Chris
Looking at this file below you need to move the stuff below the
channel => 4-5
line to each span definition. Anything below the channel line gets
completely ignored! I stand to be corrected but I think your current
config will not have any echo cancellation at all.
I have just posted my own zapata.conf files to this list. Take a look.
Rgds
Tim Robinson
Basingstoke, UK
Chris Bagnall wrote:
I said:
I've tried isdn4linux (severe echo, reproducable on every
inbound call) and zaphfc (intermittent echo, disappears
within about 30 secs of the call starting).
Many thanks to those who replied. General consensus seems to be switching to
mISDN or CAPI won't solve the intermittent echo problem. A follow-up with
some more config information:
Zaptel.conf
span=1,1,3,ccs,ami
bchan=1-2
dchan=3
span=2,1,3,ccs,ami
bchan=4-5
dchan=6
loadzone=uk
defaultzone=uk
Zapata.conf:
[channels]
language = en
pridialplan = dynamic
nationalprefix = 0
internationalprefix = 00
switchtype = euroisdn
signalling=bri_cpe_ptmp
group=1
context=isdn
channel => 1-2
switchtype = euroisdn
signalling=bri_cpe_ptmp
group=2
context=isdn
channel => 4-5
echocancel=yes
echocancelwhenbridged=yes
echotraining=no
;echotraining=800
rxgain=0.0
txgain=0.0
immediate=yes
I've tried echotraining off, on, 100, 400 and 800, none of which seem to
help matters very much. Any suggestions for getting rid of echo on these
lines would be gratefully appreciated.
Regards,
Chris
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