London, 2nd May 2012 – Cerillion Technologies, a leading provider of next generation customer management systems, today announced a major contract extension with Essar Telecom Kenya (yuMobile), a unit of Essar Group, to support yuMobile’s impressive growth and future business plans. This new agreement builds on more than three years of successful partnership following the express implementation of Cerillion’s CRM Plus, Service Manager and Interconnect Manager systems to support yuMobile’s launch in November 2008.