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SIGOS GmbH is a Germany-based telecommunications company that specializes in developing telecommunications testing solutions. The company was founded in 1989 under the name of SIGOS Systemintegration GmbH and is headquartered in Nuremberg, Germany. In 2006 the company was acquired by Keynote Systems and rebranded to SIGOS GmbH. Today SIGOS has regional offices in Singapore, Ghent, Belgium and Seattle, USA as well as several other representations around the world. The company claims over 410 corporate customers representing top Internet and mobile companies including Vodafone, T-Mobile, AT&T, Telefónica, Bharti Airtel, Facebook. ==Core business== SIGOS provides End-to-End solutions for testing and monitoring Quality of Service and Quality of Experience in communications networks (Radio networks, Fixed networks, IP networks, MVNOs). End-to-End Service quality testing is a common test approach in the telecommunications industry. Whereas monitoring solutions look at the actual traffic in a network, End-to-End solutions can initiated/simulate traffic in an automated way from one end to the other and measure precise traffic. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Keynote SIGOS」の詳細全文を読む スポンサード リンク
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