Communicating operator information to an external device

摘要

A controller of a mobile communication apparatus, such as a cellular phone, that detects operator information based on a radio signal transmitted from a base station and checks whether the operator information has changed while maintaining the same roaming status information. When the controller detects that the operator information changed, the controller transmits one of the same roaming status information and service status information to an external device which is connected via a short-range communication link.

主权项

1. A mobile communication apparatus, comprising:
a first radio interface configured to communicate with a base station; a second radio interface configured to communicate with an external device via a short-range wireless link; a memory configured to store roaming status information, service status information, and operator information; and a controller configured to control the mobile communication apparatus, wherein the controller detects one of a plurality of events including a change of operator information, moving to an area outside of a communication area, and moving back into a roaming area, wherein when the controller detects one of the events, the controller obtains operator information based on a radio signal from the base station, compares the obtained operator information with the stored operator information in the memory, and transmits the roaming status information and the service status information in the memory to the external device when it is detected that the obtained operator information has changed, even in a case that the roaming status information indicating the roaming area remains unchanged.