On 02/07/2006, at 11:48 PM, Oleksandr Tymoshenko wrote:
Also curious if anyone is able to confirm bad echo on digium fxo
cards (not x100p)?
I guess it's new default echo cancellation algorithm to be
blamed. They claimed it to be better then old one (MARK2). Try to
change
"#define ECHO_CAN_MG2" to "#define ECHO_CAN_MARK2" in zconfig.h and
rebuild drivers.
At what version did this change? We are experiencing (sometimes) bad
echo, but still running zaptel-0.11 from FreeBSD ports.
Also, is it true to say that ISDN lines don't have any echo problems
at all and echo is just an issue with analogue POTS lines?
Ari Maniatis
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