System and method for virtual wireless calling

System and method having a distributed external database

System and method of autodialing for long-distance access

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 and method to minimize glare in interoffice trunk allocat

System connection adapter and terminal

System for accessing different resources having the same...

System for achieving local number portability

System for and method of channel associated signaling...

System for and method of extending a PBX phone port to a...

System for and method of hairpinning a remote PBX or KTS or...

System for caller control over call routing paths

System for connecting an incoming call to a selected one of a nu

System for connecting an incoming call to a selected one of a nu

System for connecting an incoming call to a selected one of a nu

System for connecting calls on physically distinct servers on an