Callision is the world's first carrier-independent cloud business phone system, and the first freemium enterprise-grade Contact Center as a Service (CCaaS). Callision allows its customers to use their preferred VoIP carriers, simultaneously providing carriers with new leads and the advanced contact center functionality to complement their offerings.

Callision provides everything from phone numbers in over 60 countries to live employee monitoring and call recording, to conferencing, call queues and IVRs, web phone and chat, file storage, and a comprehensive analytics suite - all from the convenience of a web browser.