sip:YOUR_DID@sip.t38fax.com
   • Substitute YOUR_DID with your T38Fax.com DID.
     
     
     
     
6. Click Show Advanced.
   
   
7. In the Advanced Settings section, input the values below:
   
   
8. Primary Registrar Server Address of Record: YOUR_DID@sip.t38fax.com
   
   
9. Primary Registrar Server Username: YOUR_DID
   
   
10. Primary Registrar Server Password: PASSWORD
    
    
11. Substitute YOUR_DID and PASSWORD with your T38Fax.com SIP Credentials.
    
    
    
    
12. Navigate to the T.38 Parameters tab in the right pane and set the following:
    
    
    • Fax Transporting Protocol: T.38 only
    • Maximum Bit Rate: 14400
    • Media Passthrough Timeout Inbound: 1000
    • Media Passthrough Timeout Outbound: 15000
    • Media Renegotiate Delay Inbound: 1000
    • Media Renegotiate Delay Outbound: -1
    • T30 Fast Notify: No
    • UDPTL Redundancy Depth Control: 5
    • UDPTL Redundancy Depth Image: 2
      
      
      
      
13. Select Save and then select Apply from the top ribbon bar to save your changes and restart the Brooktrout Boston service with the new changes applied.  
    
    
14. Exit the Brooktrout Configuration Tool.
    
    
    
    

Confirmation

After successfully configuring the Brooktrout SR140, check if it is ready to work with your FaxMaker.  Test with your usual fax sending method to ensure the correct operation.  

It may also be necessary to adjust the outbound CLIP Value.  For more information, review the information in the article on Customizing the Caller ID and TSID of Outbound Faxes.