Copper Sunset: A Complete Guide to POTS Replacement explains how carriers are decommissioning analog copper lines after the FCC deregulated them in 2019, driving up costs and creating service gaps. Many businesses still rely on POTS for fire alarms, elevators, and point-of-sale systems, so failure to replace them risks safety and liability. With 15–50 million lines still in use, the transition opportunity is massive but time-limited, requiring about 23,000 conversions per day over three years. Modern alternatives include LTE, VoIP, and fiber solutions offering reliability, scalability, and compliance. The guide profiles suppliers like Verizon, vCom, Granite, and Lumen, highlighting cost savings of 40–60%.

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