Ribbon offers enterprises real-time communications solutions to secure, migrate or replace an existing PBX, in their own network, in a private cloud or as part of a move to our Kandy Business Solutions cloud. Regardless of the deployment model, Ribbon offers organizations a secure, scalable and innovative alternative to proprietary PBX and UC products. Ribbon supports over five million enterprise seats, including hundreds of sites that have greater than ten-thousand seats. Ribbon embraces open standards including SIP and WebRTC without sacrificing functionality or reliability. Our straight-forward licensing models, robust REST APIs and SIP phone support contain costs, accelerate the pace of innovation and eliminate de facto vendor lock-in.