Having halted development of its proprietary packet data network, UK mobile data provider, Cognito has instead chosen to concentrate on delivering integrated voice and data services for business applications using GPRS and GSM. Adam Hamilton reports.

Operators can add between 10% and 15% to the bottom line figures associated with pre-pay customers, simply by deploying a system that allows customers to top-up their pre-pay accounts automatically using their credit cards or bank accounts, according to Upaid's ceo, Ashley Ward.