Patent ID: 6014436
Filing Date: 2000-01-11
Classification: H04M

Abstract:
A method of operating a telephone switching facility, the method comprising the steps of:a) transmitting a signal from the telephone switching facility for causing an indication of a call screening feature at a telephone set of a called party in response to the call screening feature having been invoked at the telephone set;b) when the telephone set is called while the call screening feature is invoked, intercepting the call and connecting the call to one of an attendant position and a voice features server;c) when the call is intercepted and the called telephone set is OFF HOOK, transmitting a signal from the telephone switching facility to the telephone set of the called party for indicating an occurrence of an intercepted call to the called telephone set; andd) when a signal is received by the telephone switching facility indicating the called party wishes to take back the call during the connection of the call to one of an attendant position and a voice features server, disconnecting one of an attendant position and a voice features server from the call and establishing a full duplex voice connection which connects the call and the telephone set of the called party.