Features:
1) Model CID399(6):
a) Dual FSK/DTMF
b) Displays incoming call, date, time, sequential number, and
total number
c) Indicates new, repeat, private, long distance, voice mail,
or error
d) Records 99 incoming and 25 outgoing calls
e) Automatically filters local area code
f) LCD display with adjustable contrast
g) Electronic desk calendar
h) Automatic conversation timer
i) LED indicator for incoming calls
2) Model CID399(6N):
a) FSK and DTMF compatible
b) Displays incoming number, total number of new calls and incoming
calls
c) Indicates repeat, private, long distance, and voice mail
d) Records 100 incoming calls
e) Automatically filters local area code
f) Check up to 16 outgoing calls and conversation time
g) Electronic calendar
h) Menu with operation instructions
i) Anti-EMI and thunder-proof design
j) LCD display with adjustable contrast