Astribank offers a wide variety of FXS, FXO, BRI ISDN and I/O ports combinations.
Multiple Astribank units may be connected to a single Asterisk server using different USB 2.0 ports, USB 2.0 hub or USB 2.0 PCI card. Astribank is the leading solution in high density Asterisk systems, as in hotels, motels, apartment buildings etc.

Astribank's driver is an official part of Zaptel since release 1.2.4 (Feb. 2006) making Astribank integral with Asterisk systems. Today Astribank is tested with Debian, CentOS 5 and Trixbox (CentOS 4).