... with rechargeable battery.11. Displaying date, time, week, battery status, and signal strength on the LCD .12. Displaying the numbers ... with high confidentiality.11. Conferences function among base unit, handset and incoming call .12. Displaying Chinese or English menu on ... the ring tone .17. Displaying date, time, week, signal strength, and battery status on the LCD.18. Handset to handset, handset ...