Pre-paid wireless interactive voice response system with...
Pre-paid wireless interactive voice response system with...
Predictive payment suggestion in a telecommunication system
Prepaid call management in intelligent network
Prepaid charging in communication network
Prepaid handset credit activation
Prepaid mobile subscriber identification card and method...
Prepaid reservation-based rating system
Prepaid security cellular telecommunications system
Prepaid security cellular telecommunications system
Prepaid subscriber service for packet-switched and...
Prepaid system, method thereof, and communication terminal
Prepaid telecommunication system
Prepaid wireless telephone account regeneration in a...
Prepaid wireless telephone account regeneration in a...
Prepaid/postpaid automatic change of payment option
Prepay telecommunications system
Prepay telecommunications system
Prepay telecommunications system
Prepay telecommunications system