| 摘要 |
<p>The present invention relates to a method for setting up a radio transmission between a first and a second mobile communication device comprising the steps of, enabling the first device for radio transmission and sound reception, enabling the second device for sound transmission and reception of a radio transmission, initiating a radio transmission in the first device, where the radio transmission uses a radio broadcast technology to transmit a setup sound on a start frequency, receiving in the second devices, using the same radio broadcast technology, the radio transmission from the first device containing the setup sound, initiating a sound transmission of the received setup sound, in the second device, using a loudspeaker, and receiving, in the first device, by increasing/decreasing the start frequency, using a microphone the transmitted setup sound from the second device.</p> |
