System for accessing telephonic communications and for conductin

System for automatically providing customer access to alternativ

System for controlling telecommunication overload traffic

System for controlling the provisioning of long distance service

System for generating service-oriented call-charge data in a...

System for interception and transmission of communication signal

System for least cost routing of data transactions in a telecomm

System for processing calling party information for internationa

System for processing calling party information for internationa

System for providing caller information to called party via call

System for providing caller information to called party via...

System for providing communication services

System for registering data into a memory

System for selection and monitoring telephone rates

System, evaluation device and method for verifying...

System, method and computer program product for a dynamic...

System, method, and computer program product for rating...

Systems and methods for account establishment and...

Systems and methods for account establishment and...

Systems and methods for account management using interrupt...