PABX Phone System Installation

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The history of the PABX

The PBX was first used by operators running company switchboards and, with the advent of the automatic system, two terms were coined to differentiate between the automatic and the manual systems:

• PABX: Private Automatic Branch Exchange
• PMBX: Private Manual Branch Exchange

Today PBX and PABX are synonymous, as the manual switchboards are no longer used.

The components of a PABX phone system

The following is a comprehensive list of components required for a PABX phone system installation:

• The PABX's internal switching network,
• Microcontroller or microcomputer for arbitrary data processing, control and logic,
• Logic cards, switching and control cards, power cards and related devices that facilitate PABX operation,
• Stations or telephone sets, sometimes called lines,
• Outside Telco trunks that deliver signals to (and carry them from) the PABX,
• Console or switchboard allows the operator to control incoming calls,
• Uninterruptible Power Supply (UPS), consisting of sensors, power switches and batteries,

• Interconnecting wiring,
• Cabinets, closets, vaults and other housings.

Installation of a PABX phone system

The following steps are necessary to install a PABX phone system:

• Plug in the system and configure the IP address. You can do this by calling up tech support.
• Install the software supplied along with the system on any one of your PCs and make sure it can communicate with the system.
• Set up your account with the service provider.
• Plug in your phones to the network, give them unique extensions and enter the configuration info in the PC. Voila, you are ready to go with your PABX phone system, installed and ready to use.

If you are having any problems with the installation of your PABX system and would like some help, get in touch with the technicians at FixTel. With over 35 years experience and a team of qualified staff, they are able to serve the needs of large organisations with complex needs to small start up companies. They provide a two hour service response 24 hours, 7 days a week throughout the year. Thus, they will be able to take care of all your PBAX system needs, from installation to maintenance and repair. For more information on FixTel Pty. Ltd., please visit

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