Sonus Networks, Inc. is a provider of networked solutions for communications service providers e.g., telecommunications, wireless and cable service providers and enterprises to help them advance, protect and unify their communications and improve collaboration. Its products include session border controllers, Session Initiation Protocol (SIP) session management servers, Voice over IP (VoIP) switches, SIP application servers, multiprotocol signaling gateways and network analytics tools. The Sonus GSX9000 Open Services Switch, or the GSX9000, bridges IP and TDM networks by converting any type of voice signal into IP packets and transmitting those IP packets over a data network. Sonus PSX Policy & Routing Server is the central routing and policy engine for its softswitch and (optionally) distributed SBC solutions. Sonus Global Services offers professional consulting and services that support its industry IP communications solutions.