London, 9th February 2005 – Convergent CRM and Event Based Billing specialist, Cerillion Technologies, has signed an agreement to provide a complete CRM and Billing solution for Gamtel, the primary fixed wire communications provider in Gambia, and Gamcell, a wholly owned subsidiary providing GSM services. As part of the project Cerillion will migrate more than 200,000 fixed and mobile subscribers from two separate legacy systems in to the new convergent solution.