| 摘要 |
PURPOSE: A method for automatically changing a state of preference/non-preference calling service is provided to supply a solution for minimizing visual disturbance about a TV function to a user. CONSTITUTION: A network TV executes a temporary mode(S1310). The network TV receive login information(S1320). The network TV converts a telephone service into an idle state(S1330). The network TV receives a first call request signal from the device(S1340). The network TV receives data which determines approval of the received call request signal(S1350). The network TV controls a calling service according to data of a memory(S1370).
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