GAO Research Inc. (GAO) is a recognized international leading provider of communications software to telecom and electronics companies.

With a modest beginning in 1992, providing consulting services in DSP algorithms and audio software. GAO strategically repositioned in 1995 to target the embedded communications market. 

Today, the company provides the most comprehensive and unique suite of modem, fax, telephony, speech software, VoIP, fax relay, and fax/modem/voice relay software for embedded applications.