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There are three basic types of business telephone systems: KSU, PBX, and VoIP. For each of these systems, there is a hosted (cloud) and a non-
1. The most basic model of phone system is the Key Business telephone system that uses the Key System Unit (known as the KSU). This type of system is only suitable for small businesses with no more than 40 employees working as phone operators, due to the limitations of the number of phone lines incorporated it can accommodate. It's an easy-
The variation of this system is called KSU-
2. Another type of system is the Private Branch Exchange system (known as PBX). This is a more advanced system than the KSU and KSU-
3. The latest telephone innovation offered for businesses is Voice Over Internet Protocol (known as VoIP). This is the most advanced system by far, allowing a potential client and phone operator to communicate with each other even if the two are in completely different countries. It works with the use of both the Internet and a computer. However, this also makes it the most costly system, with the cost determined by the number of employees needing to use the system. The main benefit of this system is that all functionality can be accessed via computer.
Similarly to the previous system, the VoIP system can also be hosted, offering the same advantages as the basic VoIP system, with less installation and maintenance involved for the business using it, as the service provider hosts the main telephone system.
Types of Business Phones and Features