POTS Lines Are Going Away. Is Your Business Ready?
Aging copper phone lines are being retired across the country. For businesses, the challenge isn't simply replacing a phone line—it's identifying everything that still depends on one.
For decades, Plain Old Telephone Service—better known as POTS—quietly supported some of the most basic and critical communications systems in commercial buildings.
A phone line for an elevator.
A line connected to a fire or security system.
An emergency phone.
A fax machine.
An analog device tucked away in a utility room that nobody has thought about in years.
Those systems may not look like technology projects. But as telecommunications providers retire aging copper networks, businesses are being forced to identify what is still connected to those lines—and determine what comes next.
The POTS Retirement Is Already Underway
The transition away from copper isn't a distant possibility.
Major carriers are actively retiring portions of their legacy copper networks and migrating customers to newer technologies, including fiber and wireless services. AT&T has stated that it plans to substantially exit its domestic copper network by the end of 2029. In California, AT&T has announced a phased transition from traditional copper-based services to fiber and wireless in parts of the state beginning in 2027. Verizon is also issuing copper-retirement notices across multiple markets.
The exact timing varies by carrier, location and service.
That means there isn't one universal “POTS shutdown date.”
There is, however, a growing need for businesses to identify their exposure before their particular deadline arrives.
POTS Isn't Just a Telephone
This is where many organizations get caught off guard.
When someone hears “POTS replacement,” they may think about an old desk phone.
But traditional analog lines can support a surprisingly wide range of equipment, including:
Fire alarm and life-safety systems
Elevator emergency phones
Security and alarm systems
Building access systems
Fax machines
Emergency phones
Point-of-sale and payment equipment
Analog modems and other specialized equipment
Some of these systems are easy to identify.
Others may be buried in a closet, mechanical room, elevator machine room or telecommunications cabinet.
And the person responsible for the phone bill may not be the person responsible for the equipment connected to the line.
The First Step Isn't Buying a Replacement
Before choosing a replacement technology, find out what you actually have.
A POTS modernization project should begin with an inventory.
1. Identify every remaining POTS line
Review telecom invoices and carrier records.
How many analog lines are still active?
Where are they installed?
What are they costing?
Are there lines that are no longer being used?
2. Determine what each line supports
Don't assume a line is simply a phone.
Trace each connection to the equipment or system it serves.
A line labeled “elevator” may be obvious. A line with an unfamiliar number may not be.
3. Determine the requirements of the connected equipment
Not every analog device can simply be plugged into the same replacement technology.
Some applications have specific requirements involving power, signaling, failover, battery backup, emergency calling or regulatory compliance.
The replacement needs to be evaluated based on what the line does, not simply what the line is called.
4. Evaluate replacement options
Depending on the application, alternatives may include fiber-based voice services, wireless POTS replacement, analog telephone adapters, or other purpose-built solutions.
For organizations with traditional employee phone systems, this may also be an opportunity to evaluate broader communications modernization, including UCaaS—Unified Communications as a Service.
But POTS replacement and UCaaS don't necessarily have to happen at the same time.
The right solution depends on the application.
Don't Wait for the Carrier's Deadline
The most expensive time to discover a POTS dependency is when the carrier has already announced that the service is being retired.
At that point, an organization may be trying to coordinate:
IT
Facilities
Security
Fire and life safety
Elevator vendors
Telecom providers
Property management
Multiple locations
Multiple carriers
That's a lot of moving pieces for something that may have started with a single line on a phone bill.
For multi-location organizations, the challenge becomes even greater.
One property may have three remaining POTS lines.
Another may have fifteen.
A third may have none.
Without an inventory, it's difficult to know where the real exposure exists.
POTS Retirement Can Also Be an Opportunity to Reduce Costs
There's another reason to look at these lines now.
Traditional POTS service can be surprisingly expensive compared with modern alternatives, particularly when an organization is maintaining multiple analog lines across multiple properties.
A POTS audit can uncover opportunities to:
Eliminate unused lines
Consolidate services
Replace expensive legacy services
Modernize communications
Reduce recurring telecom expenses
Standardize solutions across locations
In other words, POTS retirement doesn't have to be just a forced technology change.
It can be an opportunity to clean up the telecom environment and eliminate costs that have been accumulating for years.
A Simple Question to Ask Your Team
Start with this:
“Where do we still have POTS lines, and what is connected to them?”
Then ask:
“What happens if those lines disappear?”
If nobody knows the answer, it's time for an inventory.
At Sagewood Technology Group, we help organizations evaluate telecom and technology services, identify unnecessary costs, and plan practical modernization strategies without starting with a particular technology or provider.
Because the goal isn't simply to replace an old phone line.
It's to make sure the systems that depend on it keep working—and that you're not paying more than you need to.
Need Help Identifying Your POTS Exposure?
If your organization still has traditional copper phone lines, Sagewood can help you review the services, identify potential replacement requirements and evaluate modernization options.
Don't wait for the copper to be turned off before you find out what's connected to it.
Contact Sagewood Technology Group to start a POTS replacement conversation.