Do you know of any Unified Communications system which accommodates individual customer's requirements? - We do! Callisto doesn't only provide standard requirements like voicemail, fax, and conferencing, but also the most special customer requirements can be realised via the integrated "Open Inbound Manager" interface (OIM). Via this OIM interface, individual scripts from the development environment CTMaker® can be loaded into the standard Callisto system. This way, any useful customer requirements defined in any specifications can be realised extremely easily, quickly and cost-efficiently. Complete with an individualised Callisto web interface for the configuration of the customers' applications. Some customer application examples are: