PSTN (Public Switched Telephone Network), which is also referred to as POTS (Plain Old Telephone Service) is the original Bell Telephone network, which is the traditional land line.
To make an easy comparison, the PSTN is the world's Public Switched Telephone Network with different carriers such as; Verizon, Pacific Bell AT&T, etc., much the same way that the Internet is the network for the world's public IP-based-packet-switched service, with carriers such as; Google, Yahoo, Bing, etc.
Originally the PSTN was a network comprised of fixed analog line telephone systems. However, almost the entire network is now fully digital and includes not only telephone lines but also fiber optic cables, cellular networks, undersea telephone cables, microware transmission, fiber optic cables, communications satellites, and mobile devices all interconnected by switching centers, thereby allowing any telephone worldwide to connect with any other linked device.
Certainly, they have come along way from POTS!
The PSTN Compared To VoIP: A Feature By Feature Comparison
PSTN (Public Switched Telephone Network)
VoIP (Voice over Internet Protocol)
- The PSTN Has Dedicated Lines.
- Every line is a dedicated 64kbps (in both directions).
- Every feature such as; Caller ID, Call Waiting, Call Forwarding, etc., are available, but always at an additional cost.
- The system can be upgraded and expanded with new equipment and C.O. line provisioning
- Long distance is priced per minute or sold in bundles that you must use on a per month basis.
- Standard landline POTS (Plain Old Telephone System) phones are 'hard wired' to the line and remain 'live' during a power outage.
- All 911 calls are traced directly to your location.
- All circuits are carried over a single Internet connection.
- Compression of the circuit results in 10kbps (in both directions).
- Features such as; Call Forwarding, Caller ID, Call Waiting, etc., are generally free and included with your service.
- Upgrades to your service generally requires only software and bandwidth upgrades.
- Long distance is generally included with a bundle of minutes that you can use every monthly in your price.
- When you lose power you will lose both phone service and Internet unless you have a battery back up system.
- Emergency calls to 911 cannot always be traced to a specific location.
We are moving further and further away from the traditional PSTN, so you'll need to understand; What Is a PRI
, and from there the different possible configurations of a well designed PRI. By looking at; What Is a PRI Line
you will be able to see many of the advantages that this service could bring to your company.
By filling out the form below, we will be better able to assist you with your PRI decision. Additionally, we will send you an email immeditately with a 'Private Link' that will allow you special access to the 'detailed explanation'
of; The Top 10 Facts To Consider When Purchasing a PRI
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