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In
the normal mode, an in-coming call on any of the
trunk lines will make a set of extensions ring
one after the other. Each extension rings for
seconds before another takes over. This set of
extensions (max. 4) can be different for each
trunks line and is called Service Group for that
trunk line. To programme a service group dial
:
Password
+
Where,Trk.
is Trunk Access Code i.e. 27, 28....etc. and Ext
are Extensions.
For example, if you want extension 30, 32
and 34 to ring in sequence when there is an in-coming
call on trunk no. 27, then programme as follows,
Password
+
When there is an incoming call on trunk line 27,
the call will first ring extension 30, if it is
busy it will automatically go to extension 32
which, if free will start ringing. If nobody picks
up till ring switch period for that extension,
the ring will go to extension 34, and then back
to 31, and so on. Similarly, service groups can
be set for the other trunk lines. In case all
extension are busy in a service group the will
terminate as a parked call or In-coming trunk
queuing on the first extension in the list with
no call parked on it. In DISA mode failure the
call will terminate to same set of extensions.
Note:
Care should be taken in allocating Extn. Nos.
as per the exchange model i.e., for 204, 206,....616
the Nos. are 30,31,32...45.
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