Avaya is the latest maker of Internet phone equipment that believes it can succeed where Yahoo and Microsoft have struggled: selling instant messaging that's good enough for the business world. The ...

We are becoming less and less dependent on mobile networks. You can get a data signal almost everywhere that you can get a mobile signal and most of us are around WiFi most of the time anyway.

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. SIPphone is ...