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 ...

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The Telcordia VoIP Routing Registry service, part of Telcordia's IMS portfolio, enables cross-carrier VoIP calling, driving the widespread consumer adoption of IP-based communication services.

We reported last week on internet voice service provider Truphone’s mobile app that enables Voice over IP phone calling over WiFi using Apple’s iPod Touch. Wednesday, the company announced ...

New voice over Internet Protocol service doesn't require a software client, which means that users can get started making calls with just a click of their mouse. Marguerite Reardon started as a CNET ...