Wireless communication system comprising at least two wireless devices including a master device (120,320) providing a master function and a slave device (100, 310) providing a slave function, the slave device arranged for providing at least one service and the master device being arranged for using the service, and the slave device and the master device being arranged for accommodating the service via wireless communication, each device of the at least two wireless devices comprising - a communication unit (102, 121) for the wireless communication, - a processor (101,122) coupled to the communication unit and arranged for said accommodating the service, a first device of the at least two wireless devices comprising a graphical user interface comprising a display, an interaction element for receiving user input and a graphical control unit coupled to the display and the interaction element, characterized in that the graphical control unit is arranged for - generating a system image for showing at least three node elements (310, 311,312,313,314,320) and connection elements (410,420) between the node elements, a respective node element graphically representing one of the master device, the slave device or the at least one service (311,312,313,314), and a respective connection element graphically representing a wireless connection or service session that is established between the node representing the master device and another node element, the at least three node elements including a first node element representing the first device; - selecting devices to be connected by receiving, via the interaction element, a line drawing input indicative of a line drawn in the system image by the user between two selected node elements of the at least three node elements, at least one of the selected nodes being the master device; and - upon receiving the line drawing input, initiating a setup operation for a wireless connection or for a service session runing over the wireless connection between the selected devices corresponding to the selected node elements, and the processor of the first device is arranged for performing the setup operation by establishing a wireless connection or service session between the selected devices. - a communication unit (102, 121) for the wireless communication, - a processor (101,122) coupled to the communication unit and arranged for said accommodating the service, a first device of the at least two wireless devices comprising a graphical user interface comprising a display, an interaction element for receiving user input and a graphical control unit coupled to the display and the interaction element, characterized in that the graphical control unit is arranged for - generating a system image for showing at least three node elements (310, 311,312,313,314,320) and connection elements (410,420) between the node elements, a respective node element graphically representing one of the master device, the slave device or the at least one service (311,312,313,314), and a respective connection element graphically representing a wireless connection or service session that is established between the node representing the master device and another node element, the at least three node elements including a first node element representing the first device; - selecting devices to be connected by receiving, via the interaction element, a line drawing input indicative of a line drawn in the system image by the user between two selected node elements of the at least three node elements, at least one of the selected nodes being the master device; and - upon receiving the line drawing input, initiating a setup operation for a wireless connection or for a service session runing over the wireless connection between the selected devices corresponding to the selected node elements, - generating a system image for showing at least three node elements (310, 311,312,313,314,320) and connection elements (410,420) between the node elements, a respective node element graphically representing one of the master device, the slave device or the at least one service (311,312,313,314), and a respective connection element graphically representing a wireless connection or service session that is established between the node representing the master device and another node element, the at least three node elements including a first node element representing the first device; - selecting devices to be connected by receiving, via the interaction element, a line drawing input indicative of a line drawn in the system image by the user between two selected node elements of the at least three node elements, at least one of the selected nodes being the master device; and - upon receiving the line drawing input, initiating a setup operation for a wireless connection or for a service session runing over the wireless connection between the selected devices corresponding to the selected node elements,