http://news.com.com/2100-1039_3-5305894.html?part=rss&tag=5305894&subj=news.1039.20
Published: August 11, 2004, 12:29 PM PDT
By Ben Charny
Staff Writer, CNET News.com
"Cellular carriers are creating "push to talk" services that travel over Wi-Fi networks, federal regulators say--a move that could expand the one-push cell phone calls to VoIP systems."
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