Voice Over Internet Protocol (VOIP)
Definition: A protocol set of rules for communication
Definition: VOIP is the protocol which governs voice communication by sending the audio over the internet.
VOIP can be implemented by phone handsets which is connected to a computer network. Some popular apps also allow for VOIP, e.g Skype, Whatsapp, Discord, Telegram etc.
Figure 9 VOIP Implementation (Credit: http://cat5comms.com/landlines-and-voip/)
Some reasons why we use VOIP are:
- VOIP is cheaper than traditional telephone
- You can use VOIP if you do not have access to a phone
- VOIP has a high audio quality.
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