TELECONFERENCING AND CALL MULTIPLEXING WITH MULTIPLE EXTERNAL AUDIO DEVICES COUPLED TO A SINGLE MOBILE TELEPHONE

摘要

Various methods for using external audio devices with a single mobiletelephone are proposed,where the external audio devices have audio input functionality and audiooutput functionality.To support conferencing, audio data of a single telephone call involving themobile telephoneis communicated with two or more external audio devices. To support separatetelephone callsthat are concurrent for at least a period of time, audio data of a firsttelephone call involvingthe mobile telephone is communicated with one or more first external audiodevices, and audiodata of a second telephone call involving the mobile telephone is communicatedwith one ormore second external audio devices. If there are two or more first externalaudio devices, thenthe first telephone call is a conference call.