Sigma Systems is the leading global provider of advanced IP service fulfillment solutions. Sigma's solutions let communications service providers deliver more integrated service offerings faster and more efficiently. Sigma steamlines the delivery, ordering and activation of individual, bundled, and converged services through pre-built, carrier-grade service fulfillment solutions built on a standards-based platform that has been proven across more than 50 deployments worldwide. In the accelerating world of digital and IP-based services, Sigma delivers.