A method for an associated phone calling is disclosed, that a mobile terminal needs to have association relationships with one or multiple communication terminals in a network. Said device comprises two folding element facing each other and whose ends are connected together by deformable means. The strain relief member has a flexible conduit, a first section and a second section spaced from the first section. The highest or lowest level is assigned to the nodes belonging to the identified cluster. If the necessity of transmission is confirmed by the user, the control unit establishes a session with a destination and transmits image data of pages stored in the memory to the destination.