Ribbon munications (RBBN) - 2025 Q2 - Quarterly Results

Exhibit 99.1 Record Second Quarter Revenue Up 15% Year Over Year Profitability at High End of Guidance Robust Growth in Service Provider and Enterprise Markets PLANO, Texas – Ribbon Communications Inc. (Nasdaq: RBBN), a leading supplier of real-time communications technology and IP optical networking solutions, today announced its financial results for the second quarter of 2025. Ribbon Communications is dedicated to assisting the world's largest service providers, enterprises, and critical infrastructure o ...