How Reliable Is VOIP Service?

VoIP service has become more reliable in the last two years. Technology is advancing, providing vendors with the ability to provide stable service.
A recent study done by Columbia University determined that net VoIP service availability is approximately 98%. That being said, there is still more chance of line interference and dropped calls than on standard POTS lines, however the gap is closing.

There are many factors that contribute to reliability and service quality. These are generally related directly to the reliability of your Internet connection. Choose a quality vendor and you should have no trouble. Internet providers maintain redundant infrastructure for reliability so widespread failures are uncommon. They also have elaborate backup systems in place, which are designed to immediately take over in the event of a failure.

You must maintain an Internet connection in order for your VoIP service to work. Local power failures are the most common cause of connection problems. In order to keep your connection up you can purchase a power backup system (UPS) to keep your modem, phone and computer connected. This will maintain your VoIP connectivity even in the event of a local power outage.

The speed of your Internet connection also contributes to the quality of your VoIP service. Generally speaking, the higher speed connection, the better the VoIP will be. However, consider the Quality Of Service (QOS) on your Internet connection as well. This is a calculation that measures the consistency of data flowing through your Internet connection and is independent of your line speed.


VoIP is an inherently reliable technology. All in all, VoIP communications are more reliable than cell phone calls. Take into account the considerable advantages and features of VoIP technology and you will see that it offers quite reliable service at a cost savings.

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