RSL COM PrimeCall Introduces Prepaid Cellular.

NEW YORK--(BUSINESS WIRE)--Nov. 10, 1999--

RSL Communications, Ltd. (NASDAQ: RSLC) today announced that it's RSL COM U.S.A., Inc. prepaid card division, RSL COM PrimeCall, Inc., is now providing a cellular phone service and prepaid cellular calling cards. The new service is available through RSL COM PrimeCall's major distributors of prepaid calling cards following the company's recent agreement with TeleData World Service, Inc., a national reseller of prepaid cellular service.

Through the TeleData agreement, RSL COM will be the primary distributor of prepaid cellular for "retail" customers. Customers have a choice of cellular telephones ranging in price from $99 to $149, which includes 10 minutes of local airtime. Additional prepaid cellular airtime cards may be purchased in $30, $50 and $100 units. The program offers airtime as low as 29 cents per minute, with no contract, monthly fee or activation fee, and bilingual (Spanish and English) customer service.

"Prepaid cellular is a perfect service for customers who do not want surprises," said Arnold Goodstein, president of RSL COM PrimeCall. "With RSL COM prepaid cellular you pay as you go and only for what you use. This is cash and carry cellular. You buy the phone, you buy the prepaid cellular cards and you pay for the service as you use it."

Anthony W. Cullen, president and CEO of TeleData, said, "We are pleased that RSL COM has chosen to add TeleData's prepaid cellular offering to the company's existing product line. Through RSL COM's exceptional distribution network, our Buy the Minute 'phone in a box'--which provides a prepaid/debit handset, service activation and an initial amount of airtime--will become available to many more of the projected 18 million U.S. prepaid subscribers by year-end 2001.

TeleData World Services, Inc. (NASDAQ: TWOS) is a national reseller of prepaid cellular services. Reseller agreements enable TeleData to provide activation and service to approximately 90 percent of the U.S. population, or 230 million people. TeleData uses a state-of-the-art Internet-based management information system, that enables automated business operations including over-the-air airtime updates and handset programming, customer service, MIN management, and carrier information services. TeleData also supports customers and distributors alike with its bilingual customer service center.

RSL Communications, Ltd. Is a global, facilities-based telecommunications company that provides leading edge product and service solutions to key markets around the globe. With operations on four continents in 21 countries that accounts for over 75 percent of the world's telecommunications traffic.

This press release contains forward-looking statements within the meaning of the "Safe Harbor" provisions of the Private Securities Litigation Reform Act of 1995. These statements are based on management's current expectations or beliefs and are subject to a number of risks and uncertainties that could cause actual results to differ materially from those set forth in the forward looking statements. For a detailed discussion of these cautionary statements, risk factors and uncertainties please refer to the Company's filings with the Securities and Exchange Commission.