The first of its kind to offer the functionality of Asterisk PBX on a card with integrated E1/T1 and FXS, hardware based echo cancellation and Ethernet interface.

The first of its kind to offer the functionality of Asterisk PBX on a card with integrated ISDN BRI S/T and FXS, hardware based echo cancellation and Ethernet interface.

The first of its kind to offer the functionality of Asterisk PBX on a card with integrated analog FXO and FXS, hardware based echo cancellation and Ethernet interface.

A PCI card with up to 16 ports and interchangeable FXO/FXS modules

4-port ISDN T1 PRI PCI card

4-port ISDN BRI PCI card

AX-4E is a Quad-Span PCI card which supports both telephony and data modes

A 4-port PCI card with interchangeable FXO/FXS modules

AX-1E is a 1-port ISDN PRI card with support for up to 30 channels