Portugal Telecom Leverages Telarix's Next Generation Billing Solution to Enhance Its Revenue Assurance Capabilities.

VIENNA, Va. -- Telarix, Inc., the leading provider of Interconnect Business Optimization (IBO) and settlement solutions for content providers, IP service providers and global fixed and mobile operators, today announced that Portugal Telecom (NYSE:PT) will use iXBill's pre-billing and accounting capabilities to eliminate potential revenue leakage and streamline its billing operations. By integrating iXBill with the carrier's existing main billing system, Portugal Telecom can efficiently complete payment processing and manage the accounting for any disputed amounts which might arise.

As part of Telarix's comprehensive portfolio of interconnect and settlement solutions, iXBill[TM] ensures the entire interconnect billing process is fully tracked and captured, providing service providers an unprecedented view of their revenue streams while identifying critical financial trends. Unlike many of the billing-only focused interconnect solutions available in the market today, iXBill provides embedded revenue assurance capabilities, leveraging its integration with other key carrier business functions including agreement management; route optimization; pricing; and audit and reconciliation. This level of sophistication ensures that all billable activities are accurately captured, rated and billed.

"To enhance our revenue assurance capabilities, Portugal Telecom was interested in a state-of-the-art solution that provided a holistic view of our business and could be integrated easily with our existing back-office billing and financial management systems," said Jose Morais de Oliveira, Director of International Wholesale at Portugal Telecom. "By leveraging iXBill, Portugal Telecom now has a comprehensive tool which will provide the critical data required to optimize our billing processes and ensure the accuracy of each interconnect statement."

"On average, revenue leakage is costing global service providers between two and seven percent of annual revenues," said Don Lynch. "iXBill's next generation billing capabilities provides business savvy carriers like Portugal Telecom with real-time access to the business-critical information required to accurately and effectively track settlement charges and enable partner invoice reconciliation."

iXBill is part of Telarix's iXTools[TM], a powerful suite of software modules that enables carriers to reduce costs and increase profitability across their interconnect networks. The Yankee Group named Telarix as one of the only interconnect solutions providers to address the four critical value areas for service providers: Route Optimization; Pricing and Margin Management; Billing; and Verification, Audit and Reconciliation.

About Portugal Telecom

The PT Group, an example of leadership and innovation, is today the company in Portugal with the largest national and international projection. This is a clear and sharp result of a commitment to quality and innovation which has been guided by the need to satisfy the specific needs of each of its clients in each business area. Quoted on the Lisbon and New York Stock Exchange, the PT Group has approximately 22,000 employees serving about 35 million domestic and international clients in its home base of operation, Portugal, as well as other territories including Brazil and various prominent countries in Africa and Asia. As a multinational telecommunications group, Portugal Telecom has a complete and vast portfolio of services that goes from fixed local, long distance, international telephone service and leased lines to mobile services, data and internet communications, high grade corporate solutions, specialized satellite services, information systems, cable television and in general media and entertainment. These are all areas in which PT has positioned itself as market leader. For more information about PT Group, please visit the website at www.telecom.pt.

About Telarix

Telarix, Inc. delivers the leading Interconnect Business Optimization (IBO) and settlement software solutions, providing telecommunications companies with the ability to easily manage costs and drive profitability on their interconnect networks. Telarix's innovative platform, iXTools, helps service providers leverage operational intelligence to enable real-time business decisions which improve interconnect operational efficiency and margins. The company's comprehensive IBO solution allows carriers to proactively manage voice and data traffic almost as quickly as it moves across their global networks. Telarix customers include global Tier-1 carriers such as BellSouth, Embratel, Global Crossing, Golden Telecom, GPTC, KDDI, Deutsche Telekom, Portugal Telecom, Sprint, Telecom Italia Sparkle, Telefonica, TELUS, Verizon and more. The company was founded in 1996 and is headquartered in Vienna, Va.

Please visit www.telarix.com for more information.