Digium Asterisk Appliance (APPLIANCE) is a standalone embedded Asterisk-based PBX targeted for small to medium businesses (2-50 users), remote branch offices of larger organizations (2-50 users per site), and managed service providers for on-premise CPE-based solutions with SIP or IAX trunking. The APPLIANCE also offers a hybrid solution alternative (a combination of VoIP applications using legacy telecom equipment) for enterprise customers who are not yet ready to migrate to a complete VoIP solution.

Digium Asterisk Appliance 50 features the commercially licensed Asterisk Business Edition™ software, as well as the first Digium developed AsteriskGUI. The AsteriskGUI was created to make the configuration, management, and fine tuning of your Asterisk system less complicated by providing an easy to use graphical interface. The AsteriskGUI is different from most interfaces that have been created for use with Asterisk, because the interface actually manipulates the Asterisk configuration files; meaning changes in each are reflected in the other in real time.