VoIP has been heralded as the next great invention for your personal or business computer. The technology allows you to connect and place phone calls to anyone in the world for free -- or at least for the price of an Internet connection. But just as every cloud has a silver lining, you also need to realize that even if something shows a bright side, it often has a dark side to match. VoIP is no exception.

There are four main disadvantages of VoIP to consider:

1. Slow connection – One of the key disadvantages of VoIP is you can’t just pick up the phone and make a phone call. You need to start your computer, make sure your modem is connected, and only then can you initiate a call. In an emergency situation, you might not have time to boot up in order to call 911. What's worse, for some VoIP services, numbers like 911 and 411 (information directory) aren’t even available.
2. Stability – When it comes to disadvantages, this one tops the list. Since a strong Internet connection is a prerequisite, if you don’t have the proper connection speed, you’ll experience a lower quality of service. Also be mindful that the connection while using the VoIP "line" must be well maintained throughout each call. If your ISP has a habit of dropping out unexpectedly, then so will your calls.
3. Service compatibility – Unlike phones and cell phones, VoIP programs have to be compatible (or, in many cases, the same) in order for you to communicate with someone else. For example, a Verizon Wireless cell phone user can call anyone, however in the case of VoIP service, you must use the same service provider (AKA program) or communication won’t occur. Service incompatibility is one of the disadvantages of VoIP that many providers are working to fix, but at present it remains an issue.
4. Security – As with any new technology, you have individuals who are trying to "crack the code." VoIP users are at a disadvantage when it comes to experiencing computer worms, viruses, toll fraud (for pay services), or port scanning. Firewalls and other security systems might help bolster security, but VoIP services could put your computer and the information it holds at risk.

Potential VoIP users need to look at both sides of the coin and make an informed decision as to whether the current set of disadvantages outweighs all the potential benefits of adopting VoIP.

See also:

• VoIP Adoption
• Advantages of VoIP
• Regulation & Policy
• Standards

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