Digium Asterisk Appliance is a one box does all solution for SMB, you can
look at it as replacement traditional PBX. It contains all features you would
expect from PBX plus many other breath taking I-PBX features. Designed to meet
the needs of businesses and branch offices with up to 50 users, Asterisk
Appliance can be easily configured by customers or resellers and supports VoIP
and traditional analogue phones alike.
It includes embedded Asterisk Business Edition telephony software, Digium
hardware, the Digium-developed Asterisk graphical user interface and
documentation.