What Is a Disadvantage of VoIP?


Quick Answer

One disadvantage of VoIP is that the quality of the call can be affected by a several external factors, including the quality of the Internet connection and computer hardware being used. Poor call quality can cause delays and distorted sound.

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Full Answer

There are a number of factors that can affect VoIP call quality. Aside from a slow Internet connection, distortion or delays can be caused by unreliable VoIP service providers and the connection distance of the call.

If a company’s Internet connection goes down completely, or if there is a power cut, then a VoIP system is unusable. In these situations, a regular phone line would often still be operational. VoIP can therefore be unreliable compared with standard telephone lines.

A major concern for businesses using VoIP is system security. If the security of a VoIP system is breached, it could potentially lead to viruses being installed on the system. A security issue could also result in identity theft.

VoIP relies on stable broadband connections, which can also lead to malicious attacks. Distributed denial of service attacks, which involve shutting down a broadband connection by sending large amounts of fake traffic to the users IP, could potentially prevent a company from using its VoIP system.

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