Hello,
I have a crossover PRI(Asterisk server to PBX) and a regular telco PRI T1
line and currently have echocancel=yes and echocancelwhenbridged=yes on
those spans in zapata.conf. I was discussing CPU load with another Asterisk
user and he mentioned that PRIs don't need echo cancelation and that
mattf skrev:
I checked many sample configs and the archives and noticed that half
of the people have echocancel on for PRIs and half do not. I checked
the Digium site and indeed in the FAQ they say: There should also be
no echo on PRI connections.
If you need echo cancelling on the PBX PRI
Tobias Jönsson wrote:
If you need echo cancelling on the PBX PRI depends on the phones used on
that PBX. If they are all digital and they do not introduce any echo you
will not need any echo cancelling.
The outside phone will still (usually) be analog and cause echo. So
unless you are only
Eric Wieling wrote:
Tobias Jönsson wrote:
If you need echo cancelling on the PBX PRI depends on the phones used on
that PBX. If they are all digital and they do not introduce any echo you
will not need any echo cancelling.
The outside phone will still (usually) be analog and cause echo. So
I get sideband (interpreted by the enduser as echo) when calling a POTS line
through our PRI on Snom's or X-Ten. Our crappy BudgeTones actually sound the
best.
Everyone is exactly right here, that it really depends how the call is
terminated on the other side. Calling from a Snom terminating to
I have a crossover PRI(Asterisk server to PBX) and a regular telco PRI T1
line and currently have echocancel=yes and echocancelwhenbridged=yes on
those spans in zapata.conf. I was discussing CPU load with another Asterisk
user and he mentioned that PRIs don't need echo cancelation and that
