228271 ⎘
Metering arrangements; Time controlling arrangements; Time indicating arrangements; Technology dependant metering In based PPS
Method and system for providing roaming services to prepaid roamers of a home network
#2Method, apparatus or software for managing a call in a telecommunications network
#3Prepaid Telephony System and Method of Activating a Prepaid Telephony Account
#4Method and system for providing prepaid roaming support at a visited network that otherwise does not provide it
#5Method and system for providing prepaid roaming support at a visited network that otherwise does not allow it
#6CONVERGED PREPAID AND POSTPAID CHARGING
#7Prepaid telephony system and method of activating a prepaid telephony account