VOIP is everywhere. A huge concern is security.
General Dynamics' vIPer phone has been certified by the National Security Agency. It complies with: the government's Secure Communications Interoperability Protocol (SCIP); other compliant phones; Cisco Systems' Skinny Client Control Protocol and Sectera terminals.
General Dynamics will now develop it to support Session Initiation Protocol (SIP). Both SIP and SCIP are required for government and military secure communications from top-secret level down.
Source: General Dynamics
