The present invention relates to a control device (1) for a first communications device (2). The control device (1) comprises at least means (8) for communicating with the first communications device (2). The control device (1) comprises means for coupling the control device (1) to a counterpart (9, 10), and at least part of the user interface (3) of the first communications device (2). The invention also relates to an attachment fitting (20) for use in connection with the control device (1).