VONAGE® ACTIVATES ONE MILLIONTH LINE

INDUSTRY PIONEER IS FIRST NORTH AMERICAN BROADBAND TELEPHONY PROVIDER TO CROSS THE MILLION-LINE MARK

Edison, NJ, September 6, 2005 - Vonage Holdings Corp., the leading broadband telephony provider, today announced it has exceeded one million lines in service on its network, a North America first.




"In a very short time, Vonage has woken up a dormant telecommunications industry and sparked a tidal wave of change; activating over one million lines is both a milestone for Vonage and the industry," said Jeffrey A. Citron, chairman and CEO of Vonage Holdings Corp.



About Vonage ®

Vonage has pioneered the broadband phone industry, setting the standard for pricing, features, call quality and reliability for the entire VoIP category. Vonage's award winning service is sold on the web and through national retailers like SAM's Club, RadioShack, Best Buy, Circuit City, Staples, Fry's Electronics, Office Depot and CompUSA. Vonage Holdings Corporation is headquartered in Edison, New Jersey. For more information about Vonage's products and services, please visit http://www.vonage.com or call 1 -VONAGE -HELP. Vonage(R) is a trademark of Vonage Marketing, a subsidiary of Vonage Holdings Corp.


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