Radio communication system authenticating a personal station and
Rare probability connection call registration method using incom
Rate modelling
Rate validation system and method
Rating communications and special communities
Real time billing via the internet for advanced intelligent netw
Real-time billing system for a call processing system
Real-time billing system for a call processing system
Real-time network for distributed telecommunication accounting s
Real-time network traffic view
Real-time network traffic view
Real-time reconfiguration
Recyclable cellular telephone and method and apparatus for suppo
Recyclable cellular telephone and method and apparatus for suppo
Relief method of billing data in ATM switching system
Remote data access for operator assistance calls
Remotely selecting an economical communications transmission...
Repertory telephone dialer with remote billing capability
Report data capture via billing module
Reverse charging system, reverse-charging service control...