Voice and video – use case

In the past, when companies wanted meetings, such as a sales meeting, a date was set and the salespeople kept their schedule open, travelling to the location of the meeting the night before and booked themselves into a hotel. This was very costly and time-consuming; nowadays we use videoconferencing where everyone connects to the meeting, does not have to travel, and can free their schedule, making them more productive. In the Security+ exam, we need to be able to understand which protocols are used. There are three main protocols and these are:

  • Session Initiated Protocol (SIP): Allows people from all over the internet, and those with VoIP, to communicate using their computers, tablets, and smartphones. An example ...

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