The present invention discloses a services management method for managing subscriber services, comprising the steps of assigning an access code to a subscriber, encapsulating said access code into a data message, and transmitting said data message via a corresponding data channel of said network to a terminal (1) of said subscriber. By using this method, an access code like a password can be sent from a Service Management Access Point (SMAP) (6) to the terminal (1) of a subscriber via a data message such as a Short Message Service (SMS) message.