1.Work with GSM SIM card,
2.easy to installed.
3. need to punch the sim card, just attach to the sim card
4.could store 3 access number
5. could rerout use's call after programming the specified access number.
6.could set prefix go through or by pass the diater.
7.Support three working mode
8.no need to change user's conventional dialing habit
9.Compitable with many mobile phones,Nokia,Motorala,Sonny Erisson,Samsung, LG and so on
10.Welcome to customize product features, take orders oem
new software can meet OEM requirements
Compatible for Blackberry/ HTC /Nokia/ Samsung and ect
Special for Iphone with chips
GPRS Callback service
Call through service
Direct call service
Can easily to input PIN when you want to change service number