As of today there are so many people using communicating gadgets such as cellular phones as well as computers.
Smartphone Apps (such as the Bria App for i - Phone and SIPDroid for the Android) that lets you do VOIP (no per minute charges).
A Background In Straightforward Systems In voip
Making sure that a Vo - IP provider for your business is willing to do training on the new phone system is important, as is making sure that there is some sort of technical support available any time, day or night, as well.