228246 ⎘
Metering arrangements; Time controlling arrangements; Time indicating arrangements; Details of billing arrangements; Provision for limiting expenditure, e.g. limit on call expenses or account Release upon reaching limit
Real time correlation of parallel charging events
#2Methods, devices and computer program products for tracking usage of a network by a plurality of users of a mobile phone
#3System and method for implementing prepaid data services
#4Prepay accounts for applications, services and content for communication devices
#5Prepaid wireless system and method