The duration of IP calls in China was almost 110 bln minutes up to September 2006, an 11.8% increase YTY. IP calls accounted for 43% of long-distance call duration, ReportLinker says
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The duration of IP calls in China was almost 110 bln minutes up to September 2006, an 11.8% increase YTY. IP calls accounted for 43% of long-distance call duration, ReportLinker says