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Ribbon Communications (RBBN) investor relations material
Ribbon Communications Q3 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Q3 2025 earnings summary22 Oct, 2025
Executive summary
Q3 2025 revenue reached $215–$215.4 million, up 2–2.4% year-over-year, with year-to-date revenue up 6% to $617 million; growth was led by IP Optical Networks and international markets, while Cloud & Edge saw mixed results.
Launched Acumen AI ops platform, gaining strong customer adoption and initial deployments with major service providers; secured new EMEA DCI wins and a significant U.S. federal agency project.
GAAP net loss for Q3 2025 was $12–$12.1 million, an improvement from the prior year; non-GAAP net income was $7–$8 million.
Operating expenses decreased year-over-year, with ongoing restructuring and integration expenses.
Cash flow from operations was $26 million, with a closing cash balance of $74.8–$77 million.
Financial highlights
Q3 2025 revenue was $215–$215.4 million, up 2–2.4% year-over-year; non-GAAP gross margin was 52.6–53%, down year-over-year; GAAP gross margin was 50.1%.
Adjusted EBITDA for Q3 2025 was $29 million, slightly down year-over-year.
Non-GAAP net income was $7–$8 million, with diluted EPS of $0.04; GAAP diluted loss per share was $(0.07).
Cash from operations was $26 million; net cash provided by operating activities for the first nine months was $22.2 million.
Net debt leverage ratio was 2.2x; $344 million in senior term loan debt at 10.6% interest.
Outlook and guidance
Q4 2025 revenue projected at $230–$250 million; adjusted EBITDA expected at $42–$48 million.
FY 2025 revenue midpoint outlook is $857 million, with non-GAAP gross margin at 52.3–52.7%.
Q4 expected to be the strongest quarter, with Cloud & Edge gross margins in the high 60s and non-GAAP gross margin guidance of 55–56%.
Management expects full-year revenue growth, but slightly lower gross margins due to product mix and increased professional services.
U.S. government shutdown impact removed from Q4 projections; purchases assumed to occur in 2026.
Acumen AIOps platform's expected revenue impact?
Factors for Q3 gross margin decline?
Expected Q4 impact of government shutdown?
Acumen/AI platform revenue contribution?
US federal business growth post-shutdown?
IP Optical sustainable EBITDA path?
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Next Ribbon Communications earnings date
Q4 202512 Feb, 2026
Next Ribbon Communications earnings date
Q4 202512 Feb, 2026
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Frequently asked questions
Ribbon Communications Inc. provides communications technology in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. The company offers digital network transformation solutions that address next generation communications requirements, including web real-time communication, session initiation protocol trunking, video, voice over long term evolution; service provider session border controller; unified communications solutions. Ribbon Communications Inc. was founded in 1997 and is headquartered in Plano, Texas.
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