1. User Interface

2. The Protocol Interface The service we have tested is a clock: the control point sends a request to the device (demo device in this case) which reply with the time. The service we have tested is a clock: the control point sends a request to the device (demo device in this case) which reply with the time. The state variable is the location of the device. The state variable is the location of the device. At first the user chooses the protocol icon on the mobile, then he/she clicks start: At first the user chooses the protocol icon on the mobile, then he/she clicks start:

3. Cont. The control point starts searching for a device (discovery step). The control point starts searching for a device (discovery step). Afterwards the control point discovers a device and proposes getting the device description. Afterwards the control point discovers a device and proposes getting the device description.

4. Cont. The user is asked if he is interested in getting the service description (Description step): The user is asked if he is interested in getting the service description (Description step):

5. Cont. Control Step: The device is ready to invoke an action : Control Step: The device is ready to invoke an action :