Siemens InterXpress offers a complete end-to-end network solution that allows service providers the capability to cost-effectively consolidate voice and data into a multi-service integrated IP network. The Siemens InterXpress platform is true carrier-grade, encompassing all messaging components for a complete service offering, including gateways, gatekeeper functionality, billing and value-added applications.

Net2Phone enables voice and data to be carried over the Internet's packet-switched network until it reaches traditional telephone infrastructure. There the signal is converted to the circuit-switched network used by telephones, enabling the signal to be received by any phone worldwide.

"The InterXpress system is a complete solution delivering a high level of speech quality and meeting the stringent, carrier-class requirements of telecom network providers for stability and expansion of IP-based communication services. That's crucial for companies such as Net2Phone, a leader in carrier-grade Internet telephony services," said Chuck Harris, vice president of Internet Solutions for Siemens.

"The Siemens InterXpress family offers a comprehensive suite of products available for large-scale IP telephony deployments, and that is an important positive factor," said David Greenblatt, chief operating officer of Net2Phone.

Since its formation in 1990, IDT has become a leading provider of international and domestic long-distance, Internet access, and global Internet telephony services. The InterXpress solution allows telephone calls to be conducted via the Internet to any telephone terminal in the world. This enables IDT to continue to offer a broad range of network services to its growing international base.

IDT is a leading emerging multinational carrier that combines its position as an international telecommunications operator, its experience as an Internet service provider and its leading position in Internet telephony to provide a broad range of telecommunications services to its wholesale and retail customers worldwide. The company provides its customers with integrated and competitively priced international and domestic long distance, pre-paid calling cards, Internet access and, through its Net2Phone product offerings, Internet telephony services including Net2Phone Direct, Net2Fax, Click2Talk, and easysurf.com. For more information about IDT's Internet telephony services, please visit www.net2phone.com.

The Internet Solutions unit of Siemens Information and Communication Networks is responsible for Internet products and applications for carriers providing public telecommunications services, bringing to bear the full strength of Siemens' innovation and market know-how and offering a complete Internet package enabling existing and potential network operators to offer a full range of Internet services. This includes Internet Service Provider (ISP) solutions, carrier-grade IP telephony solutions, integration services, applications development and customer support services.

Siemens Information and Communication Networks Inc., headquartered in Boca Raton, Fla., is a leading provider of information and telecommunications solutions to public network service providers and enterprise customers in North America. The company is a subsidiary of Siemens AG, a global business with $66 billion in sales in the fiscal year ended September 1998. Home page: www.icn.siemens.com.

Unisphere Solutions Inc., a Siemens company, addresses the need for converged global voice/data and high-powered IP-based networks. The company will provide innovative products and service solutions that leverage investments in existing wireline and wireless networks, while seamlessly transitioning to emerging technologies. Unisphere Solutions is based in Burlington, Mass. Home page: www.unispheresolutions.com.

Except for historical information, all of the expectations and assumptions contained in the foregoing are forward-looking statements involving risks and uncertainties. Important factors that could cause actual results to differ materially from such forward-looking statements, include, but are not limited to, the competitive environment for Internet telephony, changes of rates of all related telco rates and services, legislation that may affect the Internet telephony industry, IDT's ability to operate the services described on a large scale commercial level. For additional information regarding these and other risks associated with the company's business refer to the company's reports filed with the SEC.

Siemens is a registered trademark of Siemens AG.
InterXpress is a trademark of Siemens AG.

Sarah Hofstetter
Vice President, Corporate Communications
IDT Corporation
201-928-2882