According to Ericsson, mobile data traffic, globally, surpassed voice in December 2009. It says this finding "is based on Ericsson measurements from live networks covering all regions of the world."
on 03/24/2010 – Made popular on 03/24/2010
As wireless carriers have developed 4G LTE networks over the last few years, one of the doors that has been opened is the move to using data networks for voice traffic. Pushing voice traffic over data networks is nothing new, but traditionally the technology has been confined to Wi-Fi connected devices or those physically connected to a network, like a PC hooked up to a wired LAN.