Patent ID: 8874163
Filing Date: 2014-10-28
Classification: H03G,H04R

Abstract:
1. A method in a mobile communication terminal for supporting a plurality of communication systems, the method comprising: storing a plurality of sound volume levels, wherein a sound volume level is stored by: selecting a communication system, among a plurality of communication systems, supported by the mobile communication terminal; selecting a wireless connection device among a plurality of wireless connection devices that can be connected to the mobile communication terminal via near field communication techniques; receiving a sound volume level for the selected communication system and the selected wireless connection device; and storing the received sound volume level; upon detecting a call connection, identifying a first communication system in which the call connection is detected; connecting the mobile communication terminal to a wireless connection device through a second communication system; selecting a first sound volume level corresponding to the identified first communication system and the connected wireless connection device among the plurality of sound volume levels; transmitting a sound signal to the connected wireless connection device based on the first sound volume level through the second communication system; if a sound volume is changed during the call connection, updating the first sound volume level based on the changed sound volume.