Panasonic KX-T7565 - Manual (Page 247)

Customising Your Phone & System
User Manual 247
Phantom (Ringing on/off) 1 (off)/2 (on)
*: Available when the Digital Super Hybrid System is connected to a Digital Proprietary
Telephone capable Panasonic Voice Processing System.(one that supports digital
proprietary telephone [DPT] integration; e.g., KX-TVP100.)
Button Code Parameter