Sigma Systems is the leading global provider of integrated Operational Support Systems (OSS) software products for the design, delivery, and management of advanced IP services. Sigma Systems’ award-winning products have helped service providers around the world transform into Next Generation Operators (NGOs) by enabling them to profitably deliver any service, over any access technology, to any device. Sigma Systems’ provides NGOs with the ability to quickly and efficiently introduce new services, fulfill any service bundle, and maximize their service profitability.