TOPCALL is a Unified Communications company providing Enterprise Fax solutions, as well as Voice, E-mail and Wireless services. TOPCALL offers native integration to Microsoft Exchange, Lotus Notes, Novell GroupWise, SAP, Siebel and IBM s MQSeries, as well as an open API for additional applications and databases. TOPCALL provides these solutions through telephony cards with 32-bit RISC processors and through Cisco s CallManager for IP transmissions. All systems are available in fault-tolerant configurations and are scalable from 2 - 7200 lines with a single system.