Ribbon Communications reported Q3 2025 revenue of $215 million, up from $210 million a year earlier. The company posted a GAAP net loss of $12.1 million ($-0.07 per share) and non-GAAP EPS of $0.04. Adjusted EBITDA reached $28.9 million, supported by strong contributions from the IP Optical Networks segment and disciplined cost management.
Revenue was $215 million, increasing 2% year over year from $210 million.
Non-GAAP adjusted EBITDA was $29 million, consistent with prior-year levels.
GAAP gross margin was 50.1%, while non-GAAP gross margin was 52.6%.
Cash flow from operations was $26 million, with cash balance rising to $77 million.
For Q4 2025, Ribbon projects revenue between $230 million and $250 million, non-GAAP gross margin in the range of 55% to 56%, and adjusted EBITDA between $42 million and $48 million. The company expects continued strength in IP Optical Networks and a stable demand environment across its customer base.
Visualization of income flow from segment revenue to net income
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