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VoIP Service Revenue Doubles; Will Hit $120 Billion in 2009: Page 2 of 2

* The number of worldwide VoIP subscribers will almost double from 2005 to 2006, when it will top 47 million.

Cable companies are increasing their VoIP subscriber share. Cablevision and Time Warner Cable each have double-digit share and have a combined 39% of all North American residential VoIP subscribers.