There are several kinds of telephone systems today for all types and sizes of business enterprises. The different systems enable personnel in a business house to communicate both within the organization and outside to their customers and associates. Check for Business Phone Systems in Linkedphone. The primary types of business phone systems are the Private Branch Exchange (PBX), Key System Unit (KSU), Voice over Internet Protocol (VoIP) and mobile devices.

Private Branch Exchange (PBX) Telephone System

The most common and traditionally popular telephone system is the PBX system, which is appropriate for organizations with at least 40 or more employees. The PBX system is suitable for expansion in case of business growth, and usually comprises most of the features needed for general communication. PBX systems have certain features, such as one central number and extensions to reach various personnel, automatic call distribution and answering, and customised greetings to callers.

Key Service Unit (KSU) Telephone System

The KSU system consists of a multi-line telephone service that includes the phones, wires, jacks and other necessary hardware, plus a central unit that is a special computer referred to as the Key Service Unit (KSU). This is the size of a normal medicine cabinet and is usually attached to a wall with an electrical outlet positioned nearby. The KSU system enables users to manually control and direct incoming calls. This type of business phone system is suitable for organizations with 10 to 40 employees. It is usually less costly than a PBX system and can handle fewer connections. Among its various standard features and functions, the KSU system permits interoffice dialing, and shows lines that are already engaged.

The VoIP Alternative

A new addition to the range of business phone systems is the Voice over Internet Protocol (VoIP) system. An innovative system that does not need too much software or hardware, the VoIP alternative is now gradually replacing the traditional methods of telephony with reduced costs and many additional features. The hosted VoIP system eliminates infrastructure costs to a great degree because calls are diverted to virtual software that is known as a “softphone”, which functions as a phone interface. Using headset and microphones, company personnel can make and receive calls through the Internet. This system cuts costs substantially. Expansions and other modifications are possible without incurring additional hardware and other additions.

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The VoIP system also enables calls to be directed to mobile devices, so company employees can conduct business while away from the office location. Wireless communication allows users to connect to the Internet, check mail, and do anything they would do if connected to the Internet at their offices.