Patent ID: 7634255

Claim:
A method of implementing a feature service of a mobile communication system having a mobile communication network and a mobile terminal, the method performed by the mobile terminal, comprising: performing a registration procedure with the mobile communication network; transmitting information of a feature code from the mobile terminal to the mobile communication network in response to a user input after the registration procedure is completed, wherein the information of the feature code includes a reporting time of status information relating to the feature service of the mobile communication system; requesting to establish a communication link between the mobile terminal and the mobile communication network after the feature code is transmitted from the mobile terminal to the mobile communication network, the communication connection being for a voice call or a data transfer procedure; receiving status information of the feature service from the mobile communication network based on the request to establish the communication link and based on the reporting time transmitted to the mobile communication network; processing the request to establish the communication link, according to the received status information of the feature service; and periodically receiving additional status information of the feature service of the mobile communication system from the mobile communication network.