Abstract: An audio data service provision method and system for efficiently switching the audio data service among multiple Bluetooth devices. An audio data service provision method of the present invention includes establishing a first audio data channel between a first and a second Bluetooth devices for providing an audio data service; receiving, at the first Bluetooth device, an audio data channel assignment request from a third Bluetooth device; and releasing, when the audio data channel assignment request is accepted, the first audio data channel and establishing a second audio data channel with the third Bluetooth device for providing the audio data service.

Abstract: A method and apparatus for displaying a background image on a portable terminal that is associated with a current location of the portable terminal. The method includes: comparing information regarding a location where the portable terminal is currently located with information about a location stored in data; and displaying the data as the background image if the current location information regarding the portable terminal is consistent with the location information stored in data. The background images can be automatically displayed in the portable terminal using a variety of captured data related to the portable terminal user. The data may also be pre-captured and downloaded to the portable terminal.