TATA COMMUNICATIONS LIMITED

Tata Communications Completes Successful 'Real World' Technical and Commercial GSMA IP eXchange Trial

Mumbai, India (ots/PRNewswire) - - TELUS and Telekom Austria Participate to Set Standards for Telecommunications Industry Tata Communications, a leading provider of a new world of communications, announced today that it has successfully completed trials of its wireless IP interconnection technology, part of the international GSM Association's program to develop the next generation of wireless services. The Tata Communications trial verified its IP eXchange framework can interconnect wireless networks over IP, which is more efficient and flexible than the traditional Time-Division Multiplexing technology. Tata Communications' trials were part of the GSMA's IP eXchange (IPX) Pre-Commercial Implementation Project, which is verifying the design and operation of IPX networks through a series of trials designed to validate technical and commercial specifications. Once adopted, IPX will act as a private global IP backbone, open to any telecommunications company adhering to the required standards. IPX will provide fixed and mobile service providers with a technical and commercial platform for the performance-based exchange of IP-based services. "Tata Communications' participation and completion of the GSMA's IPX trial is key to our strategy of delivering innovative voice solutions to our customers worldwide," said Michel Guyot, President, Global Voice Solutions for Tata Communications. "Our company is committed to working with the IPIA (IP Internetworking Alliance) to promote and support the launch of IPX services and is planning to launch its own IPX rich, integrated offering to service providers - like TELUS and Telekom Austria - delivered over next-generation network architecture. We truly believe the IPX model will have a very significant impact on the industry." In the trial, Tata Communications partnered with Canadian telecommunications company, TELUS and Telekom Austria to successfully interconnect voice services using different signaling and transmission standards. The trial demonstrated the flexibility of Tata Communications' newly-deployed NGN network by bridging voice over IP services using several very different standards. The trial demonstrates that Tata Communications, with its unique global footprint and service capabilities, can commercialize IPX Voice Services. "TELUS is committed to delivering the best possible service experience for our clients," said Brent Allison, vice-president of TELUS Partner Solutions. "These IPX standards give us a new technical and commercial model for the migration of voice traffic to converged IP networks. We were pleased to play a key role with a valued partner like Tata Communications in this industry-leading IP initiative." The IPX trial is a key component of a series of strategic activities that Tata Communications are engaged in to enable the company to deliver benefits to it customers ranging from its far-reaching signaling network to managing the growing volume of fixed and mobile VoIP traffic. With the growth of IP communications, the IPX model is crucial for service providers such as Tata Communications to offer effective connectivity and significant expertise in handling and servicing service providers. For more information on Tata Communications, visit http://www.tatacommunications.com. About Tata Communications Tata Communications, a member of the $62.5 billion Tata Group, is a leading global provider of a new world of communications. The emerging markets communications leader leverages its advanced solutions capabilities and domain expertise across its global and pan-India network to deliver managed solutions to multi-national and Indian enterprises, service providers and Indian consumers. Tata Communications' range of services include transmission, IP, converged voice, mobility, managed network connectivity, hosting and storage, managed security, managed collaboration and business transformation for global enterprises and service providers, as well as Internet, retail broadband and content services for Indian consumers. The Tata Global Network encompasses one of the most advanced and largest submarine cable networks, a Tier-1 IP network, with connectivity to more than 200 countries across 300 Pops, and more than 1 million square feet of data center and co-location facilities. Tata Communications' unique emerging market depth and breadth of reach includes a national fiber backbone network and access to network in over 60 cities and 125 Pops in India, strategic investments in South African converged services operator, Neotel, Sri Lanka and Nepal and, subject to fulfillment of conditions precedent, a 50% ownership in China Enterprise Communications (CEC) providing full country VPN coverage in China. Servicing customers from its offices in over 80 cities in 40 countries, Tata Communications is the number one global international wholesale voice operator and number one provider of international long distance, enterprise data and Internet services in India, the Company was named "Best Wholesale Carrier" at the World Communications Awards in 2006, "Best Pan-Asian Wholesale Provider" at the 2006 and 2007 Capacity Magazine Global Wholesale Telecommunications Awards and was awarded "Best Progress in Emerging Markets" at the 2008 Mobile Communication Awards. Tata Communications Limited along with its global subsidiaries, (Tata Communications), is listed on the Bombay Stock Exchange and the National Stock Exchange of India and its ADRs are listed on the New York Stock Exchange. (NYSE: TCL) About Telekom Austria Telekom Austria Wholesale is a partner who facilitates access to markets of the future through quality and competency. Telekom Austria Wholesale has established itself as an international player, through top performance and specific know-how, thereby securing a leading role for itself in the CEE region. With distinctive intercultural understanding, Telekom Austria Wholesale supports national and international companies with their expansion in the new growth markets. The broad spectrum of services and solutions covers all of the customers' communication requirements. They range from voice telephony, to scalable data networking, to customer-specific corporate networks and global satellite communication. Telekom Austria's own JetStream backbone and established partnerships form the basis for linking international customer locations. About TELUS TELUS (TSX: T, T.A; NYSE: TU) is a leading national telecommunications company in Canada, with $9.5 billion of annual revenue and 11.5 million customer connections including 6 million wireless subscribers, 4.3 million wireline network access lines and 1.2 million Internet subscribers. TELUS provides a wide range of communications products and services including data, Internet protocol (IP), voice, entertainment and video. Committed to being Canada's premier corporate citizen, we give where we live. Since 2000, TELUS and our team members have contributed $113 million to charitable and not-for-profit organizations and volunteered more than 2.1 million hours of service to local communities. Nine TELUS Community Boards across Canada lead our local philanthropic initiatives. For more information about TELUS, please visit telus.com. Forward-looking and cautionary statements Certain words and statements in this release concerning Tata Communications and its prospects, and other statements including those relating to Tata Communications' expected financial position, business strategy, the future development of Tata Communications' operations and the general economy in India, are forward-looking statements. Such statements involve known and unknown risks, uncertainties and other factors, including financial, regulatory and environmental, as well as those relating to industry growth and trend projections, which may cause actual results, performance or achievements of Tata Communications, or industry results, to differ materially from those expressed or implied by such forward-looking statements. The important factors that could cause actual results, performance or achievements to differ materially from such forward-looking statements include, among others, failure to increase the volume of traffic on Tata Communications' network, failure to develop new products and services that meet customer demands and generate acceptable margins, failure to successfully complete commercial testing of new technology and information systems to support new products and services, including voice transmission services, failure to stabilize or reduce the rate of price compression on certain of the company's communications services, failure to integrate strategic acquisitions and changes in government policies or regulations of India and, in particular, changes relating to the administration of Tata Communications' industry, and, in general, the economic, business and credit conditions in India. Additional factors that could cause actual results, performance or achievements to differ materially from such forward-looking statements, many of which are not in Tata Communications' control, include, but are not limited to, those risk factors discussed in Tata Communications' various filings with the United States Securities and Exchange Commission. These filings are available at www.sec.gov. Tata Communications is under no obligation to, and expressly disclaims any obligation to, update or alter its forward-looking statements. Media Contacts: Isabelle Thellen Tata Communications +1-514-868-7565 isabelle.thellen@tatacommunications.com Kristen Massaro STC Associates +1-646-214-6545 kristen@stcassociates.com Janice Goveas Tata Communications +91-9223394575 janice.goveas@tatacommunications.com ots Originaltext: TATA COMMUNICATIONS LIMITED Im Internet recherchierbar: http://www.presseportal.ch Contact: Media Contacts: Isabelle Thellen, Tata Communications, +1-514-868-7565, isabelle.thellen@tatacommunications.com; Kristen Massaro, STC Associates, +1-646-214-6545, kristen@stcassociates.com; Janice Goveas, Tata Communications, +91-9223394575, janice.goveas@tatacommunications.com

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