Acme Packet introduced a security requirements framework that identifies the requirements that a session border controller (SBC) must satisfy to protect the SBC itself; to protect the service infrastructure (e.g. SIP servers, softswitches, application servers, media servers or media gateways; and to protect subscriber, enterprise and service provider security including confidentiality and privacy. Acme Packet's "Net-SAFE" (Session Aware Filtering and Enforcement) spans seven functional areas, each of which is a collection of more specific requirements,...