Definition: Vonage

An Internet phone service (VoIP) from Vonage Holdings Corporation, Holmdel, NJ. Vonage offers flat-fee calling plans within the U.S. and Canada and international calls based on a per-minute charge. Vonage customers use standard analog telephones plugged into an adapter that plugs into the broadband network. A softphone is also available for using the service on a laptop when traveling. Launched in 2001, one of the co-founders of Vonage is VoIP pioneer Jeff Pulver.