Both VoIP and mobile wireless broadband are relatively new technologies. With the invention of 3G wireless data network – an opportunity to make free or near free calls from your VoIP phone had become more of a reality than a concept. The war between operators of cellular networks and VoIP providers has ended in an amicable truce with the carriers finally realizing that the bulk of their revenues will be coming from data usage and shifting to the usage-based billing model for their data plans. VoIP Hosted PBX users have been jumping on the bandwagon by making calls over Wi-Fi or the carrier’s wireless data connections on all kinds of smart phone platforms.
VoIP service providers, while reluctant to even mention 3G mobile data network as a somewhat reliable means of enterprise VoIP communications, nevertheless are coming to accept the fact that businesses begin to realize the advantages of readily available mobile networks in order to benefit from truly geo independent voice service. There is even a new term for it: Vo3G which stands for Voice over 3G.