Patent ID: 7636434
Filing Date: 2009-12-22
Classification: H04M,H04Q

Abstract:
1. A method for replacement of access equipment of a telecommunications exchange, the exchange comprising: at least one magazine for housing circuit boards; a plurality of circuit boards connected to subscriber lines and inserted inside at least one of the magazines and operational to handle telephone calls; the method comprising the steps of: disconnecting the subscriber lines from at least one of the circuit boards of one of the magazines; removing at least one of the circuit boards, from which the subscriber lines have been disconnected, from the exchange; adding at least one new circuit board to the exchange; connecting each of the new boards to a new communications channel through which it can be controlled, wherein said new communications channel is not a dedicated control bus of said magazine; connecting the previously disconnected subscriber lines to the new boards; selling the new boards in an operational state so that telephone calls can be made on the lines connected to the new boards, the board's handling of the calls being controlled through the new communications channel; and, repeating the method steps until a predetermined number of circuit boards have been replaced; wherein the new circuit boards are not controlled by the existing telecommunications exchange but instead by a processor of a new exchange.