February 2007
Services in the IMS ecosystem (pdf)
Different services have different demands and require different approaches.

October 2006
SERVICE DELIVERY PLATFORM - EFFICIENT DEPLOYMENT OF SERVICES (pdf)
The Service Delivery Platform and associated business processes shall support efficient life-cycle management of services. This shortens time-to-market for services, boosts revenues and enables a smooth evolution to IMS.

April 2005
PREPAID POSTPAID CONVERGENT CHARGING (pdf)
The traditional segmentation of prepaid and post-paid is no longer relevant nor is it economically justifiable to have two completely separate systems for these categories of users. This white paper describes the evolution into one converged charging and revenue management environment for all segments of an operators business.