| 摘要 |
A call setup method for minimizing call setup delays in a mobile communication system and an apparatus thereof are provided to minimize call setup delays by reporting the existence of a service sensitive to a call setup delay to a network and keeping a UE(User Equipment), which uses the service, connected. If call setup is requested for a service, a UE judges whether the requested service is sensitive to a call setup delay. In case the requested service is sensitive to a call setup delay, the UE establishes control information for indicating that the requested service is sensitive to a call setup delay. Then, the UE inserts the control information into a call setup request message and transmits it to a network. In this case, the control information comprises service information for showing that the requested service is sensitive to a call setup delay, indication information for requesting the network to keep the UE in a connected state, and RRM(Radio Resource Management) request information for requesting the network to execute specific RRM for the UE.
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