Bose A20 Aviation 2015-present Owner's guide - Page 22

Using the Headset Making and answering calls Call activity To make a call To activate voice control (if available) What to do Dial from your connected phone. The call will automatically transfer to the headset. When there are no active or incoming calls, briefly press . To answer a call Briefly press . You should hear a short beep in the headset before you hear the incoming call. To end a call Briefly press . You should hear two short beeps in the headset to indicate that the call has been ended. To ignore an incoming call Press for one second. To redial the last number When there are no active or incoming calls, press quick succession. twice in To transfer the audio to the mobile phone When you are on a call, press for three to four seconds. This transfers the audio to the mobile phone handset while the Bluetooth® connection remains active. Note: Some functions may not be available for some devices. Refer to your device user's guide for further details. Note: If you are on a call and unplugged from the intercom, the headset will allow you to complete your call, then it will turn off approximately three seconds after the call is terminated. To use the headset when unplugged from the intercom (to listen to secondary audio sources or to make or receive calls), we recommend you disable the Auto Off feature for uninterrupted functionality. See "Auto Off" on page 12. 22 - English