 PLANO, Texas., Feb. 22, 2021 GLOBE NEWSWIRE -- DZS Inc. DZS NASDAQ: DZSI, a global leader of intelligent, packet-based mobile transport and broadband access converged edge solutions representing communications service providers and enterprise customers in more than 100 countries, today announced that unaudited financial results, along with accompanying supplemental financial information, for its fourth quarter and fiscal year 2020 have been posted as a report to stockholders to the investor relations section of its website at 