E1 - 1-ports ISDN PRI card. It can be used to build a PBX/Voicemail/Conference system based on Asterisk Open Source platform.

Target applications: ISDN PRI PBX, ISDN least cost router, Voice over IP PRI gateways, VoIP integration of ISDN equipment, PBX to PBX trunking.
Scalable: Just add additional cards to extend system.
Features: 1 Primary Rate Interface for CPE and NET operation, DTMF detection, PCM bus connectors (PCM30, PCM64, PCM128), PRI ISDN protocol stack.

Application ready: Use Asterisk, Trixbox, Elastix, etc more free software to build your IP PBX/Voicemail/ Conference
system.