Key Telephone Systems

No one can get along for very long without having someone else to talk to. For many years, people have been relying on telephone systems of many different types in order to have communication. From the first telephone systems to hand held cell phones, people have turned to telephones in order to talk to the outside world. It is now possible to call anywhere in the world from a device that you can hold in your hand. Part of this entire system is the Key Telephone System - a system that has been used for communication for many years.


1. What Is a Key Telephone System?

Many people have used a key telephone system without even know what they were using. A key telephone system, otherwise known as a key system, is a set up that is very common in many different places. It is a set up that includes several different telephones and telephone parts.

The key telephone system is what allows people to transfer calls from one phone to another. It is a network of telephones that are all set up to basically work on the same telephone number. This is how you are able to transfer a call from one department to another using buttons that are on your telephone. It is often referred to as having many telephone lines - even if there is only one direct way to call into the system.

Key telephone systems are very notable and common because they are very easy to expand. This means that as a business or a school grows, more telephones and more lines can be added onto the existing system. They are also known for having individual buttons to select lines that are located on each of the phones. This means that no matter which phone you are at, as long as the phone is connected to the key telephone system, you will be able to choose the lines from which you would like to communicate.

There are several other features that you will be able to find with a key telephone system. Some of the connections will also include a private branch exchange. This can be something like an intercom that you can dial from one line. With this system you will be able to speak to an entire roomful of people, or use the intercom for other functions from the telephone you are at.

Basically, a key telephone system is what allows people to communicate and share information from room to room. A business or organization can have one telephone number, and that number can reach multiple phones and multiple people, depending on the buttons that are pushed.

2. Where Would You Find a Key Telephone System?

There are many common places that one can find a key telephone system. First of all, it is possible to find them anywhere that has a lot of rooms, a lot of people, or that does a lot of business. This is because the key telephone system is the best way to reach all of these people at once. Having many numbers attached to one business can be confusing and can take up too much time for customers. Therefore, it is important to have a Key Telephone System in any place that has more than one person to reach.

Some of the most popular places to find a key telephone system would be in small offices, schools, or companies. The only thing that must be present to install a key telephone system is the ability to run phone lines from one place to another. Therefore, key telephone systems are mostly found in offices that all are in the same building. However, it is possible to build key telephone systems for a group of buildings. This process takes much more time.

When a group or company installs a key telephone system into a group of buildings, it is often necessary to lay new lines for the telephone in the ground. This is a process that might take a lot of time. Therefore, the systems are most often found within the same building.

3. Electromechanical Shared-Control Key Systems

One of the main types of key telephone systems is called an Electromechanical Shared-Control Key System. This is a system that is usually no longer used. It was the first type of key telephone system, and was first created in the early 1950s.

The Electromechanical Shared-Control Key System was first created before the advent of large scale circuits that were integrated. The systems were built out of electromechanical components that were the same. These relays were parts of larger switching systems for telephones. Basically, they were smaller switchboards that were built on the same main switchboard system. In North America, the main electromechanical shared - control key system was called the 1A2 Key System and sold for many years.

4. Electronic Shared-Control Systems

Technology soon made it possible to have switchboards that were separate from the main switchboard for telephones. The Electronic Shared-Control Systems were developed next. The technologies that were discovered made it possible for key telephone systems to be developed that were independent of all other systems. This eliminated the use of relays, which made the entire system much more affordable, and much more private.

With the Electronic Shared-Control systems, it was also possible to get rid of all of the various wires and cables, and replace them with a simple cable. The technology allowed all of the information for the shared control systems to be carried in one cable, which was similar to the one cable used by regular phone lines.

Also, with the Electronic Shared-Control Systems, more features were added to the overall phone experience. This included answering machine functions, which allowed messages to be left on phones that were not answered. The technology also allowed for the entire system to be supervised - so it was possible to see which lines were being used, where there were calls holding, and which phones were not being answered. Another technology that was added to the Key Telephone Systems with this process was automatic call accounting, which meant that each call could be accounted for as it was brought in. Speed dialing was also another function that was added into the new system, along with Caller ID.

