EPABX is an abbreviation that stands for Electronic Private Automatic Branch Exchange. It comes under the category of business phone systems which serve a business environment. Multi-line connections can be made through a single telephonic connection. It is an office equipment of immense use for telephonic connectivity with extensions of a single phone line. It can be rented from office equipment suppliers too.
Business Phone System for Office Communication
EPABX has proven to be of immense use in communicating within office, making routine work simpler. It can be defined as a switching system for calls that enables both internal as well as external switching functions in an organization. Typically up to 10,000 subscribers can be accommodated by a single EPABX system.
Range of Functions
EPABX as a business phone system possesses a versatile range of functions. The numerous tasks that can be performed by EPABX are listed below.
+ Auto Attendant
+ Automatic call distributor
+ Automated directory services
+ Automatic ring back
+ Call accounting
+ Call forwarding on absence
+ Call forwarding on busy
+ Call park
+ Call pick-up
+ Call transfer
+ Call waiting
+ Conference call
+ Custom greetings
+ Customized Abbreviated dialing (Speed Dialing)
+ Direct Inward Dialing
+ Direct Inward System Access (DISA) (the ability to access internal features from an outside telephone line)
+ Do Not Disturb (DND)
+ Music on hold
+ Night service
+ Shared message boxes (where a department can have a shared voicemail box)
+ Voice mail
+ Voice paging (PA system)
Components of EPABX
+ Internal switching network.
+ Microcontrollers and microcomputer for arbitrary data processing for control and the logic.
+ Logic cards, switching and control cards, power cards and related devices to facilitate operation.
+ Stations or telephone sets, sometimes called lines.
+ External Telco trunks that deliver signals to and from the EPABX.
+ Console or switchboard allows the operator to control incoming calls.
+ UPS, connecting wiring, cabinets and other housing materials.
The selection of an EPABX must be carefully done based on a detailed study of the traffic flow and needs of the office. They make communication within office easier and hence become a requisite as a business phone system in an office environment.