System and method for managing interconnect carrier routing
System and method for managing prepaid card
System and method for managing telecommunication trunk groups
System and method for manipulating data fields in a call structu
System and method for notifying a user of a calling card...
System and method for pre-paid and pay-per-use internet...
System and method for pre-paid and pay-per-use internet...
System and method for preparing telecommunications call...
System and method for preventing fraudulent calls using a...
System and method for processing telephone numbers
System and method for providing an alert during communications
System and method for providing prepaid communications
System and method for providing prepaid communications
System and method for providing prepaid telecommunication...
System and method for providing prepaid telecommunication...
System and method for providing service assurance for...
System and method for providing sponsored of universal...
System and method for providing sponsored or universal...
System and method for providing universal telecommunications...
System and method for real time carrier selection