Main functions :
1.FSK and DTME caller ID
2. Phone numbers/time check
3. The coming numbers display,quickly check and Re-dial
4. Electronic calender,time,clock and days of the week...
5. High-low switch button for ringer sound adjust
Installation and USD
1.This telephone should be connect in the main line, if being connected as an branch line, the display will be not showing or showing unclear.