Main Function

1. Phone book storing up to 400 pieces of numbers(200pcs in SIM card and 200pcs in phone) 
2. Numbers group management: numbers can be sorted as Non-Dialing 4.group, direct dialing group, local call and IP access code
3. Receiving and sending short messages in English or Chinese Support 6.carrier locking
4. Support hand-free calling and hanging up
5. Supporting phone locking and SIM card locking
6. Intelligent power management
7. Setting free calls
8. Setting Barred calls
9. Store up to 600 pieces of billing record
10. Setting discount for different period of time
11. Setting or modifying parameters and rates in two modes: SMS and Serial port
12. Support network management through serial port and remote management
13. Setting and displaying time and date; calling back, redail and hands- free functions
14. Support to connect external ring loudspeaker in the loud surroundings (Such as in vessels or vehicles)
15. LCD displaying coming calls and the number of calls
16. Supporting call forwarding and incoming caller ID
17. Automatically add IP number or area code
18. You can adjust the volume and select type of ring tone, no after-sound and side-sound
19. Ringing even in off hook mode
20. Rate inquiring function for public use