Metreos was a software company that created and sold development and runtime tools for creating voice over Internet Protocol software applications. The company was founded by Louis Marascio and Mark Richards and was based in Austin, Texas, United States. On June 8, 2006 Cisco Systems announced it was acquiring Metreos for $28 million in cash. On June 30, 2006 the acquisition of Metreos by Cisco Systems was completed.