Sansay is a provider of cloud-ready software-based VoIP and WebRTC session control infrastructure. It offers VoIP networks that deliver domestic and international wholesale telephony, prepaid services, VoIP and SIP trunking, mobile services, contact center applications, etc. The company also offers products such as VSXi, a software-based session border controller for security and DDoS protection as well as network address translation, and WebSBC that connects existing VoIP service networks to the new WebRTC applications and end users.