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  STC Associates
  Carolyn Robertson
  212-725-1900 ext. 204
  [email protected]


Arbinet-thexchange, Certified by Taylor McKenzie, Debuts the First Objective Quality of Service Ratings for Online Traded Communications Bandwidth

NEW YORK – August 3, 2000 – Arbinet-thexchange, the full-service trading solution for buyers and sellers of telephony bandwidth, today completed the design and implementation of a system that provides the communications industry with its first ever objective view of relative Quality of Service (QoS) ratings for telephony bandwidth traded online between multiple carriers’ networks. Taylor McKenzie, Inc. a leading network performance management consulting company, has provided independent validation of the methodology used to measure and calculate these ratings.

Arbinet-thexchange monitors and quantifies the actual technical performance of its members’ networks for every route served relative to a median performance baseline for each QoS parameter. When a member of thexchange places a buy order, it has the opportunity to choose not only the price it is willing to pay, but also the minimal quality parameters it is willing to accept. Each route on the exchange is measured and graded by Answer Seizure Ratio (ASR), voice quality of service (VQoS) and Post-Dial Delay (PDD).

“Quality measurement is a number one priority for us. The value of our solution rests on the ability of our members to select trades based on a price/performance analysis. Our retention of Taylor McKenzie underscores our commitment to independent validation of information about quality across carriers’ networks,” said Anthony L. Craig,
Arbinet-thexchange Chairman and CEO. “We sought out the help of the best in the industry to assure that these measurements are both accurate and relevant for our members’ businesses.”

“Arbinet-thexchange has carefully thought out the elements that are necessary to provide a valuable and full-service telephony bandwidth trading solution for the members, said Jim Patty, Talyor McKenzie Executive Vice President. “This QoS performance monitoring delivers a huge benefit to thexchange members as it is the first time in the 100-year history of the communications industry that carriers are able to compare both their relative pricing and the objective underlying network quality of their networks in near real time.”

About Taylor McKenzie (TMc)

Taylor McKenzie is an international management consulting firm, providing business strategy, business transformation and information technology solutions to industry and public sector clients around the globe. TMc offers a complement of services that will enable organizations to understand the technical end-to-end performance of their telecommunications networks. Understanding performance is particularly important during implementation of new network facilities and new technologies. Additionally, TMc supports clients in interpreting testing results, developing measurement criteria, quality management plans, service level agreements (SLAs) and other complimentary consulting services essential to achieving “operational excellence.” For additional information visit the company’s website at

About Arbinet-thexchange

Arbinet-thexchange is the full-service, online exchange for on-demand transactions, automated physical delivery and settlement of trades of telephony bandwidth. Thexchange is neutral, favoring neither buyers nor sellers, and allows participants to trade anonymously. Automated delivery is accomplished by employing advanced trading software and a set of patented processes to link the web-based trading platform with carrier-grade telecommunications switching equipment. Arbinet-thexchange handles all invoicing, collection and payment for trades effected on its exchange and provides continuous monitoring and online rating of the service quality of each seller’s network. For more information, visit Arbinet-thexchange at

120 Albany St. Tower II, Suite 450, New Brunswick, NJ 08901
phone: 732-509-9100, fax: 732-509-9101, website:

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