Patent ID: 8649787

Claim:
A method for transmitting information relating to communication links for a mobile terminal device assigned to a first local radio area of a network, the mobile terminal device having a first address for communications when in the first local radio area, the method comprising: the mobile terminal device determining that the mobile terminal device is located in a second radio area and is no longer in the first local radio area, the determination made by the mobile terminal device being based upon a comparison of a recognition signal to be received by the mobile terminal device when the mobile terminal device is in the first local radio area of the network with a recognition signal received when the mobile terminal device is located in the second radio area; signaling the determined second radio area by the mobile terminal device to an application on the network, the signaling comprising the mobile terminal device transmitting an indication that the mobile terminal device is no longer in the first radio area to the application via a network-specific terminal device protocol; and through the application, directing a communication request addressed to the mobile terminal device by notifying the calling terminal device that initiated the communication request that the mobile terminal device is not located in the first local radio area to which the mobile terminal device is assigned and to identify a second address for the mobile terminal device that is assigned to the mobile terminal device for communications with the mobile terminal device when the mobile terminal device is in the second radio area, the second address being different than the first address; wherein the notifying the calling terminal device that initiated the communication request comprises an announcement device informing the calling terminal device of a telephone number for the mobile terminal device for the second radio area in which the mobile terminal device is located, the telephone number being the second address for the mobile terminal device for the second radio area.