... /Voicemail/Conference system based on Asteri 1E1 PRI PCI CARDDescription:u Target applications: ISDN PRI PBX, ... Interface for CPE and NET operation, DTMF detection, PCM bus connectors (PCM30, PCM64, PCM128), PRI ISDN protocol ... Conference system. Features:u Support Industry Standard: PCI 2.2u The ZD1P can work with 3.3V ... and 5V PCI slot.u Support GPL Software driver use mISDN. ...