London, 18th July 2007 – Convergent billing specialist, Cerillion Technologies, today announced the completed implementation of its CRM and Billing solution for MATTEL, a GSM network operator in Mauritania, West Africa. Based on the CRM Plus, Revenue Manager, Mediator, Output Streamer and Information Manager products in the Cerillion suite, the new system provides a complete end-to-end solution for MATTEL’s business support systems needs.