FSK/DTMF dual system caller ID;
Ultra long intelligent recording function of about 2700 hours;
Call hold/call mute function optional;
Automatic recording, call recording, and live recording functions: each can record up to 9999 recordings;
The phone book can store 1000 sets of names and numbers, with names up to 30 English characters or 14 Chinese characters,
The phone number has a maximum of 22 digits;
One click redial of the last outgoing number;