Digium is a communications technology company specializing in business phone systems and custom telephony solutions. Switchvox is Digium's Asterisk-based unified communications system designed for small and medium businesses.
The Digium Switchvox API lets you query information from your Switchvox PBX. This allows you to perform a multitude of tasks such as downloading an XML call log, getting a list of all extensions, and downloading a user's voicemail messages. The API's call creation methods allow you to build auto-dialers, add click-to-call functions to other applications, and more.