The PSTN Proves Old School Tech Still Has Its Place

 
 
PSTN (Public Switched Telephone Network)—The world’s collection of interconnected, voice-oriented public telephone networks, both commercial and government-owned.
 
Whenever you say “landline”, you are referring to a phone line that uses the PSTN. The PSTN is an invaluable infrastructure, and it’s not going to be replaced anytime soon. Even though the telecommunications industry has made a few leaps over the past few decades, the wireless network still can’t provide the kind of coverage provided by the PSTN. In fact, wireless networks depend on it to fill in its gaps in coverage to complete calls.

 
business woman on phone

There’s Nothing Like the Original

Have you ever wondered how your calls are connected? Well, it’s a little more complicated than it used to be, but the old system is still very much in use. The original PSTN, or POTS (Plain Old Telephone Service) is exactly what you think it is: Copper wires, underground and overhead, that carry your voice instantly from one phone to another.

 
phone lines

The Suspended Network

Since the first telephone lines were suspended across poles, all over the country, there has been much advancement in the technology; in fact, many of these lines are now buried underground. It makes you wonder—why didn’t they do that, in the first place? Humans can be slow learners, sometimes.

 
install fiber optic line

The Hybrid Telecom System

Today, our calls and other information are being transmitted with the use of other materials like fiber-optic cable. After a while, digital and wireless infrastructure began to be integrated into the existing network of landlines, which is why calls are now connected using a mixture of these networks.

 
att tower

Corporate Takeover

Wireless super-companies like AT&T want to do away with the PSTN because, of course, they could then monopolize the entire telecom infrastructure. The problem is that the PSTN is still the only network that can provide total coverage to rural and remote locations, and it is federally mandated that all U.S. citizens have access to at least one landline.

 
farm fire

Last Resort

How terrible would it be if some people in outlying areas had no way of dialing 911, in an emergency? It is for this reason that the Plain Ol’ phone network is largely considered the Carrier of Last Resort (COLR), or the phone network we use when all other networks fail. The PSTN carries this responsibility because there are some places your cell phone simply will not work, but those dilapidated old copper lines—they will be there.

 

 

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About The Author

Patrick Foster is the Content Marketing Manager @ Talkroute
Email Patrick


patrick foster

About The Author

Patrick Foster is the Content Marketing Manager @ Talkroute
Email Patrick


 
SOURCES:
1. “PSTN (public switched telephone network),” Essential Guide: Unified Communications Technology Basics, Search Networking, Tech Target, http://searchnetworking.techtarget.com/definition/PSTN

The PSTN Proves Old School Tech Still Has Its Place