FSK and DTMF automatic incoming call identification and reception
Five-level display brightness adjustment
Pulse/double-audio frequency compatible dialing function
Flexible setting of a group of automatic IP numbers
8-digit calculator function
16 ringtones selection functions
Large-capacity call, power-off and VIP number storage
Pre-dialing, cancellation, callback, and redial functions
Automatic anti-theft function
Second-gear electronic long-distance lock control function
Super lightning protection, anti-interference function