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Nokia Siemens Networks completes the fusion of Austria’s T-Mobile and tele.ring networks following the operators’ merger


Successful network migration at unprecedented scale and timing

Nokia Siemens Networks has successfully completed the unification and expansion of the T-Mobile Austria and tele.ring networks following the acquisition of the latter by T- Mobile Austria. The project, carried out smoothly and flawlessly on the live networks, proved Nokia Siemens Networks leadership in the management of technically advanced assignments.

The seamless network integration – of an unprecedented scale and complexity – took place within a very challenging timeframe of about four months, with the network operating commercially all the time and without any noticeable disturbances for the users of both brands. The network merging activities, capacity expansion and upgrading were all conducted at the same time.

The result is a fully upgraded single physical network serving now about 3 million users – 2 million of T-Mobile subscribers and 1 million of tele.ring customers. Now the empowered network also offers improved quality and coverage for all tele.ring users.

The project consisted in the replacement and upgrade of a total of 1,300 base stations of the 2G network, an upgrade of the existing T-Mobile Austria core network equipment to increase the network’s capacity as well as a migration of tele.ring’s prepaid customers to a charging platform at T-Mobile Austria, already installed by Nokia Siemens Networks.

“The close cooperation with Nokia Siemens Networks in Austria was one of the key success factors of the high quality of the network merger,“ says Christian Walzel, Vice President Technology/Head of Technical Merger at T-Mobile Austria. “I appreciate the proactive work of Nokia Siemens Networks during the whole project. Nokia Siemens Networks delivered high quality under extreme time pressure.”

"This is the first time all over the world that such an enormous and complex merging of networks is conducted. In only a couple of months the two networks have been merged into one,” states Manfred Kilga, Account Manager for T-Mobile Austria at Nokia Siemens Networks. “I am very proud that T-Mobile Austria – which has been our business partner (we being Siemens then) since they started operation in 1996 – has entrusted us with that challenging project. It clearly shows our partner’s satisfaction and trust in Nokia Siemens Networks qualities of accurate planning as well as in professional implementation.”

About T-Mobile Austria

T-Mobile Austria has established itself as a successful driving force on the Austrian mobile communications market. Customer service is at the heart of the company’s ethos. In developing its projects and solutions, T-Mobile Austria emphasises user-friendliness founded upon technological progress and development. The company’s international outlook allows T-Mobile customers to benefit from a wide range of products and services, both at home and abroad, which can be used internationally as well as on the domestic network. tele.ring is a wholly-owned subsidiary of T-Mobile Austria. tele.ring is the price leader on the Austrian mobile communications market. T-Mobile Austria is a subsidiary of T-Mobile International, the mobile communications arm of Deutsche Telekom AG and one of the world’s largest telecommunications companies.

About Nokia Siemens Networks

Nokia Siemens Networks is a leading global enabler of communications services. The company provides a complete, well-balanced product portfolio of mobile and fixed network infrastructure solutions and addresses the growing demand for services with 20,000 service professionals worldwide. Nokia Siemens Networks is one of the largest telecommunications infrastructure companies with operations in 150 countries. The company is headquartered in Espoo, Finland.

Media Enquiries

Nokia Siemens Networks
Karin Weinrother
Communications Subregion Central East Europe
Phone : +43 (0)57002 36337


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