Release 2.5 was made generally available in December 2009 and is supported for installation on Avaya 9620, 9620L, 9620C, 9630, 9630G, 9640, 9640G, 9650, and 9650C IP deskphones. This is NOT the latest release of SIP software for installation on Avaya 96x0 IP Deskphones. The latest release is recommended for new development.
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