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What is a Session Border Controller in plain English?

VoIP Security and Session Border Controllers · 2026-06-29

VoIP carries business calls over IP networks, so the design needs security as well as call quality. A Session Border Controller can help control and protect voice traffic at the boundary between systems or networks. Pacific can assess the phone and network design, identify where an SBC or other controls are appropriate and configure the approved solution as part of the communications project.

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Use this answer as a practical starting point. Current scope, specifications, compatibility, availability, pricing, timing and next steps should be confirmed directly with Pacific Telephone & Data where they affect a decision.

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