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2.3.2 Call Forwarding (FWD)
Destination
Other PBX Extension (TIE with PBX Code)
If an extension user is not permitted by COS to call a certain extension (→ 2.1.2.2 Internal Call Block), the FWD feature will not
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function if that extension is set as the forwarding destination.
Parallel Ringing When Forwarding to Trunk
When an unanswered call is forwarded to an outside line, such as a cellular phone, the forwarding
extension's phone will continue ringing until the forwarded call is answered at either phone. This feature can
be enabled for each extension through system programming. Even when the outside destination answers
the call, DSS buttons for the forwarding extension are displayed as busy. The Intercept Routing feature is
available for when parallel ringing is not answered.
Conditions
[General]
•
FWD for Trunk Calls/Intercom Calls
The extension user can set the FWD feature for trunk calls, for intercom calls, or for both.
•
FWD from Incoming Call Distribution Group (Group FWD)
COS programming determines the incoming call distribution groups that can use this feature.
•
FWD to Trunk
COS programming determines the extensions or incoming call distribution groups that can forward calls
externally. The original extension's TRS/Barring and ARS still apply to the forwarded call.
•
Trunk Call Duration
The duration of a trunk call can be restricted by a system timer. Trunk call duration is assigned separately
for calls between an extension user and an outside party, and calls between two outside parties.
If the timer expires, the line will be disconnected. (→ 2.11.8 Trunk Call Limitation)
•
Multiple FWD
Calls can be forwarded up to four times. The following forwarding features are counted as Multiple FWD:
–
FWD—Busy or Busy/No Answer (when the destination extension is busy), or All Calls
–
Idle Extension Hunting—Overflow
–
Intercept Routing—Busy/DND/No answer (when the destination extension is busy or in DND or No
answer mode)
–
Incoming Call Distribution Group—Overflow
Intercept Routing features can be applied to the original destination (refer to 2.1.1.6 Intercept Routing).
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Incoming
call
A
Original
destination
In the above illustration, forwarding stops at extension E. However, forwarding can go farther in the
following cases:
–
If a destination extension rings, and then the call is redirected to the forward destination by the FWD—
No Answer or Busy/No Answer feature.
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Feature Manual
*1
1
2
B
C
Condition for Original Extension/
Availability
Incoming Call Distribution Group
ü
Only available when FWD to trunk
is allowed through COS
programming.
3
4
D
E
5
F
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