FREMONT, CA--(MARKET WIRE)--Jan 14, 2009 --

 
When:  Wednesday, January 21, 2009, 2:00 p.m. Pacific Time (5:00 p.m. ET)

Who:   Jerry Fleming, President and Chief Operating Officer and
       Phil McDermott, Chief Financial Officer

What:  AltiGen Communications, Inc. (NasdaqCM:ATGN - News) teleconference to
       announce Fiscal 2009 First Quarter results.

How:   Dial (800) 894-5910 (domestic) or (785) 424-1052 (international)
       to listen in to the call. The conference call ID is "AltiGen."
       A live Webcast will also be made available at http://www.altigen.com.
       A telephonic replay will be available approximately one hour after
       the call through January 23, 2009. To access the replay, dial
       (800) 695-0715. A Web archive will be made available at
       http://www.altigen.com for 90 days following the call's conclusion.

About AltiGen Communications

AltiGen Communications, Inc. (NasdaqCM:ATGN - News) is a leading provider of VoIP business phone systems and Microsoft-based Unified Communications solutions for small-to-medium businesses (SMBs), including companies with multiple distributed locations, branch offices and call centers. AltiGen's scalable, integrated, and easy to manage all-in-one unified communications solutions enable an array of applications like standards based SIP VoIP phones and servers, unified messaging, voicemail, call recording, conferencing, call activity reporting and mobility solutions that leverage both the Internet and the public telephone network to take advantage of the convergence of voice and data communications. AltiGen's systems are designed with an open architecture and are built on an industry standard platform. This adherence to widely used standards allows products to integrate with and leverage the existing technology investment of partners and customers. For more information, call 1-888-ALTIGEN or visit the website at www.altigen.com.