terminal the key token is transmitted to nearby wireless devices associated with electrically operable door locks on receiving the appropriate key token from the wireless device in the mobile wireless terminal the door lock wireless device of the reserved room can notify the associated hotel reservation it system of the arrival of the user for check in and unlocks the door the user is notified of the event and is given the opportunity to control the door lock by means of a suitable user interface on the mobile wireless terminal a situation of use of the method explained above is also illustrated in fig6 the communication protocol between the mobile terminal and the wireless door lock system is performed over a bluetooth infrared or other suitable bearer to achieve optimal security this information shouldcould be protected in the user 39 s terminal by means of a pin code fingerprint or other local authentication methods the protocol as described can be implemented in several ways as a generic protocol that uses the bluetooth data transport directly for information exchange or it may be implemented using e g wap as a transport mechanism conventional electrically operated hotel room door locks employed by a system according to the invention may be equipped with bluetooth chips and functionality together with wap mobile phones equipped with wireless bluetooth compliant devices this makes possible mechanisms which may provide new value added services as described below such mechanisms may work in the following way now with reference to fig4 in yet another aspect of an embodiment of a method of the invention the invention provides for wireless user check out from the hotel.