Patent ID: 7209553

Claim:
A method for implementing a cutover of a subscriber telephone line from a telephone line of a first exchange to a telephone line of a second exchange, comprising the steps of: providing a controllable switch that is operative, in response to a control signal, to couple the subscriber telephone line to either said telephone line of the first exchange or said telephone line of the second exchange; providing a controller, coupled with at least one of said telephone line of the first exchange and said telephone line of the second exchange for producing the control signal, coupled to said switch, upon receiving a predetermined signal over said at least one of said telephone line of the first exchange and said telephone line of the second exchange; initially setting said switch to couple the subscriber telephone line to said telephone line of the first exchange; and sending said predetermined signal over at least one of said telephone line of the first exchange and said telephone line of the second exchange, whereby said controller, upon receipt of said predetermined signal, produces said control signal to cause said switch to couple said subscriber telephone line to said telephone line of the second exchange.