Last March, Steve Jobs opened the door to iPhone VoIP applications. They had to run over WiFi and couldn't burden AT&T's cellular data network. Now just a few months after the App Store made its debut ...

Voice over Internet Protocol (VoIP) enables users to make calls over the internet. It is a cheaper alternative to telephone services from local carriers. When users access a stable internet, VoIP ...

DeFi's name is no accident: the firm aims to defy cellular carriers by allowing smartphone users to make calls over WiFi networks for a flat monthly rate—with no irritating connection software. For ...

From a carrier's perspective, the turn to packetized voice has been touted as providing voice calls “too cheap to meter,” irrespective of the distance between caller and call recipient. The advent of ...

At first glance, mobile Voice-over-IP (VoIP) doesn't look like something that's suited for many businesses. If you search online, then your search will reveal a lot of services from companies you ...