PBX Phone Systems

How to choose a PBX phone

PBX phone systems are common in businesses, though many people don't really know what they are. Essentially, they're a means of allowing employees to "share" outgoing phone lines without compromising service or call quality.

There are two methods of implementing a PBX system in your office. You can choose to purchase the equipment and connect the external lines necessary to serve your staff, or you can work with a PBX host. The decision really comes down to your budget and the needs of your company, and a greater understanding of how PBX phone systems work can help you make the evaluation.

What Is a PBX Phone System?

PBX stands for Private Branch Exchange. A PBX phone system works on a switch that allows phone users to share a number of outside phone lines, rather than each person having his or her own individual outgoing line. Businesses use PBX phone systems as a cost-saving measure because it can be quite expensive to hook up each employee to an outside line.

The PBX system affects both incoming and outgoing calls. Incoming calls are transferred from a telephone network running on a public switch (the call coming in) to the privately switched PBX network. For outgoing calls, employees must generally enter an access number before entering the phone number they wish to call. This access number connects the PBX line to an outside line so the call can be completed. VoIP phone service has changed the traditional PBX phone technology, which was basically an automated version of plugboard phone lines. Formerly, the "switches" referred to in the definition of PBX were simply automated switches used to route analog signals. Now that VoIP has become so popular, PBX systems have gone digital. The change from analog to digital has significantly lowered the price of PBX phone systems and has also made them easier to install and configure.

PBX Hosting

To reduce the cost of PBX phone systems even further, many companies choose to work with PBX host companies. These companies, including Virtual PBX and Asterisk hosted PBX (VoIP phone service is necessary for each of these hosts), host your PBX phone system in a virtual private server, which means you don't have to buy much of the equipment necessary for PBX phone systems. Advantages of this method include reliable service, backup power and an external source of bandwidth.

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