Deltathree Picks XO Communications for VoIP Services

XO Communications, Inc. (www.xo.com), the nation's largest facilities-based provider of national local telecommunications services focused exclusively on businesses, today announced that it has been selected by deltathree, Inc. to provide wholesale voice services that will enable deltathree to enhance its Voice over Internet Protocol (VoIP) solutions to businesses and consumers in twenty U.S. metropolitan markets.

Utilizing the XO IP network and wholesale voice services, deltathree will expand its core VoIP network and service capabilities to better serve residential consumers and business customers with advanced VoIP-based telecommunication solutions.

XO will provide deltathree wholesale voice services to expand existing coverage in key U.S. markets such as Denver, Orlando, Salt Lake City, San Antonio, San Diego, Spokane and Tampa, with additional markets to be named in the future.

"We're very pleased to be selected by deltathree to support the latest U.S. enhancement of deltathree's worldwide VoIP network," said Ernie Ortega, president of Carrier Sales at XO Communications.

"As deltathree expands the market for VoIP solutions across the service provider, reseller and consumer markets it is crucial that deltathree's VoIP network continues to add diversity and scale in order to accommodate new customers, advanced applications, and higher call volume.

XO Communications is a leading provider of national and local telecommunications services to businesses, large enterprises and telecommunications companies.

XO offers a complete portfolio of services, including local and long distance voice, dedicated Internet access, private networking, data transport, and Web hosting services as well as bundled voice and Internet solutions.