Sigma Systems is the global leader in developing and deploying service management solutions for cable system operators. Sigma's OSS (Operations Support System) products enable service providers to automate service management, deliver service with reliability and scalability, improve operating margins, increase customer retention, and enable subscriber growth. The Sigma Service Management Portfolio, the company's flagship product, is a rapidly-deployed solution suite for service provisioning and diagnostics of cable broadband services, including high-speed cable Internet, digital cable video, interactive TV and cable telephony. Sigma's products have been deployed at the largest cable operators and ISPs in the US including AT&T Broadband, Comcast, Cox and Excite@Home. Internationally, Sigma's software serves such major MSOs and ISPs as @Home Benelux (Belgium and the Netherlands), @NetHome (Japan), Cogeco (Canada), Essent Kabelcom (the Netherlands), Rogers (Canada) and Shaw (Canada). Sigma's clients serve a combined total of over 35 million subscribers world-wide. The company is an active participant in CableLabs, the technology consortium for cable system operators in North and South America. Established in 1990, Sigma is headquartered in Toronto, with sales offices in Atlanta, Boston and Denver, and European offices in Amsterdam, Frankfurt, Lisbon, London, Madrid, Paris and Rome. Strategic investors in Sigma include: Cisco Systems, Kleiner Perkins Caufield and Byers, Morgan Stanley Dean Witter, and Redwood Ventures.
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