Patent ID: 6345089
Filing Date: 2002-02-05
Classification: H04M,H04Q

Abstract:
A method for call set-up in a telecommunication system comprising a plurality of subscriber terminals (110), a plurality of service provider means (15 to 17, 25, 26, 35, 45, 46), at least two service database means (10, 20, 30 and 40) for storing service information received from the service provider means, and a telecommunications network via which calls are established in the system, whereinthe service database means (10, 20, 30 and 40) are in an updated connection with the service provider means (15 to 17, 25, 26, 35, 45, 46) and store the service information received via the connection, the service information stored in the service database means (10, 20, 30 and 40) is periodically transmitted to a control means (11, 12, 21 to 23, 31 to 33, 41 and 42) in connection with the subscriber terminal (110), each of the control means (11, 12, 21 to 23, 31 to 33, 41 and 42) in connection with the subscriber terminal (110) stores the service information received from the service database means (10, 20, 30 and 40), and the service information stored in the control means (11, 12, 21 to 23, 31 to 33, 41 and 42) is used in controlling call set-up from the subscriber terminal (110), the service database means (10, 20, 30 and 40) form their own respective service areas, so that different service areas comprise a plurality of the service provider means (15 to 17, 25, 26, 35, 45, 46), subscriber terminals (110), and control means (11, 12, 21 to 23, 31 to 33, 41 and 42) in connection with the subscriber terminals (110), and the service database means (10, 20, 30 and 40) are in an undated connection with the service provider means (15 to 17, 25, 26, 35, 45, 46) of its own of the service areas, the service database means (10, 20, 30 and 40) transmit the service information related only to its own of the service areas to the control means (11, 12, 21-23, 31-33, 41 and 42) in connection with the subscriber terminal (110), the service database means (10, 20, 30 and 40) form a network where each of the service database means (10, 20, 30 and 40) shares its own of the service information with the other service database means (10, 20, 30 and 40), and each of the service database means (10, 20, 30 and 40) gathers from the service provider means (15 to 17, 25, 26, 35, 45, 46) the service information concerning the respective one of the service areas of the service database means (10, 20, 30 and 40) or the service going through the one of the service areas.