Qwest Communications Launches Next Generation Voice Over Ip Services

DENVER, March 13, 2001 ? Qwest Communications International, Inc., (NYSE:Q) the broadband Internet communications company, today announced the Qwest CyberVoice Interconnect(sm) offering, a wholesale Voice-over-Internet Protocol (VoIP) terminating service that enables carriers, Internet telephony service providers, Internet service providers and Web Portals to deliver clear, reliable voice calls over Qwest?s nationwide broadband Internet network. Qwest also announced its first customer for the service, ITXC Corp (NASDAQ:ITXC), the largest global voice over the Internet carrier.

Qwest CyberVoice Interconnect is one of the first applications available under the new Qwest CyberVoice initiative, a strategy that leverages Qwest?s nationwide OC-192c Internet Protocol (IP) backbone and CyberCenter(sm) hosting facilities to deliver voice services integrated with Internet-oriented applications. The Qwest CyberVoice initiative will deliver an entire suite of hybrid voice and data services and applications that are built specifically to run on IP networks, such as speech recognition, voice portals, conference bridging and web messaging. These IP enabled voice applications provide flexibility and cost benefits not possible with today?s voice offerings.

Industry analysts anticipate that Internet-based technologies will become the primary method for delivering local and long-distance voice communication services. According to International Data Corp., the overall market for IP telephony is projected to exceed $59 billion by 2004.

?Internet Protocol technologies are clearly the foundation for all innovations in broadband voice and media services. The Qwest CyberVoice initiative leverages our unique expertise in voice and data to design services and applications in this space,? said Rick Weston, Qwest?s senior vice president of Internet solutions. ?CyberVoice Interconnect addresses the demand for IP-based voice termination to the traditional telephone network, while maintaining the reliability, quality and scalability of traditional voice networks.?

ITXC, the operator of the largest global Internet telephony network, is already exchanging traditional traffic with Qwest. The companies will expand upon this relationship and ITXC will begin to use the Qwest CyberVoice Interconnect network and termination capabilities for completing calls that need a very high quality termination network, originated by carriers around the world destined for the US.

"Qwest is one of the first carriers to sell direct IP voice termination services, " said ITXC Chairman and CEO, Tom Evslin. "All of our Internet voice traffic is IP traffic and it will be a huge advantage to be able to route it to Qwest in this form. As ITXC and Qwest join their networks at the IP layer, we are helping to accelerate the inevitable migration of all voice traffic to IP networks from the legacy phone network. This is a big step towards the future."

About Qwest

Qwest Communications International Inc. (NYSE: Q) is a leader in reliable, scalable and secure broadband Internet-based data, voice and image communications for businesses and consumers. The Qwest Macro Capacity Fiber Network, designed with the newest optical networking equipment for speed and efficiency, spans more than 104,000 miles globally. For more information, please visit the Qwest web site at www.qwest.com.

This release may contain projections and other forward-looking statements that involve risks and uncertainties. These statements may differ materially from actual future events or results. Readers are referred to the documents filed by Qwest with the Securities and Exchange Commission, specifically the most recent reports which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements, including potential fluctuations in quarterly results, volatility of Qwest's stock price, intense competition in the communications services market, changes in demand for Qwest's products and services, dependence on new product development and acceleration of the deployment of advanced new services, such as broadband data, wireless and video services, which could require substantial expenditure of financial and other resources in excess of contemplated levels, higher than anticipated employee levels, capital expenditures and operating expenses, rapid and significant changes in technology and markets, adverse changes in the regulatory or legislative environment affecting Qwest's business and delays in Qwest's ability to provide interLATA services within its 14-state local service territory, failure to maintain rights of way, and failure to achieve the projected synergies and financial results expected to result from the acquisition of U S WEST timely or at all and difficulties in combining the operations of Qwest and U S WEST. This release may include analysts' estimates and other information prepared by third parties for which Qwest assumes no responsibility. Qwest undertakes no obligation to review or confirm analysts' expectations or estimates or to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

The Qwest logo is a registered trademark of, and CyberCenter is a service mark of, Qwest Communications International Inc. in the U.S. and certain other countries.

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