AltiGen Communications to Participate in Unified Communications Road Show With SYNNEX and Microsoft

SAN JOSE, CA--(Marketwire - June 16, 2009) - AltiGen Communications, Inc. (NASDAQ: ATGN), a leading provider of 100 percent Microsoft-based VoIP business phone systems and Unified Communications solutions, is teaming up with SYNNEX Corporation (NYSE: SNX) in conjunction with Microsoft to kickoff a Unified Communications road show for Microsoft Partners. Popular industry topics will be discussed, including Microsoft Unified Communications, Virtualization, and the Business Productivity Suite. The road show will be hosted at Microsoft offices throughout the United States beginning on June 17, 2009 at Microsoft's San Francisco headquarters on 835 Market Street.

Each event will cover business-building insights for Microsoft partners including:

--  How to deliver exceptional value for clients with Microsoft-based VoIP
    and Unified Communications solutions
--  A customer centric approach to deploying the advanced communication
    capabilities of Exchange 2007 and Office Communications Server (OCS)
--  A closer look at the value of deploying software centric vs.
    proprietary network switch-based Unified Communications
--  An overview of AltiGen's New Microsoft-based Mobility Solutions
--  Collaboration with SYNNEX, Microsoft and AltiGen to profit from the
    growth projected for the Unified Communications market
    

"Comprehensive Unified Communication solution sets can provide a margin rich platform for traditional telephony and Internet Protocol technology resellers who seek to leverage Microsoft's investments in the voice and Unified Communications markets, as well as benefit their legion of exchange customers through a new and differentiated offering," said Bob Stegner, Senior Vice President of Marketing, North America at SYNNEX Corporation. "We are delighted to be partnering with Microsoft and AltiGen to advance the adoption of Unified Communications by offering training, education and complete comprehensive solutions sets to the VAR community."

"In collaboration with SYNNEX and Microsoft, AltiGen will educate Microsoft Partners on how to leverage their clients' investments in Microsoft infrastructure technologies in order to deploy a complete, cost effective, integrated Microsoft-based Unified Communications solution," stated Jerry Fleming, President and COO of AltiGen. "This event further demonstrates AltiGen's commitment to seamlessly integrate with Microsoft solutions in order to deliver exceptional value to Microsoft customers."

About AltiGen Communications

AltiGen Communications, Inc. (NASDAQ: ATGN) is a leading provider of 100 percent Microsoft-based VoIP business phone systems and Unified Communications solutions. Having more than 10,000 customers 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.

Safe Harbor Statement

This press release contains forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, including, without limitation, statements regarding the continued market acceptance of our Voice over IP telephone systems, and AltiGen's ability to successfully integrate with Microsoft solutions in order to deliver exceptional value to Microsoft customers. These statements reflect management's current expectation. However, actual results could differ materially as a result of unknown risks and uncertainties, including but not limited to, risks related to AltiGen's limited operating history. For a more detailed description of these and other risks and uncertainties affecting AltiGen's performance, please refer to AltiGen's Annual Report on Form 10-K for the fiscal year ended September 30, 2008 and all subsequent current reports on Form 8-K and quarterly reports on Form 10-Q. All forward-looking statements in this press release are based on information available to AltiGen as of the date hereof and AltiGen assumes no obligation to update these forward-looking statements.

Copyright 2009 AltiGen Communications. All rights reserved. AltiGen Communications, the AltiGen Logo and all other AltiGen, product and services names and slogans are trademarks or registered trademarks of AltiGen Communications. AltiGen and the AltiGen Logo Reg. U.S. Pat. & Tm. Off. Other names and marks are the property of their respective owners.