| 摘要 |
A method and apparatus of providing a public network service when a call management device is in a down state in a private wireless network is disclosed. The present invention provides the public network service when a call management device is in a down state in wire and wireless composite communication system serving through wire terminal and a wireless terminal by connecting the wireless network to an extended network linked to the public network. The method of providing a public network service having the steps of periodically checking, at the base station controller, a state of the call management device, and performing the wireless public network service when the call management device is in a down state.
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