HOLMDEL, N.J. -- Vonage Holdings Corp., (NYSE:VG) , a leading provider of broadband telephone services, today announced the promotion of Timothy G. Smith to Interim President of Vonage Network Inc. Vonage CTO Louis Mamakos -- who previously served as President of Vonage Network -- will now serve solely as Vonage's CTO, freeing him to focus on more strategic initiatives.

As Interim President of Vonage Network, Tim will oversee all of Vonage's network and systems operations globally and manage Vonage Network's staff.

Before joining Vonage in July 2005 as SVP of Network and Systems Infrastructure, Tim worked in various management roles for leading technology companies and organizations including Sun Microsystems Inc., UUNET Technologies Inc. and Wayport, Inc.

"We are thrilled to be promoting from within as we continue to shape our organization and are excited about Tim's new critical role with Vonage," said Vonage CEO Mike Snyder. "Tim has 20 years of experience designing, deploying, operating and maintaining Internet service delivery systems. Vonage will continue to benefit from his demonstrated record of leadership of technical teams and commitment to customer service."

Vonage Holdings Corp.