ADTRAN, Inc. (NASDAQ:ADTN) Q4 2021 Earnings Conference Call February 3, 2022 12:00 AM ET Company Participants Tom Stanton - Chief Executive Officer and Chairman of the Board Mike Foliano - Senior Vice President and Chief Financial Officer Conference Call Participants Bala Reddy - Goldman Sachs Paul Silverstein - Cowen Tim Savageaux - Northland Capital Bill Dezellem - Tieton Capital Operator Ladies and gentlemen, thank you for standing by, and welcome to ADTRAN's Fourth Quarter 2021 Earnings Release Confere ...