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We consent to the incorporation by reference in Registration Statement No. 333-267415 on Form S-3 and Registration Statement Nos. 333-238888, 333-237224, 333-232946, 333-226624, 333-221240, and 333-266412 on Form S-8 of our reports dated March 31, 2023, relating to the financial statements of Ribbon Communications Inc. and the effectiveness of Ribbon Communications Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Ribbon Communications Inc. for the year ended December 31, 2022.