A new report by TeleGeography indicates that Skype continues to slowly erode the market share of the world's largest phone companies. The firm, which tracks international calling traffic between 88 countries and over 1,500 routes, found that projected growth of all international voice traffic was cut in half in 2009. International telephone use has grown at 15 percent over the past 25 years, but that growth is slowing. Meanwhile, Skype, considered in the report as the "largest provider of cross-border communications in the world, by far," saw its share of international calling minutes jump to 12%, up 50% from last year. Skype-to-Skype users calling each other accounted for 54 billion minutes (out of a total of 406 billion) last year.