A PBX is a software and hardware bundle which acts as a switchboard for a telephony system of a company. An IP PBX and a traditional PBX needs a new set of hardware to set up and also software to install. It also needs some training and life long maintenance. The total cost of ownership can be a bit high. A hosted PBX comes into play to help solve this issue. A hosted PBX is a system which stays in cloud and is reachable via an IP network over the internet. It is provided as a service by an operator that takes all the hassles of software, hardware and storage and provides only easy services to companies. In simple terms, the entire PBX system is hosted by the operator and the end company only uses it as a client thus...