VoIP system for Wi-Fi Networks and Smart Terminals

The objective of this article is to investigate Voice over Internet Protocol (VoIP), wireless connections, and security protocols utilized in this network context. VoIP (Voice over Internet Protocol) is a technique that allows you to make phone calls via the Internet without using an analog phone system. The Voice over Wireless service was developed in early 2003 and was used in locations with many employees, such as hospitals, factories, and office buildings, where employees contact each other through Voice over Wireless LAN services that do not involve an additional management cost.