RBBN - Ribbon Communications Inc. (RBBN) Q1 2022 Earnings Call Transcript April, 27 2022 09:30 PM Ribbon Communications Inc. Image source: The Motley Fool. Ribbon Communications Inc. (NASDAQ: RBBN) Q1 2022 Earnings Call Apr 27, 2022 , 4:30 p.m. ET Operator Continue reading For further details see: Ribbon Communications Inc. (RBBN) Q1 2022 Earnings Call Transcript