AltiGen to Announce Third Quarter Fiscal 2011 Profits on July 20

SAN JOSE, CA — AltiGen Communications, Inc., the leading provider of integrated Microsoft-based Unified Communications solutions, will announce its third quarter fiscal 2011 financial results afterwards the close of regular market trading on Wednesday, July 20, 2011. The Company will as well hold a conference call to discuss the results at 2:00 p.m. Pacific Time.

AltiGen Communications, Inc. is a leading provider of 100% Microsoft-based VoIP (Voice over Internet Protocol) business phone systems and Unified Communications solutions. Having more than 10,000 clients around the world, AltiGen solutions are designed for high reliability, ease of use, seamless integration to Microsoft infrastructure technologies, and are built on a scalable, open standards platform. AltiGen's worldwide headquarters is in Silicon Valley, California, with international operations based in Shanghai, China. Local sales, service and support are provided by AltiGen's worldwide network of over 300 certified partners. For more information, call 1-888-ALTIGEN or visit the web site at www.altigen.com.