Have you been wondering what all the hoopla is about VoIP these days'  What does it mean, and why should I care'  Well, there are some advantages to converting from the PSTN (Public    Switched Telephone Network) to VoIP Service that you may not be aware of.  VoIP technology is evolving and changing every day.  Major corporations are transferring their business telecommunication needs to VoIP, and households worldwide are also making the conversion.