A hearing device system comprising a first hearing device and a second hearing device configured to be worn at a first ear and second ear, respectively, of a user, - the first hearing device and the second hearing device each comprising at least one microphone (8a, 8b), a primary antenna (10a, 10b) configured for establishing a first bidirectional wireless link with the other hearing device, and a speaker (12a, 12b), - the hearing device system being configured to determine a first noise level, N 1, of sound received by the at least one microphone of the first hearing device and a second noise level, N 2, of sound received by the at least one microphone of the second hearing device, characterized in that - the first hearing device comprising a secondary antenna configured for establishing a second bidirectional wireless link with an electronic device adapted for establishing a call between the user and a far-end caller, and the second hearing device does not comprise a secondary antenna, and - the hearing device system being further configured to operate in a call mode in which: the at least one microphone of the first hearing device establishing the second bidirectional wireless link is configured to capture the user's voice upon a start of the call; and when N 1 <N 2, the at least one microphone of the first hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the second bidirectional wireless link, and when N 1 >N 2, the at least one microphone of the second hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the first bidirectional wireless link to the first hearing device and then through the second bidirectional wireless link. - the first hearing device and the second hearing device each comprising at least one microphone (8a, 8b), a primary antenna (10a, 10b) configured for establishing a first bidirectional wireless link with the other hearing device, and a speaker (12a, 12b), - the hearing device system being configured to determine a first noise level, N 1, of sound received by the at least one microphone of the first hearing device and a second noise level, N 2, of sound received by the at least one microphone of the second hearing device, characterized in that - the first hearing device comprising a secondary antenna configured for establishing a second bidirectional wireless link with an electronic device adapted for establishing a call between the user and a far-end caller, and the second hearing device does not comprise a secondary antenna, and - the hearing device system being further configured to operate in a call mode in which: the at least one microphone of the first hearing device establishing the second bidirectional wireless link is configured to capture the user's voice upon a start of the call; and when N 1 <N 2, the at least one microphone of the first hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the second bidirectional wireless link, and when N 1 >N 2, the at least one microphone of the second hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the first bidirectional wireless link to the first hearing device and then through the second bidirectional wireless link. the at least one microphone of the first hearing device establishing the second bidirectional wireless link is configured to capture the user's voice upon a start of the call; and when N 1 <N 2, the at least one microphone of the first hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the second bidirectional wireless link, and when N 1 >N 2, the at least one microphone of the second hearing device is selected to capture the user's voice for the call and the user's captured voice signal is transmitted to the electronic device through the first bidirectional wireless link to the first hearing device and then through the second bidirectional wireless link.