Adding ladder rack, rack-based cable management, and the like does add cost.
However, the person will have trouble hearing the 4,000-hertz tone, and will not hear the 5,000- or 6,000-hertz tones at all! If you have 8 or 4 conductor wiring you can repurpose it for a home network.
Using side cutters, clip the brown pair close to the plug.
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