Displaying 1 result from an estimated 1 matches for "zaphpec_enable".
2007 Apr 20
1
adding second TDM400P card causes echo cancellation to fail for all Zap channels
Hi, folks:
Yesterday I added a second TDM400P card to a working, echo-free server
running HPEC.
Today, I'm getting these messages:
> Apr 20 09:12:12 WARNING[5679]: chan_zap.c:1551 zt_enable_ec: Unable to enable echo cancellation on channel 3
along with complaints of severe echo. The channels have all been tuned
using 'fxotune -s' and the echo numbers are all under 2%. I guess