Growth is expected in US VoIP market, as the broadband-based phone technology is forecast to make up 34% of all US residential landlines by 2010, or 25.5 mln subscribers, up from just 10% and 9.5 mln subscribers in 2006. A majority of cable telephone subscriptions use VoIP. Worldwide, Europe has the largest telecommunications market, measuring at $1 trillion, with the US second at $923 bln and Asia/Pacific third at $715 bln. Overall, the international market grew 12.1% in 2006. Middle East/Africa was the fastest- growing region, expanding at 21.6%. By 2010, the global market is expected to reach $4.3 trillion in revenue, TIA reports.