A Session Border Controller is a network component that manages signaling and sporadically media transport while providing security and interoperability between various SIP-based networks. Over VoIP sessions, the SBC imposes security, quality of service, and admission control mechanisms. SBCs are employed in various network scenarios, including Peering SBCs are used between service providers, to gain access to a service provider, or at the location of a customer (enterprise SBCs)
An Enterprise Session Border Controller is a networking device placed in between networks that manage the data streams that pass through it by performing call setup and teardown (session), network demarcation/separation (border), and other types of management (control).
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