Systems and methods for account establishment and...

Systems and methods for account establishment and...

Systems and methods for account management using interrupt...

Systems and methods for generating bills

Systems and methods for least cost routing of long distance...

Systems and methods for offering a service to a party...

Systems and methods for providing calling plan information

Systems and methods for providing prepaid collect...

Systems and methods for reducing the occurrence of annoying...

Targeted advertising in a telephone dialing system

Technique for attributing communication call transactions to...

Technique for detecting call metering in key telephone system

Technique for effectively controlling communication links to...

Technique for effectively providing a personalized...

Technique for effectively providing a personalized...

Technique for selecting a profile to use to service a call

Telecommunication network arrangement for providing real time ac

Telecommunication service processing method and apparatus

Telecommunication service with pre-paid access

Telecommunication services reporting system