FSK/DTMF dual system
14digits storage display
400 groups of incoming call and VIP
90 groups outgoing call records check, call back and long distance call back
10 two-touch memories
Incoming and outgoing call records check, call back and long distance call back
2 sets of Area Code setting
2 set IP phone dialing
IDD key lock
LCD brightness control
Calendar and real-time clock display
Music on hold
Pre-dial and easy-editing function
Redial function
16 digit calculator function
Lightning protection for safety device