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Press Release


  STC Associates
  Kristen Massaro
  212-725-1900 ext. 204
  [email protected]

Deutsche Telekom ICSS Joins Arbinet Global Peering Community

Provides Access to 81 Million Mobile Subscribers in 11 Countries

NEW BRUNSWICK, NJ, April 9, 2007 – Arbinet-thexchange, Inc. [Nasdaq: ARBX], a leading provider of solutions to simplify the exchange of digital communications, announced today that Deutsche Telekom International Carrier Sales & Solutions (ICSS) joined its global peering community which now totals 233 million telephone numbers from 74 service providers in 43 countries.

Through Arbinet’s PeeringSolutionsSM, Deutsche Telekom ICSS will be adding direct subscriber numbers across 11 countries into the neutral, industry managed SPIDER RegistrySM, enabling Deutsche Telekom to establish direct peering relationships and exchange traffic with a broad range of selected service providers, without the quality, complexity and security issues of establishing multiple direct relationships. Arbinet queries each inbound call attempt against a database supported by the SPIDER Registry and sends calls via its switches to the peering community Members based on instructions from this database.

Curt Hockemeier, President and CEO, Arbinet, commented, “Using PeeringSolutions, Deutsche Telekom ICSS will be able to route calls destined for their subscribers directly, significantly improving quality for their end users while increasing ACDs (Average Call Durations) and generating additional revenues on each inbound call attempt. Arbinet also provides Deutsche Telekom ICSS with secured settlement with 15 net 15 payment terms, enabling them to market access to their global networks from one central location, with no credit risk.”

As a result of this agreement, Arbinet’s 693 spot market Members will have access to Deutsche Telekom’s subsidiary and affiliate networks in Austria, Croatia, Czech Republic, Germany, Hungary, Macedonia, Netherlands, Poland, Slovak Republic, United Kingdom, and Republic of Serbia. Additionally, PeeringSolutions Members can immediately begin to establish direct peering relationships with Deutsche Telekom ICSS, gaining access to their global subscribers via their in-country networks.

Helmut Angst, Senior Executive Vice President, International Carrier Sales & Solutions Deutsche Telekom said, “As a result of joining Arbinet’s global peering community, we can ensure that calls are received at the highest levels of quality with reduced latency, improving our overall customer experience. Arbinet also guarantees transmission of CLI (Calling Line Identification) and roaming information, helping us to assure satisfaction for our customers. PeeringSolutions generates a new and immediate revenue stream for Deutsche Telekom ICSS that will continue to increase with the growth of the Arbinet global peering community.”

Arbinet’s global peering community now includes 74 service providers including Telecom Argentina, Telefonica Argentina, Columbus Communications Jamaica, Deutsche Telekom, Telefonica Chile, Telefonica Peru, Telmex Chile, and Verizon Dominicana. Providers can peer with one another without the complexities of signaling and protocol conversion and international settlement and can also obtain a full termination service enabling them to reach the world’s major mobile and fixed-line destinations through this same single interconnect.

About Arbinet

Arbinet solutions simplify the exchange of digital communications in a converging world. These include exchanges, a transaction management platform, and managed services which streamline performance and improve profitability for Members.

Arbinet’s 900 voice and data Members, including the world’s 10 largest international carriers, use Arbinet’s Internet based electronic platforms to buy, sell, deliver and settle transactions valued at about $500 million in 2006. These Members include fixed, mobile and VoIP carriers, ISPs and content providers from more than 60 countries who exchange voice, data, content and value added services.

For more information about Arbinet’s solutions visit

About Deutsche Telekom International Carrier Sales & Solutions (ICSS)

Deutsche Telekom’s International Carrier Sales & Solutions unit (ICSS) is a full service provider, offering a complete range of wholesale solutions and services for mobile and fixed operators, and Internet Service Providers, who are looked after locally via a global sales network. Deutsche Telekom is one of Europe’s largest telecommunications company and one of the leading carriers worldwide. The basis for ICSS’ comprehensive Service Offering Portfolio (Voice, IP, Mobile Solutions and Transport Solutions) is an expanding ultra-modern infrastructure – Deutsche Telekom’s international network.

For further information, see

Forward-Looking Statements

This press release contains forward-looking statements, including but not limited to statements about the Company’s strategic and business plans. Various important risks and uncertainties may cause the Company’s actual results to differ materially from the results indicated by these forward- looking statements, including, without limitation, members (in particular, significant trading members such as Deutsche Telekom ICSS) not trading on our exchange or utilizing PeeringSolutions(SM). For a further list and description of the risks and uncertainties the Company faces, please refer to the Company’s Annual Report on Form 10-K and other filings, which have been filed with the Securities and Exchange Commission. The Company assumes no obligation to update any forward-looking statements; whether as a result of new information, future events or otherwise and such statements are current only as of the date they are made.

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

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