Radvision

Radvision was a provider of video conferencing and telepresence technologies over IP and wireless networks based in Tel Aviv, Israel. It offered development and test suites for voice and video over IP communications. Radvision was acquired by Avaya in June 2012. Spirent Communications acquired Radvision's Technology Business Unit from Avaya in July 2014, to become Spirent Developer Tools Business Unit. In July 2017, Spirent Developer Tools BU was spun off into a private company called Softil Ltd.
History.
Radvision was founded by Ami Amir in 1992. In December 2011, it was reported that Radvision would be acquired by Avaya for $200 million. In March 2012 Avaya entered into an agreement to acquire the company for $230 million. Its shares were traded on both the NASDAQ and Tel Aviv Stock Exchanges until June 2012. The company had offices and development centers throughout America, Europe and Asia Pacific.