Net2Phone to Present at Upcoming Conferences

Newark, NJ - August 31, 2004 - Net2Phone, Inc. (Nasdaq: NTOP), a leading provider of retail Voice over IP (VoIP) services, announced today participation in the following upcoming events. Interested parties can view details of these events on Net2Phone's Web site at http://web.net2phone.com/about/investor/events.asp.

• September 8, 2004 - Kaufman Brothers 7th Annual Communications,
  Media & Technology Conference, New York, NY. Stephen Greenberg, Chief Executive Officer of Net2Phone, will discuss recent partnerships and product developments at Net2Phone as well as provide a market outlook on Voice over IP.
• September 22, 2004 - Jefferies 2nd Annual Communications and Media Conference, New York, NY. Stephen Greenberg will provide an overview of Net2Phone's mission, product offerings and strategy.
• October 4-7, 2004 - Internet Telephony Expo, Los Angeles, CA. Net2Phone management will address questions regarding residential VoIP services as well as Chair a session on "The Role of VoIP in Cable Telephony."
• October 18-21, 2004 - Fall VON, Boston, MA. Michael Pastor, President of Net2Phone Cable Telephony, will present on the "2004 Landline Replacement Summit." Sarah Hofstetter, Senior Vice President of Corporate Communications, will present at the "WiFi VoIP Summit."
• October 25-26, 2004 - JPMorgan Small Cap Conference, Boston, MA. Stephen Greenberg will provide an overview of Net2Phone's mission, product offerings and strategy.
• November 4-5, 2004 - New York Society of Securities Analysts' conference on "The Next Era of Telecom," New York, NY. Stephen Greenberg will provide an overview of Net2Phone's mission, product offerings and strategy.

About Net2Phone
Net2Phone provides VoIP PacketCable, SIP and wireless solutions around the world. As leaders in enabling telecom service providers and cable operators with turn-key hosted VoIP telephony services, Net2Phone has routed billions of retail VoIP minutes globally, servicing more than 100,000 users in the US as well as hundreds of thousands of more overseas. Net2Phone's hosted SIP platform provides partners with residential broadband telephony, calling cards, prefix dialing and enterprise services in over 100 countries. Net2Phone's PacketCable platform provides cable operators with the ability to deliver a primary line replacement service with guaranteed QoS and features such as E911. Traded on the NASDAQ under the symbol NTOP, Net2Phone's strategic partners and investors include Liberty Media Corporation (NYSE: L; LMC.B) and IDT Corporation (NYSE: IDT; IDT.C). 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, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward- looking statements involve risks and uncertainties and actual results could differ materially from those discussed in the forward-looking statements. For this purpose, any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements. Factors which may affect the Company's results include, but are not limited to, the Company's ability to expand its customer base, the Company's ability to develop additional and leverage its existing distribution channels for its products and solutions, dependence on strategic and channel partners including their ability to distribute the Company's products and meet or renew their financial commitments, the Company's ability to address international markets, the effectiveness of the Company's sales and marketing activities, the acceptance of the Company's products in the marketplace, the timing and scope of deployments of the Company's products by customers, fluctuations in customer sales cycles, customers' ability to obtain additional funding, technical difficulties with respect to the Company's products or products in development, the need for ongoing product development in an environment of rapid technological change, the emergence of new competitors in the marketplace, the Company's ability to compete successfully against established competitors with greater resources, the uncertainty of future governmental regulation, the Company's ability to manage growth, obtain patent protection, and obtain additional funds, general economic conditions and other risks discussed in this press release and in the Company's filings with the Securities and Exchange Commission. All forward-looking statements and risk factors included in this document are made as of the date hereof, based on information available to the Company as of the date thereof, and the Company assumes no obligation to update any forward-looking statement or risk factors.