search for: echo_can_

...is no, which gives me some faith in going the TDM route instead of ATA route, but I'd like to hear some sugguestions. Also, I haven't been able to find any real documentation on the various echo cancellers in zaptel. Can anyone elaborate on the differences between the various mechanisms? (ECHO_CAN_????) Finally, I tried recompiling zaptel with -DAGGRESSIVE_SUPPRESSOR, but that seems to cause more harm than good in my particular setup (if both parties are talking at the same time, results are indeterminate). I know echo is caused by a wide range of issues, a wide range of problems, and every...