System and method for providing shared line appearances in a...

System and method for providing supplementary services (SS)...

System and method for providing telephone service having...

System and method for providing user mobility handling in a...

System and method for providing user-configured telephone...

System and method for providing value-added services (VAS)...

System and method for providing voice and/or data services

System and method for provisioning broadband service in a...

System and method for querying and recovering circuit group...

System and method for real-time data and voice transmission...

System and method for recording incoming calls on demand in...

System and method for remotely communicating with a...

System and method for remotely controlling a communication...

System and method for routing and communicating in a...

System and method for routing calls using dialing partitions

System and method for routing calls using dialing partitions

System and method for routing Internet calls

System and method for routing IP packets

System and method for routing telephone calls involving...

System and method for routing telephone calls over a voice...