[marcelo]

Edison, NJ, December 10, 2003- Vonage, the leading provider of broadband telephony, today announced the completion of more than 100 million calls over its Session Initiation Protocol (SIP) network. In less than four months, Vonage has doubled the amount of calls over its SIP-based network.

Vonage's total calls have escalated, as more residences and small businesses are selecting Vonage as their preferred method to communicate. In addition to increasing its call volume, Vonage continues to add more than 10,000 new lines to its network per month. Currently, it completes about 3 million calls per week, creating new call volume benchmarks every month and further establishing itself as the clear industry leader.

Consumers and businesses nationwide are rapidly migrating from traditional telephone service to a feature-rich broadband telephony service that offers flat-rate prices for unlimited calling throughout the entire U.S. and Canada.

"The explosive growth of our calling volume and of our customer base illustrates the reliability of the Vonage network and proves the value a service like ours brings to the marketplace in comparison to our competitors," said Jeffrey A. Citron, chairman & CEO of Vonage. "As consumers and businesses become more price and value sensitive, Vonage continues to gain a foothold in the telecommunications space with effective flat-rate pricing, enhanced features and great service, as well as our continual development new features, which is undoubtedly bringing telecommunications to a new forefront."

Using the latest technology, Vonage Digital VoiceSM sets the standard for the new generation of phone service with residential and business calling plans:

o Residential Premium Unlimited Plan - only $34.99/month. Customers can call anywhere in the United States, including Hawaii and
Alaska, for one low monthly charge.

o Residential Unlimited Local Plan - $24.99/month for unlimited local and regional calling plus 500 minutes of long distance calling.

o Residential Basic Plan - $14.99/month for 500 minutes of local,toll and long distance calling throughout the United States and Canada.

o Small Business Unlimited Plan - $49.99/month for unlimited business calling phone service, including free fax line.

o Small Business Basic Plan - $39.99/month for 1500 minutes of nationwide calling, $0.039 per minute overage, including free fax line.

o Services and hardware included in all Vonage Digital VoiceSM plans:

* Voicemail
* Caller ID
* Call waiting
* Call forwarding
* Call hunt
* Call transfer
* Call return (*69)
* Caller ID block (*67)
* Repeat dialing
* Area code selection
* International call block
* Bandwidth saver
* Web-based account management, voicemail
retrieval and real-time inbound/outbound calling activity
* International calling at significantly reduced
rates:
* London 5 cents a minute
* Tel Aviv 6 cents a minute
* Sydney 6 cents a minute

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 the US, Vonage's service area encompasses more than 1800 active rate centers in over 100 US markets.

Vonage is sold directly through http://www.vonage.com and retail partners such as Amazon.com. Wholesale partners such as EarthLink, ARMSTRONG(r), Advanced Cable Communications and the Coldwater Board of Public Utilities resell the Vonage broadband phone service under their own unique brands.

With more than 75,000 lines in service, Vonage continues to add more than 10,000 lines per month to its network. Over 3 million calls per week are made using Digital Voice, 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 http://www.vonage.com or call 1-VONAGE-HELP.