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 ...

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 ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Most users love their iPhones. Fewer love AT&T’s mobile service. So what ...

Global IP Solutions AB (GIPS), an IP multimedia processing solutions provider, this week unveiled VoiceEngine Mobile, an SDK to enable developers to create VoIP-based applications for the iPhone.

After using an oldtimer phone for too long, I feel liberated today due to my recent acquisition of the iPhone. Ok, I realize this might sound awkward, as the shiny object is one of the most lockedin ...

We've been beta testing a promising new Web-based app for the iPhone, dubbed RingFree (go to https://rf.com on your iPhone to try it) that offers the ability to make calls through a variety of VoIP ...

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 ...

So, the first VoIP client for the iPhone is out. A free VoIP client at that. What will Steve Jobs make of this? I'm going to guess that this is the kind of thing that carriers such as AT&T aren't ...

Staying connected — whether through a landline, email, or cell phone — is one of the best ways for seniors to continue living ...

Over 30% of U.S. companies use Voice over Internet Protocol (VoIP) phone systems. Many switch from conventional services to realize the benefits of VoIP, including lower costs, operational efficiency, ...