Voice over Internet Protocol (VoIP) telephone service has taken the communication world by storm. In fact, when using a VoIP system, you are using the Internet for making telephone calls instead of the conventional phone lines. The advantages of VoIP service are manifold, and it is for this reason that many business houses are opting for VOIP over the traditional telephone access.

Visit http://EzineArticles.com/5182616 for more...