Ribbon Communications Inc. provides networked solutions in the United States, Europe, the Middle East, Africa, Japan, other Asia Pacific, and internationally. The company offers service provider solutions, such as fixed network transformation, mobile network evolution, secure network interconnects, network functions virtualization, cloud communications, and communications security solutions that enables secure and innovative business and consumer communications services. Its enterprise solutions include unified communications (UC), Nortel private branch exchange evolution, UC security, contact centers, Microsoft Skype for Business, session management, and security and cloud communications solutions that allows enterprises to connect securely to SIP trunks and modernize communications networks. The company also offers solution and business consulting, system integration, deployment, and managed care services; and support services, such as managing software updates, appliance maintenance, appliance spare services and managed spares programs, and emergency assistance during disaster recovery. It serves telecommunications, wireless and cable service providers, and enterprises through direct sales and indirect channels. The company was formerly known as Sonus Networks, Inc. and changed its name to Ribbon Communications Inc. in November 2017. Ribbon Communications Inc. was founded in 1997 and is headquartered in Westford, Massachusetts.