Electronic Private Automatic Branch Exchange (EPABX) is used in large & medium organizations for faster communication among employees. The system can also be useful for external communication with clients and beneficial to keep everyone within the loop.
This system works like a mini telephony exchange. If we have two telephone lines it can be used by eight lines and calling can be done from these eight numbers at the same time by having only two telephone line or number. EPABX is also known as Private Branch Exchange (PBX) and (PABX) Private Automatic Branch Exchange.