Vonage ( /ˈvɑːnɪdʒ/) is a publicly held commercial voice over IP (VoIP) network and SIP company that provides telephone service via a broadband connection. The company's name is a play on their motto "Voice-Over-Net-AGE". The company previously used the trademark "Vonage the Broadband Phone Company", and now uses the phrase "Vonage Sounds Good".
Founded in Edison, New Jersey, they are now located in Holmdel Township, New Jersey. The company first offered subscription service in the United States, then Canada in 2004 and the United Kingdom in 2005. As of July 2011, Vonage claims approximately 2.4 million subscriber lines, in conjunction with their services provided through mobile applications.