Call re-routing system for telephone installations

Claim 1

A call re-routing system for telecommunication installations, comprising: storage means (U-sp) having a plurality of storage locations each of which is permanently assigned to a corresponding subscriber station of the installation which subscriber station is authorized to have calls re-routed therefrom, for recording in each said storage location information identifying a subscriber station to which a call to said corresponding station is to be routed, dial information evaluation means (W-Bw) for evaluating dial information received from a calling subscriber station and for identifying a desired, called subscriber station which is authorized to have calls re-routed therefrom, to address the storage location of the called subscriber station in said storage means, said storage means being connected to said dial evaluation means to receive decoded dial information therefrom such that the storage location therein for each said corresponding subscriber station is addressed whether or not re-routing is to take place, said dial evaluation means including means for receiving and operating responsive to information transmitted by the called subscriber from a subscriber station other than the called subscriber station for demanding call re-routing to said other subscriber station, identification means (TA-Id) responsive to receipt of the information from the called subscriber for automatically identifying said other subscriber station, control means (U-Sp-St) responsive to rEcognition by said dial evaluation means (W-Bw) of a call re-routing demand and to receipt of complete dial information for identifying the subscriber station normally assigned to said called subscriber to enable said storage means for recording information identifying said other subscriber station, as identified by said identification means, and the storage location corresponding to the said normally assigned station of the called subscriber, and subscriber station connection means (TA-An) responsive to said storage means for completing a call connection between said calling subscriber station and said other subscriber station identified by the information stored in the storage location of the called subscriber station.