Menetelmä ja järjestely verkkoonpääsyn kontrolloimiseksi matkaviestinjärjestelmässä

摘要

The purpose of the invention is a method and an arrangement for control of access to a network in a mobile communication system HPLM home register HLR in connection with a position update request which is received from a visitor register VLR. In the home register there is a list 13 of forbidden visitor registers. Among the subscriber information about the mobile subscriber in a subscriber database 12 there is an index which indicates the visitor registers forbidden to the mobile subscriber in said list. The home register checks to see whether the visitor register which has sent the position update request is among the visitor registers indicated by the mobile subscriber's index, and the position updating is forbidden if the visitor register is among the forbidden ones. <IMAGE>