Panasonic KX-TD500 System Reference Manual page 291

3. Call Forwarding (FWD)
3-1. FWD to a non-VPS extension
Caller
Transfer
VPS 1
(FWD-All/Busy)
Code Call State
Ringback Tone
C 3
Busy Tone
B 1
(FWD-No Answer)
Code Call State
Ringback Tone
A 1
(The call is arriving at the Ext.1)
↓
Call Forwarding No Answer Time
has been elapsed.
↓
Ringback Tone
C 3
(The call is forwarded to the
Ext.2 and arriving on it)
Ringback Tone
A 1
(The call is arriving at the Ext.1)
↓
Call Forwarding No Answer Time
has been elapsed.
↓
The call is still arriving at the
Ext.1.
3-F-31
Forward
Ext.1
FWD mode
The Ext.2 is idle.
The Ext.2 is busy.
The Ext.2 is idle.
The Ext.2 is busy.
Ext.2
Conditions
Conditions