Not only were there new technologies that were added to the Key Telephone Systems with the Electronic Shared-Control Systems, but growth was made even more possible. The Electronic Shared Control Systems also had software that could be easily modified and customized. It also meant that as updates became available, one could add these to their computerized telephone systems.

5. Independent Keysets

The next revolution in Key Telephone Systems was the revolution of independent keysets. With these keysets, smaller systems were given more control over the way that the calls and the system worked. The independent keysets were able to tap into the entire system, without actually being connected to the control unit. This was because the control unit itself was no longer needed.

In the past, in order to have a Key Telephone System that worked well, a control unit would be needed. All of the calls would come into this unit, and the unit itself would send the calls to other phones and to other lines. However, with the independent keysets revolution, it was now possible to eliminate this control unit. The system would be made up of the individual systems that were all connected, but were not connected to one main control unit.

These systems are currently in use today, but are not large systems. It is much easier to use this type of system when there are only a few phones that must be connected to the Key Telephone System. As well as the limited capacity of this system, it is also often hard to make sure that all of the functions, such as speed dialing and memory systems, remain the same with all of the units that are connected.

6. PBX Systems

PBX Systems are much larger versions of the typical Key Telephone system. They are the most current and up to date method of Key Telephone Systems that are widely used. The difference between the old-fashioned Shared-Control systems and the PBX Systems is that with the PBX systems there is an allowance of the anonymous "trunk" lines. The older systems did not allow these lines to exist, but with the PBX systems, there is nothing barring it from being there. Therefore, the PBX system is something that is on the cutting edge of technology when it comes to Key Telephone Systems.

In the future, most of the Key Telephone Systems will simply be PBX Systems, and will no longer simply be comparable to these systems. This is because the PBX Systems are much easier to use and have many more functions than the typical Key Telephone Systems do.

7. Hybrid Keyphone Systems

The newest types of Key Telephone Systems that are currently being created and implemented into the market today are called Hybrid Keyphone Systems. These are systems that simply have kept up with the technology that now makes telephones so important to daily life.

For instance, the old Key Telephone Systems would not have been able to support things like wireless headsets or analogue or digital handsets. The Hybrid Keyphone Systems are systems that work in the same way as the regular Key Telephone Systems - yet have allowances for the newest technologies that one will find with telephones.

The Hybrid Keyphone Systems also allow for Bluetooth technology to be used with the phones. This means that voice dialing, voice answering, and headsets that are not connected to the phones itself are all being used with these new types of systems.

Another key reason to move to Hybrid Keyphone Systems is that they are supporting both analogue and digital equipment and calling. There is a vast difference between these two types of signals, and most of the Key Telephone Systems cannot support both of them. With the Hybrid Keyphone System, a business or company can intercept and work with signals that are both analogue and digital. With all of the technology that relies on both of these types of signals, this is a very important thing to be focusing on indeed.

8. Business Telephone Systems Using Key Telephone Systems

The businesses that use the Key Telephone Systems are able to take advantage of many different parts of the telephone network. First of all, they are able to allow many lines and many phones to be associated with one telephone number or with just a few telephone numbers. This often makes their business easier to contact, as people like to have only one number to contact. It also means that no matter what the problem is or who is available, there will be someone who is connected to the Key Telephone System to answer the calls. Many people appreciate businesses that are able to have someone there - even if it is not the exact person that they are looking for.

Businesses that use Key Telephone Systems can also take advantage of the ability to transfer calls from one unit to another. In situations such as customer service, banks, schools, or other institutions, it is often necessary for a caller to speak to more than one person - on more than one line - during the course of a call. Having calls that are transferable between different people is often the biggest reason for a company to use a Key Telephone System.

9. The Future of Key Telephone Systems

Like everything in the world, Key Telephone Systems are changed by changing technologies. Most of the Key Telephone Systems that are being produced now are fully digital, although many are still able to pick up analogue signals, and there are analogue variations that are still produced. The systems are also able to pick up and use the VOIP technologies that are often found within businesses.

As times change, there is more technology that goes into the production of these Key Telephone Systems. However, each system that is produced simply makes it easier for the public to communicate, and for callers to reach their destinations.
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