Access to trunk line is used to make calls from
extension through your telephone line.
To make outside call, Lift hand set and listen
dial tone,
Dial

You
will get telephone line dial tone and proceed
for the external call dialing. In case, you don't
get telephone line dial tone, either all telephone
lines in "0" group are busy, or your
extension is not entitled to use "0"
group dialing.
In
case all telephone lines in "0" group
are busy, use Automatic
Call Back on Busy trunk Feature. |