Ribbon Communications Inc. reported financial results for the second quarter ended June 30, 2026. Revenue was $192 million, a decrease from $221 million in the prior-year period, while GAAP operating loss widened to $12 million from a $4 million income. Non-GAAP Adjusted EBITDA was $12 million, down from $32 million. The company provided updated guidance, projecting Q3 2026 revenue between $215 million and $230 million and full-year revenue between $810 million and $840 million. Ribbon operates in the telecommunications equipment and networking industry, providing voice communications software, IP routing, and optical networking solutions.