The number of US VOIP subscribers grew to 4.5 mln and industry revenue surpassed $1 bln in 2005. At the beginning of 2005, there were 1.3 mln subscribers of VOIP services, according to TeleGeography. In Q3 2005, 900,000 people signed up for VoIP services. Cable companies are now the largest providers of VoIP services, with 52% of the market compared to 45% a year ago. Vonage had 1.2 mln subscribers at the end of 2005, Time Warner had 1.1 mln. VoIP companies will continue to add about 3 mln subscribers a year for the next three or four years. There were 132 mln residential and small business phone lines in the United States in December 2004, according to US Telecom Association.