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Session Border Controller (SBC)

Definition - What does Session Border Controller (SBC) 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.

Techopedia explains Session Border Controller (SBC)

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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