System and method for rerouting data calls to internet...

System and method for routing calls

System and method for routing calls in a telecommunications...

System and method for storing and restoring communication...

System and method for switching telecommunications service...

System and method for switching telecommunications service...

System and method for tracing a call through a telecommunication

System and method for transparent consolidation of switches...

System and method for using an intelligent peripheral to...

System and method having a distributed external database

System and method of manufacture for establishing local...

System and method of performing forced default routing of calls

System and method of providing DSL services on a telephone...

System and method of using local number portability (LNP) to...

System and method that allows a telephone data repository to...

System connection adapter and terminal

System for achieving local number portability

System for caller control over call routing paths

System for coupling the public telephone network to the...

System for coupling the public telephone network to the...