Patent ID: 8917710

Claim:
A method for indicating a service connection status of a user terminal, wherein a service connection is between the user terminal and a Wireless Local Area Network (WLAN), comprising: sending, by a service control unit, a detach request to the user terminal, wherein the detach request includes at least one reason about why the user terminal is to be detached from the WLAN; updating, by the service control unit, a first flag set in the service control unit indicating the service connection status of the user terminal as WLAN detached; sending, by the service control unit, a user data updating instruction indicating the service connection status to a user information storage unit; and receiving, by the service control unit, a user data updating response returned from the user information storage unit after the user information storage unit updating a second flag set in the user information storage unit on receiving the user data updating instruction, wherein the second flag indicates the service connection status between the user terminal and the WLAN.