US Patent 10511707 Voice communication method

While in a full-duplex live audio communication session with an external device, an electronic device receives control signal data from the external device. In response, the electronic device issues a perceptual notification. After a first predetermined time period since receiving the control signal data, the electronic device receives audio data from the external device. After a second predetermined time period since issuing the perceptual notification, the electronic device outputs the audio data from the speaker.