US Patent 10999426 Voice communication method

An electronic device is disclosed. The electronic device includes one or more processors and memory storing one or more programs configured to be executed by the one or more processors. The one or more programs include instructions for receiving, from an external device associated with a contact, a request to establish a full-duplex live audio communication session between the electronic device and the external device; determining whether the contact is on a list; and in response to a determination that the contact is on the list, establishing the full-duplex live audio communication session between the electronic device and the external device, where the live audio communication session is established without receiving a user input that acknowledges the request.