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4.1.2 Integrated Services Digital Network (ISDN) Service Features
•
The feature requires the MSN service. (→ 2.1.1.4 Multiple Subscriber Number (MSN) Ringing Service)
•
COS programming determines the extensions that are able to use this feature.
PC Programming Manual References
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main—Features—ISDN-FWD (MSN) Set /
Cancel / Confirm
10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—CO & SMDR—CF (MSN)
Feature Manual References
2.3.2 Call Forwarding (FWD)
5.1.1 Class of Service (COS)
Operating Manual References
1.6.1 Forwarding Calls
4.1.2.5 Call Forwarding (CF)—by ISDN (P-P)
Description
An extension user can forward the incoming ISDN call to another outside party using the ISDN service of
the telephone company, instead of the PBX feature, when the call is received through an ISDN line.
The network directly forwards the call to the destination which the extension user has set in the PBX as the
forward destination of trunk calls; the network is instructed by the PBX. This feature is available only when
the call is received through an ISDN port which supports this feature.
Call Forwarding—Unconditional (CFU), Call Forwarding—Busy (CFB), and Call Forwarding—No Reply
(CFNR) are applied to this feature.
[Example]
Outside Caller
Dials "01-45-6789".
Extn. 1011
(DDI No.: 01-45-6789
Forward Destination
of Trunk Calls: 01-23-4567)
322
Feature Manual
<FWD>
ISDN
PBX
Outside Party
(01-23-4567)
<Call Forwarding (CF)
ISDN
PBX
Outside Caller
Dials "01-45-6789".
Extn. 1011
(DDI No.: 01-45-6789
Forward Destination
of Trunk Calls: 01-23-4567)
by ISDN (P-P)>
CF Request
to 01-23-4567
Outside Party
(01-23-4567)
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