European Competitive Telecommunications Association

Another European cable operator turns to Hammer XMS™ to oversee the network

Cologne, Germany & Bedford, Massachusetts, USA, April 22nd, 2009, One of Germany’s largest cable network operators, Unitymedia, has chosen Hammer XMS from Empirix to monitor its Voice-over-IP (VoIP) network. Unitymedia offers all-inclusive TV, Internet and telephone services to over 4.7 million business and residential customers in Germany’s regional states of North Rhine Westphalia and Hesse.

With Hammer XMS, Unitymedia can recognize and address any media or service quality problems at an early stage – before customers are affected. This not only boosts customer confidence but also improves the company’s performance. Hammer XMS provides granular voice quality reporting, analysis and diagnostics that are used by Unitymedia for monitoring network capacity, ensuring efficient network operation and network planning.

“Our number one priority is to offer our customers the best possible service quality and availability, and comprehensive monitoring is a key element in delivering this,” says Karl-Heinz Kohne, Manager OSS/network documentation at Unitymedia. “The Empirix solution offers ease of use, rapid analysis, comprehensive reporting functions and scalability, as well as reliable support. Hammer XMS puts us in a good position for managing the forthcoming expansion of our network.”

“Unitymedia’s decision to adopt Hammer XMS underscores the solution’s popularity among a growing list of European cable network operators,” comments Andy Belcher, Director Sales EMEA at Empirix. “Our solution offered the best match for the company’s rigorous performance requirements, and we are convinced it will provide exceptional value to Unitymedia over the long term.”

Hammer XMS automatically captures signaling and media quality metrics at Internet Protocol (IP) and Time Division Multiplexing (TDM) interfaces within Unitymedia’s network, and brings them together at Unitymedia’s Network Operations Center (NOC), from where the entire infrastructure is monitored.

The roll-out of Hammer XMS at Unitymedia was managed by Telenet GmbH Kommunikationssysteme, Empirix’s distribution and integration partner for Germany, Austria and Switzerland. Telenet’s experts also provide ongoing technical support for Hammer XMS.

Click here for a pdf copy of the press release

About Empirix
Empirix is the global market leader of service quality assurance solutions for new IP networks and applications that unify communications.  All of the world’s top ten Network Equipment Manufacturers, nine of the top ten Service Providers and most of the Fortune 100 companies depend on Empirix solutions to help them adopt new communications technologies with the quality their users require. Since 1992, Empirix’s Hammer-based service quality assurance solutions have helped Network Equipment Manufacturers, Network Service Providers and Enterprise Contact Centers successfully transition to new technologies including Unified Communications, IP Contact Centers, VoIP, NGN, and IMS-based networks. To learn more about the company, visit

About Unitymedia 
Unitymedia is Germany’s second largest cable-based media and communications services provider and the first truly integrated cable network in Germany. Headquartered in Cologne, it operates in Hesse and North Rhine-Westphalia, the most densely populated regions of Germany producing about one third of Germany’s GDP. In addition to analogue cable services, Unitymedia is a leading provider of integrated triple play services, driving subscriber growth across digital television, broadband Internet and telephony. As of 30 September 2008, Unitymedia had approximately 4.7 million basic cable subscribers, 531k Digital TV Pay revenue generating units (RGUs), 519k Internet RGUs, and 308k telephony RGUs. More information on Unitymedia can be found at

About Telenet GmbH Kommunikationssysteme
Telenet GmbH Kommunikationssysteme is one of the leading specialists in Germany, Austria and Switzerland in interactive voice dialogue and testing solutions for VoIP, voice, video, voice applications and contact centers. Voice applications from Telenet have been deployed by service providers in finance, telecommunications, transport, traffic and freight management, as well as other sectors where customer-friendly, automated telephone services are required. Voice applications are also popular for marketing initiatives such as promotional campaigns. Telenet’s testing and monitoring solutions guarantee reliable and smooth operation throughout the entire lifecycle of components, applications, services and functions – from the initial development stages to their integration and operation. With 26 years’ experience managing highly complex projects, the comprehensive expertise of Telenet’s team and its well-established partnerships with leading technology providers make Telenet the ideal partner for all voice application and testing projects.

Press Contact Empirix
Schwartz Public Relations
Mario Henneberger / Isabel Radwan
Sendlinger Straße 42A, 80331 München
Tel: +49 (0)89/211 871-32 / -39
Fax: +49 (0)89/211 871-50
Email: This email address is being protected from spambots. You need JavaScript enabled to view it. / This email address is being protected from spambots. You need JavaScript enabled to view it.  


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