Patent ID: 6463286
Filing Date: 2002-10-08
Classification: H04W

Abstract:
Telecommunication system comprising a first and at least one second mobile radio communication network, wherein one or more mobile stations of the first network are temporarily granted access in the second network at overload conditions in the first network, comprisingin the first network: a) an overload detection means detecting an overload condition in the first network; b) a first switching means including request means for sending to a second switching means of the second network a request message requesting that one or more mobile stations of the first network which cannot be handled in the first network due to said overload condition be handled by the second network, the request message indicating the number of mobile stations to be handled by the second network; and in the at least one second network: c) a reception means for receiving said request message from the first switching means; d) an access grant means for determining whether the second network has enough capacity to handle calls of said one or more mobile stations which cannot be handled by the first network and for granting access for the mobile stations if there is enough capacity; e) a response message sending means for sending a response message to said first switching means indicating that said second network grants access to one or more mobile stations of the first network which cannot be handled during said overload conditions if said access grant means determines that the capacity is sufficient; and in at least one of the first and second network: f) a registering means for registering the one or more mobile stations, which cannot be handled in said first network, in said second network.