The full form of VOIP is voice transmission over the Internet. It is the system that enables us to transmit voice over internet or data lines. Companies that use external calls are continuously using VoIP technology. If a company chooses a fixed line for tens of different branches and hundreds of different departments within the company, then it needs to pay a massive amount as telephone bill. However, when VoIP service is purchased from companies that offer VoIP services over the existing internet infrastructure, it becomes easier for them to reduce the call cost and conduct business communications promptly. VoIP…