Customer group billing
Customer profile based customized messaging
Customer profile based telephone card billing
Customer-oriented telecommunications data aggregation and...
Customizing prepaid service
Customizing prepaid service
Data collection method and system with shorter control interval
Data processing system for communications network
Data processing system for communications network
Data processing system with real time priority updating of data
Database-driven automatic message accounting system and method
Debit card system without centralized server
Decreased-size representation employed with portion of...
Destination device billing according to call recipient
Destination device order billing according to call recipient
Detecting high usage telecommunications lines
Detecting possible fraudulent communication usage
Detection of common information elements in PSTN call...
Device for collecting, processing, working, and managing...
Devices for delivering information on their communications to su