February 19th, 2010
Peter Sisson, the founder and chief executive officer of Toktumi , a San Francisco-based VoIP startup, is elated. He was jumping with joy when I spoke with him earlier today. Why? Because Apple just approved the latest version (2.0) of his company’s mobile VoIP app, Line2. The app, which costs 99 cents, allows you to call and receive phone calls over both 3G and Wi-Fi networks. What Toktumi has done is build a back end similar to that...










