All the echo cancellation settings and other settings to effect on a particular channel have to be set out before the occurence of the channel no.
see zapata.conf below: ; Zapata telephony interface ; ; Configuration file
[channels] ; language=en context=incoming amaflags=default cancallforward=yes callwaiting=no busydetect=no callprogress=no usecallingpres=yes musiconhold=classic rxgain=0.0 txgain=0.0 immediate=no echocancel=yes echocancelwhenbridged=yes echotraining=yes usecallerid=yes callerid=asreceived callwaitingcallerid=yes threewaycalling=yes signalling=fxs_ks callreturn=yes channel=1
After the change the voice quality of GS is superior I think it is value for money. I would not spend my money on snom or other phones. I would consider cisco 7960 is money is not an object though.
-- David Kwok
Iaxtel/FWD # 17001813482 ext 1002
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