ZX-4E is a Quad-Span E1 half-length PCI card which supports both telephony and data modes. ZX-4E has four E1/PRI interfaces supporting PRA signalling, HDLC,PPP and Frame Relay data modes, and any combination thereof. With ZX-4E, you can easily build your IP-PBX or Carrier system with handling 124 channels/calls:

Features:

1. Same as Tormenta2 and Digium's E400P cards,

2. Provide four E1/PRI interface for to 124 channels/calls

3. Supports standard telephony and data protocols. (Including RBS and PRI protocol families for voice and PPP, Cisco HDLC and Frame Relay data modes).

4. 100% compatible Asterisk PBX all features.

5. Support SS7 (through chan_ss7)

6. Be used for VoIP/Call Center/PBX