When discussing voice cable, different applications and cable grades can come into play. With the advent of Voice over Internet Protocol (VoIP) the future of telephone cabling may change dramatically. But the fact of the matter is, we are still seeing over 90% of companies wiring for voice the same way it’s been done for the last 20 years: using voice grade wire and standard RJ11 jacks at the user end. In the wiring closet, the terminations of choice are still 66 blocks, 110 style terminal blocks (developed by AT&T), Bix blocks and Krone fields.

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