The University of North Texas' Ram Dantu (pronounced "Dan-Tu") is director of the UNT Center for Information and Computer Security and researches Voice over IP (VoIP) security. This research has led to a number of new companies: Sipera Systems, VoIP shield Systems, Kagoor Networks (which was acquired by Juniper Networks, a leading networking company with 2014 revenues nearly $5B) and Kayote Networks.
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