Tbaytel Selects Ribbon’s Virtualized Solutions to Modernize its Voice Communications Network

Plano, TX - August 12, 2021 - Ribbon Communications Inc. (Nasdaq: RBBN), a global provider of real time communications software and IP Optical networking solutions to service providers, enterprises, and critical infrastructure sectors, today announced that Tbaytel, the largest independently owned telecommunications provider in Canada, has selected key components from Ribbon’s fixed voice core solutions suite to modernize its communications network. Ribbon is deploying its industry-leading Virtual C20 Call Controller, G6 Media Gateway, Diameter Signaling Controller (DSC), Policy and Routing Server (PSX) and STIR/SHAKEN (identity assurance) solutions. “We are committed to delivering our customers the best telecommunications experience possible and this network upgrade is critical to helping us continually offer our residential and business customers the latest in voice and security technology,” said Kory MacLeod, Tbaytel’s Vice President and Chief Technology & Information Officer. “This was a very competitive project, but in the end, we were extremely pleased with Ribbon’s performance during the proof of concept and the level of service and expertise of their professional services organization.” “Tbaytel has built its reputation on being an excellent community and corporate partner who is laser-focused on providing top-tier communications services to its customers, so we are delighted to extend our longstanding partnership with them and excited to help modernize their communications network,” said Dave Shier, Ribbon’s Vice President of Sales for Canada. “Ribbon’s comprehensive suite of virtualized network transformation solutions deliver Tbaytel the latest in voice, media, signaling, and routing capabilities, while enabling them to improve their total cost of ownership and dramatically reduce power, real estate and maintenance costs with significantly less hardware requirements.” Ribbon boasts one of the most comprehensive voice network transformation and security portfolios in the industry and serves communications service providers around the globe ranging from the smallest independent operating companies to the largest tier-one operators including Verizon, BT, Bharti Airtel and others. Tbaytel is also leveraging  RibbonCare, a comprehensive portfolio of services and support offerings, to minimize their operational expenditures (OPEX) during the upgrade. Key Takeaways:

• Tbaytel, Canada’s largest independently owned telecommunications company, has selected key solutions from Ribbon’s industry-leading network transformation portfolio to help modernize and further secure its communications network.
• Ribbon’s Virtual C20, G6 Media Gateway, Diameter Signaling Controller, Policy and Routing Server and STIR/SHAKEN solutions are all being deployed to deliver Tbaytel a state-of-the-art communications network.
• Tbaytel selected Ribbon because of its strong performance during the proof-of-concept and the world-class capabilities of Ribbon’s Professional Services Organization.
• Ribbon delivered a cost-effective network modernization solution that will enable Tbaytel to improve its total cost of ownership, while dramatically reducing power, real estate and maintenance costs with significantly less hardware requirements.
• RibbonCare, Ribbon’s comprehensive portfolio of professional services and support offerings, allows Tbaytel to minimize their OPEX during the upgrade.

About Tbaytel Since our founding in 1902, Tbaytel has grown to become the largest independently owned telecommunications provider in Canada. We recognize the importance of evolution and innovation, and are committed to providing customers across northern Ontario with the best telecommunications services available to them where they live. To learn more visit  Tbaytel.net. About Ribbon                                                                                   Ribbon Communications (Nasdaq: RBBN) delivers communications software, IP  and optical networking solutions to service providers, enterprises and critical infrastructure sectors globally. We engage deeply with our customers, helping them modernize their networks for improved competitive positioning and business outcomes in today's smart, always-on and data-hungry world. Our innovative, end-to-end solutions portfolio delivers unparalleled scale, performance, and agility, including core to edge software-centric solutions, cloud-native offers, leading-edge security and analytics tools, along with IP and optical networking solutions for 5G . To learn more about Ribbon visit  rbbn.com. Important Information Regarding Forward-Looking Statements  The information in this release contains forward-looking statements regarding future events that involve risks and uncertainties. All statements other than statements of historical facts contained in this release, including those regarding th expected benefits of Ribbon Communications' products, are forward-looking statements. The actual results of Ribbon Communications may differ materially from those contemplated by the forward-looking statements. For further information regarding risks and uncertainties associated with Ribbon Communications' business, please refer to the "Risk Factors" section of Ribbon Communications' most recent annual or quarterly report filed with the SEC. Any forward-looking statements represent Ribbon Communications' views only as of the date on which such statement is made and should not be relied upon as representing Ribbon Communications' views as of any subsequent date. While Ribbon Communications may elect to update forward-looking statements, Ribbon Communications specifically disclaims any obligation to do so.