Founded in 1976, Summa Four, Nasdaq "SUMA", combined innovation and technical excellence to pursue markets for internetworking computer
and telephony capabilities to create new user applications and solutions. The company's earliest products included network interconnect systems which led to the development of the VCOr (Virtual Central Office) Series of open, programmable switches.
Today, Summa Four is a leading provider of open, programmable
switches that enable telecommunications service providers worldwide to
build intelligent, flexible networks to deploy advanced wireline and wireless services. These applications include voice activated dialing, cellular and personal communications services (PCS), single number, international callback, intelligent 800, voice and fax messaging, credit and debit card validation and automated operator services.
Many of the world's leading telecommunications service providers choose Summa Four, including local and long distance carriers, public network operators, independent telephone companies, cellular, PCS, service bureaus and call centers. Summa Four switches are also a key component for many of the leading computer companies and application developers that provide telecom solutions.
Summa Four's VCO open, programmable switches have an advanced application programming interface and extensive internal control subsystems that simplify application development and speed
time-to-market. VCO switches also are scalable, utilize universal network interfaces, and are compliant with key telephone industry standards worldwide. VCO switches enable virtually any computer-based application to communicate with virtually any public network architecture. There are more than 900 Summa Four switches deployed in 28 countries on five continents.
An ISO 9001 certified company, Summa Four is headquartered in
Manchester, New Hampshire, has 185 employees, and offers sales,
service and support capabilities on a global basis. Summa Four Limited, the company's European subsidiary, is headquartered in the U.K. and has a regional office in Spain. Summa Four Pte. Limited, the company's Pacific Asia subsidiary, is headquartered in Singapore.
source: WWW summa4.com
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