San Jose, CA and Hackensack, NJ - March 2, 2000 --- WebEx, the company that powers meetings on the Web, and Net2Phone Inc. (NASDAQ: NTOP), a leading provider of voice-enhanced Internet services, today announced that they have formed a strategic alliance to integrate the two Web-based communications services into each other's offerings. The integrated services will set a new standard for Web-based conferencing and communications by allowing users to instantly share applications, presentations, documents and browsers in real-time with integrated voice technology from a PC or Phone. As part of the arrangement, Net2Phone has also made a strategic equity investment in WebEx, following on the heels of Oracle's (NASDAQ: ORCL) recent strategic investment in WebEx.

Under the agreement, Net2Phone will be a key strategic partner for Voice over IP (VoIP) telephony, allowing multiple users to hold conference calls using Net2Phone's high-quality VoIP technology. Net2Phone's unified messaging application will be integrated into WebEx's Web-meeting environment, allowing WebEx users to have one universal "Inbox" both on the web and telephone to access voice mail, e-mail, and faxes.

Additionally, Net2Phone will add a button to its software enabling users to utilize WebEx's real-time data collaboration services. By clicking on the button, Net2Phones users will be able instantly start a WebEx meeting where they can review, create, and share documents, presentations, and applications with integrated IP video over the Web.

"With this strategic alliance, Net2Phone and WebEx customers will have access to the most advanced Web-based communications services on the market," said Howie Balter, CEO of Net2Phone. "WebEx will make it possible for our users to integrate data and video collaboration with Net2Phone's Internet telephony service offerings."

"By integrating Net2Phone's service into our real-time meeting platform, WebEx will be able to continue to offer its customers and partners the most advanced Web-based communications services," said Subrah Iyar, CEO of WebEx.

"We are excited to have Net2Phone as a strategic partner and investor. Their industry-leading voice communication solutions help WebEx achieve its mission of moving the Web from a static to a dynamic communications environment."

WebEx provides its meeting services to portals and corporate customers that want to leverage the Web for real-time communications. WebEx's unique ability to deliver real-time data collaboration, audio and video conferencing through a standard browser makes it the only service able to provide advanced collaboration functionality without requiring pre-installed software or firewall configuration. For more information about leveraging the WebEx communications network visit, http://webex.com.

About WebEx Inc. Founded in 1996, WebEx Inc. is the leading provider of Internet infrastructure for interactive meetings. WebEx develops and markets WebEx.com and WebEx Meeting Center. WebEx.com, the world's most popular Web-based meeting service, requires no pre-installed software or network configuration, just a browser and a telephone. WebEx Meeting Center is a customizable full-service version of WebEx.com available to businesses on a subscription basis. WebEx is leading the drive to seamlessly deliver data, voice and video communications over the Web. Please call (408) 435-7000 or visit http://webex.com for more information.

Net2Phone is a leading provider of voice-enhanced Internet communications services to individuals and businesses worldwide. Net2Phone enables people to place low-cost high quality calls from their computer, telephone, or fax machine to any telephone or fax machine in the world. Net2Phone develops and markets technology and services for IP voice and e-commerce solutions for the web and other IP networks. For more information about Net2Phone's products and services, please visit www.net2phone.com.

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements include, among other things, Net2Phone's expected operating performance for the three months ending April 30, 2000 and thereafter. Actual results could differ from those projected in any forward-looking statements due to numerous factors. Such factors include, among others, the inherent uncertainty of financial estimates and projections, the competitive environment for Internet telephony, changes of rates of all related telco rates and services, legislation that may affect the Internet telephony industry, and Net2Phone's ability to operate the services described on a large scale commercial level.The forward-looking statements are made as of the date of this press release, and Net2Phone assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those projected in the forward-looking statements. Investors should consult all of the information set forth herein and the other information set forth from time to time in Net2Phone's reports filed with the Securities and Exchange Commission pursuant to the Securities Act of 1933 and the Securities Exchange Act of 1934.