Upgrading Firmware on an Audiocodes Gateway

1. Download the firmware
   
2. Extract the files and make note of the locations of the following files:
   
3. Save your current INI file if require. If your unit is default, don't worry about this.
   
4. Upload the new Firmware:
   
   Note: If you are on existing 4.0 firmware, this screen will be in a different place.
   Browse to the "Software Update" then "Software File-Download" page.
   
   • Hit the "Browse" button and pick your version of firmware.
   • After you've verified the right version:  Hit the "Send File" button.
   • The Gateway will reboot.
     
5. Upload an INI File:
   
   • Browse back to "Software Update" then this time go to the "Auxiliary Files Download" page . 
   • Send either your INI file you saved from before or the default INI file provided on the download.
   • The Gateway will reboot
     
6. Upload the Coefficients File:
   
   • Browse back to the "Software Update" then "Auxilary Files Download" page
   • Send "Coefficient File" for your Model and Version (SIP/H323/MGCP) of Gateway.
   • Unit will NOT reboot.
     
7. Upload the "Call Progress Tones":
• Pick your Model and Version as above.
• Unit will NOT reboot.
  
8. Save the Configuration to Flash
• Hit the "Save Configuration" button then "Save Configuration" again
  
9. Program the Gateway with your Parameters.
   
10. Backup Gateway to a Local File:

• Browse to the "Advanced Configuration" then "Configuration File" page.
• Hit the "Get INI FILE" button and save to a safe place.
• If you ever have to reload the Gateway, you can do it again here.