IP Phone User Manual
1.3 Call Forwarding (FWD)/Do Not Disturb (DND) Features
62 Feature Guide
[Available Destination]
Conditions
[General]
• FWD for Trunk Calls/Intercom Calls
The FWD feature can be set for trunk calls, for intercom calls, or for both of them by the 
extension user.
• 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 (  Call Forwarding to Trunk [504]).
The original extension’s TRS/Barring and ARS still apply to the forwarded call.
Destination Availability
Condition for Original 
Extension/Incoming Call 
Distribution Group
Wired Extension (PT/SLT/ISDN Extension/T1-
OPX) 
Only available when FWD to 
extension is allowed through 
COS programming.*
PS
Incoming Call Distribution Group
PS Ring Group – 
VM Group (DTMF/DPT) – 
External Pager (TAFAS) – 
DISA Only available for incoming 
trunk calls. Incoming 
intercom and doorphone 
calls cannot be forwarded to 
a DISA floating extension 
number.
Analogue/ISDN Remote Maintenance – 
Idle Line Access no. + Phone no. Only available when FWD to 
trunk is allowed through 
COS programming.
Trunk Group Access no. + Trunk Group no. + 
Phone no.
Other PBX Extension (TIE with no PBX Code) – 
Other PBX Extension (TIE with PBX Code) Only available when FWD to 
trunk is allowed through 
COS programming.
*: If an extension user cannot call certain extensions on a COS basis (  1.1.2.2 Internal Call 
Block), the FWD feature to the extension does NOT work.










