Sangoma Hardware Echo Cancellation
Sangoma provides a procedure on their wiki to
turn on HWEC on your A200d or A102/104/108d.
You will need to make call to through your system to ensure echo cancellation is working.
Handy commands for checking status of HWEC:
- wanpipemon -i w1g1 -c ehw
- wan_ec_client wanpipe1 stats
Command for forcing HWEC in service on an SS7 IMT with channel 16 SS7 F-link:
- wan_ec_client wanpipe2 be 1-15.17-31