Speech fee display method
Speech fee display method
SS7 gateway
Subscriber reward method
Subscriber service management
Subscriber service management
Subscriber-initiated automated third party billing feature
Subscriber-initiated automated third party billing feature
Subscription-based billing methods and systems for shared...
Subscription-based billing methods and systems for shared...
Supporting supplementary services in an intelligent network
Switch interaction subsystems for facilitating network...
System and method for adding a surcharge to the cost/call for te
System and method for advertising supported communications
System and method for affecting inmate conduct with good...
System and method for alternate billing arrangement during a tel
System and method for auditing billing records in a...
System and method for automated tele-work service
System and method for automated telephone message routing...
System and method for automatically assigning an extension...