(57) A method for access network (112) sharing, for example, a GSM or UMTS 3G wireless
communications radio access network (RAN), among multiple core networks (120, 12,
124 & 126), for example, wireless communications services networks, including transmitting
information about the core network sharing the common access network, e.g., a pseudo
network identity or the number of core networks sharing the common access network
or pointer information, in a system information message. The communication device
(102) uses the information provided in the system information message to connect to
a core network.
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