1.4 Port Asterisk GSM Card 2.PCI 2.2 Slot 3. PSTN, Phone, CDMA, GSM Support 4. ... GSM GOIP asterisk cardProduct Description Products: SinoV-GSM800 is a 8 wireless voice cards, slot type is PCI socket, line PCI 2.2 ... the features.GSM800 is a 8 port GSM channel wireless Asterisk PCI card which is mainly applied to GSM, PSTN and Internet environment ...