Patent ID: 6160882
Filing Date: 2000-12-12
Classification: H04Q

Abstract:
A subscriber access network (AN) for the connection of terminals (TE1 to TE8) which can be reached through the subscriber access network (AN) by means of respective public numbers assigned to them in a public numbering range, the subscriber access network (AN) comprising a plurality of exchanges (SSP, PABX1 to PABX3) for connecting the terminals (TE1 to TE8) to the subscriber access network (AN),characterized in that two or more of the exchanges (PABX1 to PABX3) are private branch exchanges with respective private numbering ranges and each comprise first means adapted to assign to the terminals connected to the respective private branch exchange their respective public numbers as extension numbers in the respective private numbering range, that the subscriber access network (AN) comprises second means (CONTR1) for determining that of the two or more private branch exchanges from a connection request with a called public number (CN) in whose private numbering range the called public number is assigned to a terminal as an extension number, and that the subscriber access network (AN) comprises third means (CONTR2, SSP) for entering a virtual number (CVN), consisting of a private branch exchange identification assigned to the private branch exchange determined and the called public number, in the connection request as the called number.