Manually enable Hardware Echo Cancellation (HWEC) - How do I?

Please do not follow these instructions if your PRI card connects to a RHINO CHANNEL BANK. Echo cancellation should be OFF if you are using a Rhino Channel Bank.

If you purchased a Sangoma A10X card with HWEC, and you are experiencing echo (particularly if you are using a PRI), please follow these steps in order to enable the HWEC function on the card:
 

How To Manually Enable/Disable Hardware Echo Cancellation

Image Of Cards Page Showing Numbered Steps

Follow the steps below to enable hardware echo cancellation

Open

Steps By Step Walkthrough Of Turning On Hardware Echo Cancellation

1. Click on Options --> cards

2. Click on Advanced Mode

Open

3. Scroll down until you see wanpipe1.conf (the 1 is listed within a drop-down if you have multiple cards or interfaces configured)

4. Click on the + symbol next to wanpipe1.conf

5. Within the newly opened pane, scroll down until you see TDMV_HWEC = NO

6. Delete the word no and replace it with yes.  You should end up with TDMV_HWEC = YES

7. Click Apply All Changes at the bottom of the page

8. Your settings will not take affect until you reboot the server or do a "Reset All" in the Options -> reset server page. If your system does not come back online within 10 minutes revert your changes and reset the server again.