 MILPITAS, CA ACCESSWIRE September 21, 2021 Altigen Communications Inc. OTCQB:ATGN, a Silicon Valley-based Microsoft ISV and Cloud Solutions provider, today announced that the company will present at the 6th annual MicroCap Leadership Summit on Friday, September 24, 2021 at 9:40 AM Eastern time. Jeremiah Fleming, Altigens President and CEO will be conducting the presentation. 