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In the Day mode, an in-coming call on programmed
trunk lines will make a different set of extensions
ring one after the other, the trunk can be programmed
for detecting STD call from Ring cadence or CLID
on CLID Detect enabled trunk. Each extension rings,
with a different cadence, for number of rings
programmed for that extension as ring switch count,
before another takes over. This set of extensions
(max. 4) can be different for each trunks line
and is called STD Call 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. is Extension.
For
example, if you want extension 31, 33 and
35 to ring in sequence when there is an in-coming
call on trunk no. 27 which is STD call, then dial,
Password
+

When there is an incoming call on trunk line 27,
the call will first ring extension 31, if it is
busy it will automatically go to extension 33
which, if free will start ringing. If nobody picks
up till ring switch period for that extension,
the ring will go to extension 35, and then back
to 31, and so on. Similarly, service groups can
be set for the other trunk lines.
The
STD detect can be programmed by 233 programming
and in this mode the DISA is bypassed for that
trunk. The CLID direct termination will precede
the STD Detection by CLID and the call will be
terminated to CLID direct termination extension.
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.
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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