A Private Automatic Branch Exchange, better known as a PABX system, is a newer kind of switching system that connects different communication devices such as a telephone, fax machine, answering machine or intercom. This system makes it possible to place calls to the extensions free of cost. With a PABX install at your office, it handles all the switching task with the help of automated devices. A PABX, in contrast to a PBX (the Private Branch Exchange – the predecessor of the PABX), doesn’t need a live operator that was indispensable to complete the circuit to connect the call to the proper device. As technology advanced, newer electronic and automatic components.

Traditional PABX system

          The traditional system connects the callers to the extensions via only a handful phone line. These phone lines are typically analog along with the ISDN trunks connecting to the PABX system. Most of the latest PABX systems now support the VoIP calling and hence save up on the cost.

IP PABX system

          The On-Site IP PABX system (or the VoIP system, in short) is the newer and modified version of the classic PABX system. It utilises the existing internal network – the internet, to be specific, to connect to the extensions. As the internet became more reliable and less pricey over the years, the VoIP systems.

Cloud-based PABX system

          The cloud-based phone system is gaining popularity among the small and medium businesses day by day. A hosted PBX system is operated and maintained in an offsite location, and the businesses pay to take benefit of the service.