IP sim dialer for mobile phone

Feauters: 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, for Nokia, for Motorala,for Sonny Erisson, for Samsung, for LG and so on 10.Welcome to customize product features, take orders oem