DuMV@PCI: 2 ports GSM/VoIP PCI Card is Full function (both GSM and VoIP) on board , SIP based and compatible with Asterisk. It can enable to make 2 calls simultaneously from IP phones to GSM/CDMA/UMTS networks and GSM/CDMA/UMTS networks to IP phone.
Beside Voice,2 ports GSM/VoIP PCI Card support SMS sending and SMS receiving on web directly . Also allows your program Send/receive SMS with all AT Command .
Worldwide use ( 2G-850/900/1800/1900 MHz ,3G compatible with all world and Japan,CDMA 2000)
* Can't support Remote sim