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VoIP Network Hardware

What is a Network Interface Device (NID)?

NID or Network Interface Device is the separation between a carrier’s local cabling and a customer’s on-premise wiring. Phone companies maintain wiring until the NID after which customers are responsible for the wiring.

They essentially provide a connection to a PSTN and are also known as a Network Interface Unit.

Related reading:

See why 100,000 companies trust Nextiva for VoIP service.

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