Session Border Controller

What Does Session Border Controller Mean?

A session border controller (SBC) is an application that applies signaling and media stream control to interactive types of communication. SBC is deployed in Voice over Internet Protocol (VoIP) networks.

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Techopedia Explains Session Border Controller

A SBC manages data session communication between two entities and is associated with the following voice call streams:

  • One or more management signaling exchanges
  • One or more media streams containing audio, video and/or statistical data

Early SBC versions used a peer-to-peer (P2P) system for network border management. This functionality was gradually expanded to manage major service provider and backbone network deployments for residential and enterprise clients.

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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…