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Types of Business Telephone System

Business telephone systems are very essential for a growing company. Having an idea on all types are very essential when choosing, maintaining, or upgrading your own business telephone system. Basically, there are three types of business telephone systems. All of which are differentiated into two categories. In other words, there are six types that are available on the market wherein three are just modifications of the basic systems. They are as follows.

Key System Unit (KSU) and KSU-Less

The key business telephone system has the KSU as the basic model. This is the very basic phone system suitable for small businesses that are consisted only of between 5 and 40 employees. It is very comfortable compared to the traditional phone system. The very fact it is called KSU is due to the central switching device that it use which is called as key system unit.

On the other hand, its counterpart, the KSU-Less has almost the same phone features yet differentiated by the portability and flexibility. KSU-Less does not have any central unit, hence the term “Less” after KSU. This is mostly preferred by much smaller company, probably, consisted of 10 or less employees. The very innovation of such system is the wireless capability. It is as if a KSU without the wirings or phone cablings. Nevertheless, the only downside of this system is that it is not commercially sold over the market. Hence, you need to inquire for them directly from telephone system providers.

Private Branch Exchange (PBX) and Hosted PBX

A more advance telephone system is the PBX which is more preferable for a company with 40 or more employees. Unlike Key telephone system, PBX has a lot of advance features like automatic routing of incoming calls through the use of its programmable switching devices. Aside from offering advance functionalities, PBX has also an uninterruptible power supply (UPS) capability which will definitely allow your company to function for a period of time even without the flow of electricity.

However, PBX is also modified into another system; the hosted PBX. From the word “hosted”, it only means that the switching devices are no longer installed within your office’s premises. Rather, your business telephone system will be hosted by a certain telephone provider which will assure that you are still capable of performing the PBX functionalities. The very advantage of this kind of system is with regards the maintenance and installation. In other words, maintenance costs are no longer a thing to worry.

Voice over Internet Protocol (VoIP) and Hosted VoIP

The VoIP is the latest innovation of the business telephone system. It is capable on whatever number of employees; however, the price for such system depends upon the number of users. The very advance function of VoIP is the use of internet and computer which basically allows the caller and the user to communicate with each other even if both of them were in two different countries. All telephone functionalities of this system can be operated through the computer itself; hence, more innovative and more convenient for the users when assisting callers.

Hosted VoIP, on the other hand, has the same functionality with the basic VoIP. However, similar to hosted PBX, it only differs upon the installation since the service provider is hosting the telephone system of the company. Thus, allowing the company to have more savings from maintenance and installation fees.

Author: Yazz

Yazz is a trained telecommunications engineer with a diploma in telecommunications. He has spent the last 15 years working for Telefonica, one of the largest telephone operators and mobile network providers in the world.