Patent ID: 6574196
Filing Date: 2003-06-03
Classification: H04L

Abstract:
An apparatus for testing interworking function (TWF) system, said apparatus comprising:a trunk interface unit having a plurality of time switches defining transmission channels operatively coupled to said IWF system for transmitting communication signals therebetween; a circuit data processing unit operatively coupled to said IWF system via said trunk interface unit; a control bus operatively coupled to said circuit data processing unit and said trunk interface unit for transmitting control signals between said circuit data processing unit and said trunk interface unit; a data bus being a time division multiplex structure and operatively coupled to said circuit data processing unit and said trunk interface unit for transmitting data signals between said circuit data processing unit and said trunk interface unit via said transmission channels of said trunk interface unit; a control unit having a display means operatively coupled to said circuit data processing unit for transmitting and/or receiving test information to/from said interworking function system; at least one wireless subscriber unit for emulating a role of an actual wireless subscriber, and at least one wired subscriber unit for emulating a role of actual wired subscriber, wherein each of said at least one wireless subscriber unit and said at least one wired subscriber unit being assigned to one of said transmission channels of said trunk interface unit.