VOIP - Whats it all about ?

In 2004 when I heard about a free phone service in the USA. In March I purchased two Grandstream Budgetone 101 phones for $143.00 from Pulver Innovations.

The Grandstream IP Phone was described as "The next generation IP network telephone based on industry open standard SIP (Session Initiation Protocol) at an affordable price." It was a good start, Grandstream prospered and now produces a range of modern styled fully featured IP phones, and PABX's