Patent ID: 6252955
Filing Date: 2001-06-26
Classification: H04Q

Abstract:
A method for subscriber addressing in a cascaded V5 interface in a data communication system comprising a telephone exchange (LE) with a number of subscribers defined in it, an access network (AN) connected to the telephone exchange via a first V5 interface (V5) and comprising a first access node (AN1), a second access node (AN2), which is connected to the telephone exchange, and a subscriber terminal (TE), which is connected to the telephone exchange via the access network and/or the second access node, wherein the second access node (AN2) is connected to the first access node (AN1) via a second V5 interface, the connection between the subscriber terminal (TE) and the telephone exchange (LE) being set up by cascading the two V5 interfaces, wherein subscriber parameters are defined for each subscriber, the parameters comprising an identifier of the first V5 interface (V5) and an identifier of the second V5 interface (V5') and the subscribers L3 address consistent with the V5 definitions, the signalling between the subscriber terminal (TE) and the telephone exchange being effected using the first and second V5 interfaces in accordance with the identifiers.