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When is an SBC likely to be useful?

VoIP Security and Session Border Controllers · 2026-06-30

An SBC is particularly relevant where a business connects SIP trunks, cloud services, remote users or multiple voice systems across network boundaries. 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.

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