Method and apparatus for ordering goods, services and...

Method and apparatus for performing a charging limit control

Method and apparatus for performing an automated collect call

Method and apparatus for performing an automated collect call

Method and apparatus for performing an automated collect call

Method and apparatus for performing an automated collect call

Method and apparatus for phone card billing

Method and apparatus for prepaid phone card activation and billi

Method and apparatus for prepayment of telecommunication connect

Method and apparatus for processing charges for a communication

Method and apparatus for providing answer supervision and an aut

Method and apparatus for providing multi-network virtual service

Method and apparatus for providing pre-pay and post-pay...

Method and apparatus for providing prepaid local telephone...

Method and apparatus for providing prepaid local telephone...

Method and apparatus for providing prepaid local telephone...

Method and apparatus for providing prepaid...

Method and apparatus for providing prepaid...

Method and apparatus for providing telephone billing and authent

Method and apparatus for providing telephone calling card valida