VOIP over Mobile - Cheap international call from Mobile using Mobile VOIP
http://techvision011.blogspot.com/2010/01/voip-over-mobile-cheap-internationa...
Mobile Voice over IP (Mobile VOIP) is catching up very fast and causing a stir for Mobile Operators.
Today, Mobile VOIP uses wi-fi, 2G/3G data channel but with 4G which is end to end IP, all that will soon change and mobile operators will see huge drop in their voice volume.
Gartner Research says "Mobile VOIP poses a huge and direct challenge to the $690+ billion global mobile voice market."
Making costly international call from your mobile will soon become thing of past.
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