Method of modifying parameters of user terminal, radio system and user terminal

摘要

There is provided a method of modifying parameters of a user terminal in a radio system and radio system. The method comprises the step of generating a USSD (Unstructured Supplementary. Service Data) message comprising data relating to parameters of the user terminal. The method further comprises the steps of transmitting the USSD message from the user terminal to a home location register of the radio system, forwarding the received USSD message from the home location register via a USSD gateway to an application server, and modifying the parameters of the user terminal based on the data relating to the parameters of the user terminal.