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For roughly 150 years, one piece of technology quietly connected American homes and businesses: the telephone line.
What began with Alexander Graham Bell's experiments in 1876 eventually became one of the country's most important infrastructure systems. Copper lines spread from individual buildings to cities and ultimately across the United States. Homes were built around them. Businesses depended on them. And eventually, we connected far more than telephones to those wires.
Fire alarms, elevator emergency phones, security systems, fax machines, gates, emergency phones and other specialized equipment all found their way onto the traditional telephone network.
Now the copper network is being retired.
But the equipment connected to it hasn't necessarily disappeared with it.
What You’ll Learn in This Episode
It Started With a Voice Traveling Across a Room
In March 1876, Alexander Graham Bell successfully transmitted his famous message to Thomas Watson using an experimental telephone.
The technology was primitive, but the concept would transform communications. Within just a few years, telephone exchanges began connecting subscribers, creating the foundation of what would eventually become an enormous nationwide communications network.
The Phone Line Became Infrastructure
The telephone's real transformation came when it stopped being an individual invention and became a network.
Engineers developed switching systems, loading coils, amplification and other technologies that allowed calls to travel increasingly long distances. By 1915, Bell in New York and Watson in San Francisco participated in the ceremonial opening of transcontinental telephone service.
Copper wasn't simply carrying phone calls anymore. It had become infrastructure.
We Connected Much More Than Telephones
Once traditional telephone service became nearly universal, businesses found other uses for the network.
Elevator emergency phones, fire alarms, security systems, fax machines, building access systems, gates and industrial equipment could all rely on traditional POTS lines.
That's part of what makes today's transition complicated. A business owner may think they stopped depending on traditional phone lines years ago while equipment somewhere in the building is still quietly using one.
Why Copper Is Being Retired
Maintaining a massive aging copper network for a shrinking customer base becomes increasingly difficult to justify economically.
AT&T says fewer than 2% of eligible customers still use legacy copper voice technology and has outlined plans to exit copper across the majority of its wireline footprint by the end of 2029.
The FCC has also taken steps to streamline the retirement of aging copper infrastructure as telecommunications networks continue moving toward newer technologies.
The transition has been building for years. Now it is accelerating.
The Phone Line Is Dying. The Things Connected to It Aren't.
This is the central challenge of POTS retirement.
A business may no longer need an old-fashioned landline for everyday voice calls. But an elevator still needs a way to make an emergency call. A fire alarm still needs to communicate. A security system still needs connectivity.
Removing the copper doesn't automatically remove the need the copper was serving.
POTS Replacement Is More Than Regular VoIP
It can be tempting to think every traditional phone line can simply be replaced with ordinary internet-based phone service.
Specialized equipment can make the transition more complicated.
Life-safety systems, elevator phones, alarms and other devices may have specific connectivity, reliability, power and regulatory considerations. Businesses need to identify what equipment is actually using their existing lines before deciding how those connections should be replaced.
Ooma AirDial Keeps Legacy Equipment Connected
Ooma AirDial is designed as a POTS replacement solution for equipment that still depends on traditional analog telephone connectivity.
Its architecture can use LTE and wired broadband pathways and includes integrated battery backup. That allows existing equipment to continue operating without requiring the traditional copper line that originally connected it.
That's an important distinction. Modernizing the network doesn't always require replacing every piece of equipment attached to the old one.
Sometimes the bridge between old and new infrastructure is the opportunity.
StarDial Takes the Phone Line Somewhere New
Ooma's StarDial provides another interesting example of how the traditional phone experience can survive after the traditional phone network disappears.
Designed for Starlink customers in rural, remote and off-grid locations, StarDial provides conventional home-phone functionality over a Starlink internet connection.
The copper line isn't part of the equation anymore.
The need for voice communication still is.
The Same Need Can Outlive Multiple Technologies
The history of telecommunications is full of technologies replacing one another while the underlying customer need remains.
Copper replaced earlier limitations. Cellular networks made communication mobile. Fiber dramatically increased capacity. Satellite broadband is expanding connectivity into places terrestrial networks may struggle to reach.
The technology changes.
The customer's underlying problem often doesn't.
POTS Retirement Creates a Customer Conversation
For Authorized Dealers, the copper transition creates an opportunity to ask questions customers may not know they need to answer.
What is still connected to your traditional phone lines?
Do you have elevator phones? Fire alarms? Security systems? Fax machines? Gates or other building equipment?
And most importantly: what happens to those systems when the copper line disappears?
Identifying those dependencies before retirement happens can turn a technical infrastructure transition into a valuable customer conversation.