Main Functions and characteristics: 1) Suitable for 900/1800MHz public mobile GSM network, using SIM card 2) Can dial international, national, local and GSM calls 3) Caller ID 4) 4.131 x 64 big LCD display with adjustable contrast of 8 grades, which can show signal intensity, time, date, calendar, talking time, battery consumption, new message, startups of alarm, call divert and hands-free communication and mistakes (operation mistake or install SIM card by mistake) 5) LCD back light drive and dial-up keyboard illumination that is convenient to use at night 6) Calling record function that can store 20 groups of missed calls, received calls and 100 groups dialed calls automatically 7) Can proceed with the operations of view numbers, editing messages, store and delete 8) Supports the functions of redialing and hands-free 9) Supports English input by capital letters, small letters, and digits 10) Short messages function that supports short messages editing, storing, group sending, forwarding, deleting and text answering 11) Possesses 21 sweet music ringing tones, 5 levels of volume are adjustable 12) Key tones function when in the state of on-hook 13) There are dialing tone and busy tone when taking up the handset 14) Functions of call divert, call waiting and call barring 15) Functions of adding IP numbers and area code automatically 16) Function of locking the network 17) Function of phone and card mutual locking Packing: standard export packing