...of substitutes for standard telephone calls. Gobbling up the lion's share of this growth is Skype. Skype s cross-bordertraffic grew approximately 41% in 2008, to 33 billion minutes -- equivalent to 8% of combined international telephone...
http://www.dslreports.com/shownews/Skype-Sees-Huge-International-Growth-101516
...knowing how the increased take-up is split. Previous research from TeleGeography showed that Skype's cross-bordertraffic grew approximately 41 per cent in 2008 to 33 billion minutes. The study revealed that this is the equivalent...
http://www.bcs.org/server.php?show=conWebDoc.27345