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2010 ©
124 million*
113 billion#
23 million&Concurrent users at any given time
Skype to Skype Calling minutes in 2009
Connected Users
Source: * Skype| From the three months ended June 30, 2009 to the three months ended June 30, 2010, average
monthly connected users grew from 91 million to 124 million. # Skype | For the year ended December 31, 2009,
Skype-to-Skype voice and video minutes totaled 113.0 billion minutes. & Skype | March 2010
2010 ©
3
4
G.729 SILK NB SILK MB SILK W8 SILK
SWB
Higher Call Quality = Higher Satisfaction
Call Quality
Mean
Opinion
Score
Source: Skype | Dec 2009 | from a sample of 2,747,346 calls
2010 ©
0
50
G.729 SILK NB SILK MB SILK W8 SILK
SWB
Higher Call Quality = Longer Calls
Source: Skype | Dec 2009 | from a sample of 2,747,346 calls
Call Quality
Average
call minutes
2010 ©
Interoperability
Multiple
device platforms Different
A/V standards
Different
operating systems
Challenges