Make a call Press to answer an incoming call. Press to end the current call. Press and hold to reject an incoming call. Press twice to dial the last called number. Press twice to hold on the current call and answer another incoming call. Clear the pairing information When the product is powered off, press and hold for 8 seconds. 7 EN SBT10_37_UM_V1.0_EN.indd 7 7/29/2013 4:01:51 PM Buttons Functions Mute the integrated microphone or release it from mute status.