Sema Priority Call, a member of Sema Telecoms, is a global provider of open distributed solutions for next generation public networks. Our ORYX® solution gives service providers a flexible, scaleable platform to deploy a wide range of revenue-generating enhanced services including prepaid wireless, unified communications and enhanced calling. Sema Telecoms provides market-leading products, consulting, system integration, and outsourcing for global communications service providers, supporting over 120 million subscribers at 350 customer sites worldwide and meeting the needs of wireline, wireless and convergent networks. Sema plc is a global IT and business service leader with over 22,000 employees in 160 locations worldwide.