... PSTN, Phone, CDMA, GSM Support 4.DTMF Detection 5.Factory Price SinoV-GSM400 4GSM GOIP asterisk card/asterisk voip ... socket, line PCI-E 2.2 standards. It is mainly used in wireless, PSTN and ... . . Features:1,Support the access of wireless (GSM ), PSTN, Phone. 2,Supports GSM, CDMA two kinds of wireless ... exchanges across PCI interface at 132Mbytes/sec for minimum host processor intervention. 8, It ...