In addition to accessing trunk lines by dialing
0 or 9, it is also possible to access trunk lines
directly by dialing the trunk numbers as per the
selected model. The exchange can be programmed
to provide this facility to certain or all extensions.
This feature is also used to get a particular
CO on which STD/ISD facility is available. Even
implementing this feature the user can get as
many groups as Co lines connected to Exchange.
To access direct line lift hand set, and on getting
system dial tone,
Dial
where Trk is port number of that CO Line.
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 that telephone
line port is busy, or your extension is not entitled
to use that port for dialing.
In
case that telephone line port is busy, use Automatic
Call Back on Busy trunk Feature.
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