Authentication method e.g. for multimode terminal within wireless network, GSM, GPRS, UMTS, involves authentication of multi-mode terminal in wireless network under use of existing or channel which can be developed to second network

摘要

The method involves the authentication of a multi-mode terminal (3) in a wireless network under use of an existing or channel which can be developed to a second network. The authentication of the multi-mode terminal in the first wireless network is provided under switching of the second network (2) or takes place in the second network.