DZSI - DZS Inc. (DZSI) Q4 2021 Earnings Call Transcript February, 11 2022 11:30 PM DZS Inc. Image source: The Motley Fool. DZS Inc. (NASDAQ: DZSI) Q4 2021 Earnings Call Feb 11, 2022 , 10:00 a.m. ET Operator Continue reading For further details see: DZS Inc. (DZSI) Q4 2021 Earnings Call Transcript