- Surface Installation
- Analogical or Digital
- Ringtone selection
- Phone wire and RJ plug
- Led indicator (for digital phone) : a) (ON) green operation of the phone , B0 (stop) red, is lit in case the system is busy by another apartment c) yellow is lit in case a call is made from the bell button (if its connected to the phone )of the apartment, d) switched off, de-activation of the phone.