Panasonic KX-TD500 - Manual (Page 246)

Features
246 Programming Guide
5.3 Phantom Extension
Used to register up to 448 Phantom Extension numbers.
Parameter Entry No.
Default 001-048
Value Range 001-448 in 48 codes increments
Description/Function Specifies the entry number of phantom extension number which
you are going to programme.
Reference • 1.3 System Features (F/G)
– Phantom Extension
Parameter FDN
Default Blank
Value Range 3-4 digits consisting of 0-9
Description/Function Specifies the FDN (Floating Directory Number) for each Phantom
button.
Note
• A single phantom extension number can be assigned to
multiple extensions so that the caller can ring a group of
extensions simultaneously.
Reference • 1.3 System Features (F/G)
– Floating Station
• 4.1.2 Customising the Buttons (U/M)