The Callista Group has a long and successful 23-year history in the design and development of call management systems, hospitality management systems and automatic dial-through fraud prevention systems.  Its systems are sold in more than 15 countries with an installed customer base of more than 9000. 

Callista is known for its innovative software design which incorporates state-of-the-art components to ensure accurate call management and hospitality management while simultaneously remaining easy-to-use and completely affordable - even for the smallest businesses or the smallest hotels, motels, lodges, B&Bs and hostels.

Callista has forged longstanding relationships with most of the world's largest PABX manufacturers to ensure that its systems can be as widely-used as possible.