sunrise Uses Nortel Solution for Anywhere, Anytime Internet Access Services


ZURICH, September 25// --

o First Commercial SIP-Based Multimedia Services in Switzerland

TDC Switzerland AG, operating under the brand name sunrise, is supplying anytime, anywhere Internet access using a Nortel(x) (NYSE: NT, TSX: NT) carrier IP solution for network enhancement. New services, aimed at sunrise's residential and business customers, include the web-based sunrise webphone and multimedia services with wireless and wireline Internet access. These services are believed to be Switzerland's first commercial SIP-based multimedia services.

"As Switzerland's leading independent telecommunications provider we keep our competitive edge by delivering innovative communication services that are understandable, easy to use, and help bring people together," said Thomas Stemmler, network director, TDC Switzerland AG. "As the wave of demand rolls for our services, our Nortel solution can also be used to deliver affordable mobile video."

"Nortel's solution gives sunrise the freedom to deliver affordable multimedia communications services now and the opportunity to evolve its network to deliver a true quad play of affordable services - such as voice, Internet/data, entertainment and video - as demand grows," said Thomas Marfurt, managing director, Nortel Switzerland.

The sunrise enhanced network infrastructure solution delivers Switzerland's first commercial SIP-based IP telephony service and is based on the Nortel Communication Server 2000 Compact (CS2K) and the Multimedia Communication Server 5200 (MCS5200). In addition, the Nortel Ethernet Routing Switch 8600 and the Nortel Switched Firewall provide carrier-class reliable, secure and intelligent network access and routing solution for the converged applications. As well as technology, the Nortel solution included planning, design and integration services from the Nortel Global Services portfolio.

Nortel ranked number one in the global markets for service provider softswitches and gateways for the first half of 2006, according to Synergy Research Group.

Nortel's Global Services portfolio offers a full range of integrated professional services to provide end-to-end, multi-vendor network solutions that deliver significant business value. Nortel provides the necessary services to design, deploy, manage and maintain today's multi-vendor networks and to facilitate transition to next generation technologies.

About sunrise

sunrise is the leading independent telecommunications provider in Switzerland. 2.15 million customers enjoy the benefits of sunrise mobile, fixed network, and Internet services. The hybrid network based on GPRS, EDGE and UMTS technology provides cutting-edge mobile services to over 99% of the population and permits transmission rates of up to 384 Kbps. A wide range of high-quality voice and data services are provided via a high-performance fiber optic network with a total length of more than 7,500 kilometres. As a founding member of the Starmap Mobile Alliance, an association of leading European mobile communications providers, sunrise offers its customers access to first-class services even while they are abroad. sunrise is a brand of TDC Switzerland AG, whose capital stock is owned 100% by the TDC Group. The yallo brand is also owned by TDC Switzerland AG.

About Nortel

Nortel is a recognised leader in delivering communications capabilities that enhance the human experience, ignite and power global commerce, and secure and protect the world's most critical information. Our next-generation technologies, for both service providers and enterprises, span access and core networks, support multimedia and business-critical applications, and help eliminate today's barriers to efficiency, speed and performance by simplifying networks and connecting people with information. Nortel does business in more than 150 countries. For more information, visit Nortel on the Web at www.nortel.com. For the latest Nortel news, visit nortel.com/news.

Source: Nortel

For further information:
Axel Menning-Pusta
+41-44-9437272
axel.menning@nortel.com;

Greta Brown
+44-1628-432968
gretab@nortel.com

Jamie Moody
+972-684-7167
moodyjam@nortel.com/

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