External-to-internal numbering plan aliasing

Feature control system utilizing design oriented state table lan

Feature interaction arbitrator

Feature interaction manager

Fully flexible routing system

Gateway for using legacy telecommunications network element equi

Generic service coordination mechanism for solving supplementary

Global management of telephone directory

Graphical shelf navigator for a telecommunications switch manage

Hotel interactive communication apparatus

Human machine interface for telephone feature invocation

Incoming telephone call director

Independent central office which provides local and long distanc

Integrated electronic information system

Intelligent communications networks

Intelligent communications networks

Intelligent communications networks

Intelligent network internetworking access arrangement

Interactive terminal for the access of remote database informati

Interactive terminal for the access of remote database informati