VONAGE® SPONSORS CES 2005 PRESS ROOM PHONES AND WILL DEMONSTRATE NEW BROADBAND TELEPHONY DEVICES

Jeffrey A. Citron, Chairman and CEO to Participate in the `Next Generation of Voice Communication` Panel Discussion

Edison, NJ, December 6, 2004 - Vonage Holdings Corp., North America's leading broadband telephony provider today announced it will be sponsoring the CES 2005 pressroom phone service with VTech and Linksys® devices. Vonage will be exhibiting its service in both its own booth - # 36163, South Hall, Las Vegas Convention Center (LVCC) - as well as the booths of some of its partners: VTech, Texas Instruments Incorporated (TI) and Linksys®. Vonage will also be demonstrating new devices configured with its service, offering consumers more choice and flexibility.


Jeffrey A. Citron, chairman and CEO will participate in the CES panel discussion, "The Next Generation of Voice Communication - Will Regulations Stifle the Advancement of VoIP Services?" In addition, Michael Tribolet, Vonage's executive vice president of Operations, will participate in the Consumer VoIP Summit at CES.

Who: Vonage Holdings Corp.

What: Vonage to exhibit its services and demonstrate new devices

Vonage Executive Management to participate in panel discussions

When: Press Room sponsorship, January 4, 2005 - January 9, 2005

Panel featuring Michael Tribolet, January 5, 2005, 10:45am -12:00pm PST

Panel featuring Jeffrey A. Citron, January 6, 2005, 1:30pm - 2:30pm PST

Booth Exhibits January 6, 2005 - January 9, 2005

Where: Panels are located in Room N253, North Hall, LVCC

Vonage Booth # 36163, South Hall, LVCC

Vonage to be displayed in the following booths:

- TI Booth # 8602, Central Hall, LVCC

- VTech Booth in the Florentine Ballroom, Caesar's Palace

- Linksys suite at the Bellagio Hotel

About Vonage®

Vonage is redefining communications by offering consumers and small businesses an affordable alternative to traditional telephone service. The fastest growing telephony company in North America, Vonage's service area encompasses more than 2000 active rate centers in over 130 global markets. Vonage is sold directly through www.vonage.com and retail partners such as Amazon.com, RadioShack, Best Buy, Circuit City, Staples, Fry's Electronics and Office Depot. Wholesale partners such as EarthLink, ARMSTRONG®, Advanced Cable Communications and the Coldwater Board of Public Utilities resell the Vonage broadband phone service under their own unique brands. With more than 300,000 lines in service, Vonage continues to add more than 30,000 lines per month to its network. Over 10 million calls per week are made using Vonage, the easy -to -use, feature -rich, flat rate phone service. Vonage is headquartered in Edison, New Jersey. For more information about Vonage's products and services, please visit www.vonage.com or call 1 -VONAGE -HELP. Vonage®, Vonage Digital VoiceTM, Toll Free PlusSM and Virtual Phone NumberSM are trademarks of Vonage Holdings Corp.

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