Definition of VoIP
VoIP stands for Voice over Internet Protocol, and it represents an alternative to classic landline and mobile telephony. It uses the Internet for voice transmissions, which comes with both advantages and disadvantages.
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Advantages
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The lower cost is the main advantage of VoIP. Since it uses a large infrastructure already built, VoIP has a wide coverage area; extending it even more is cheaper than in the case of classic landline telephony. VoIP also provides portability, allowing you to take your phone with you wherever you go and use it by connecting it to an Internet connection.
Disadvantages
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The main disadvantage of VoIP is sound quality. Since Internet networks carry a lot of data, the sound quality may drop sometimes. Also, VoIP doesn't work in the absence of electrical power, so in the event of a blackout, a VoIP phone will be inoperable.
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Considerations
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Most VoIP operators don't support 911 calls because the calls cannot be traced, so in case of an emergency, use a regular phone to dial 911.
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References
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