... on Asteri 1E1 PRI PCI CARDDescription:u Target applications: ISDN PRI PBX, ISDN least cost router, Voice over IP PRI gateways, VoIP ... integration of ISDN equipment, PBX to PBX trunking.u Scalable: Just add additional ... operation, DTMF detection, PCM bus connectors (PCM30, PCM64, PCM128), PRI ISDN protocol stack.u High quality with low price.u Application ...