AT&T recently stopped offering its CallVantage VoIP service to new subscribers. With no official announcement, online shoppers for the service were greeted with a message thanking would-be customers ...

CNET contributor Don Reisinger is a technology columnist who has covered everything from HDTVs to computers to Flowbee Haircut Systems. Besides his work with CNET, Don's work has been featured in a ...

Yesterday, we saw a Vonage app hit the App Store, which seemed to go against Apple and AT&T’s previous stance that VoIP apps that work over the 3G (and 2G) network would not be allowed in the App ...

AT&T has come in for no small amount of criticism for its network's ability to cope with avid iPhoners, both in dropped calls and tardy data, so we're not sure the carrier's latest news – that it has ...

iPhone users in the United States wanting to place calls via Voice-over-Internet-Protocol (VoIP) services like Skype have been forced to stick to the ghettos of Wi-Fi hotspots in order to place their ...

You will now be able to make Skype calls over 3G with AT&T, who have just approved VoIP to be used over their 3G network. Previously, VoIP applications on iPhone were ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More AT&T, the iPhone’s exclusive wireless carrier in the United States, said ...

AT&T, which informed Apple and the Federal Communications Commission (FCC) of its decision Tuesday, had in the past only allowed Internet phone services to run on iPhone over WiFi connections. AT&T ...

AT&T has launched its own "Voice over IP" app to enable its smartphone customers to place cheap international phone calls, two years after voicing support for Skype and others to similarly use its 3G ...

AT&T today announced it has taken the steps necessary so that Apple can enable VoIP applications on iPhone to run on AT&T’s wireless network. Previously, VoIP applications on iPhone were enabled for ...

Today we cover an announcement from AT&T: The company will offer its smartphone customers a free mobile VoIP app — providing international long distance calling at competitive rates with its latest AT ...

More than 40 years after the packet switching network was first invented, carriers are finally getting religion about the technology. By moving to an IP core for voice services, carriers expect to ...