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 ...

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 ...

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 ...

Continuing our discussion on how voice over IP has come of age, today we’d like to highlight the announcement AT&T made last month as it unveiled a “major voice over Internet initiative.” While AT&T ...

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 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 ...

In a letter to the FCC, AT&T acknowledged that Apple and AT&T have an agreement to block VoIP apps from using AT&T's cellular networks, but that VoIP apps that use Wi-Fi are OK. Here's a selection ...

The Basking Ridge, N.J.-based carrier vowed to include business and enterprise offerings in its new approach, but executives declined to reveal exactly how much these services will cost or how it ...

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 ...

All engines, full reverse! That’s the order AT&T seemed to be giving on Tuesday when it announced that it would be altering its existing policy to allow Internet phone applications such as Skype to ...

David Dorman, AT&T's chief executive, is determined not to let history repeat itself. Ma Bell--under prior management in the 1990s--let the Internet revolution slip from its grasp, as companies like ...