Asterisk cards AX4E

One port ISDN PRI E1 card for Asterisk PBX

AX4E Asterisk card is the telephony PCI card that support four ISDN PRI E1 ports.
Using AX4E digital PRI card, open source Asterisk PBX and stand alone PC, users can create their IP PBX telephony solution include all the sophisticated features of traditional PBX, and extend features such as voicemail in IP PBX.

Features
Four ISDN PRI E1 ports 120 channels
Supports standard telephony and data protocols. (Including RBS and PRI protocol families for voice and PPP, Cisco HDLC and Frame Relay data modes)
100% compatible Asterisk PBX all features
PRI ISDN protocol stack 

Applications
ISDN PRI IP PBX
ISDN least cost router
Voice over IP PRI termination gateways
IVR system
Call Center

Hardware requirement
1.6-Ghz Pentium IV
512 MB RAM
3.3V or 5V PCI 2.2 slot

PCI card dimension:
95mm (height) × 126mm (Length