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For more than a century, POTS (Plain Old Telephone Service) was the backbone of business and residential voice communications. These analog copper phone lines powered everything from desk phones to fax machines, fire alarms, elevators, and security systems.
That era is officially ending.
Both AT&T and Verizon—the two largest telecommunications providers in the United States—have announced that they are no longer selling and are actively discontinuing support for POTS lines.
If your organization still relies on analog phone service, the timelines below are critical.
Traditional copper networks are expensive to maintain and increasingly unreliable. As voice traffic has shifted to IP-based and wireless technologies, carriers have:
AT&T has been very clear about its copper retirement strategy, with formal notices and regulatory filings outlining specific milestones.
What this means:
If you still have AT&T analog lines, you can no longer expand or modify them—and full retirement is coming.
Verizon has also begun actively sunsetting legacy voice services, including POTS, PRI, and TDM-based offerings.
What this means:
Even if your Verizon POTS line still works today, it is living on borrowed time—with shrinking support and rising costs.
Waiting is no longer an option. Smart organizations are taking action now by:
POTS is not just “going away someday.”
It is already being retired by the largest carriers in the country.
Organizations that delay migration risk service interruptions, emergency communication failures, and rising costs on unsupported infrastructure. The smartest move is to plan now—before carriers force the transition on their timeline, not yours.
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