| 摘要 |
<p>A method of upgrading the software of a terminal of a telecommunication network, in particular a wired video telephone, includes the steps of periodically sending a first signal from the terminal to a service center via an intelligent network, the first signal including a service access code containing information related to the current software version installed on the terminal; checking, in a data base containing information on the different software versions available in the service center, if the current software version corresponds to a correct software version; sending from the service center to the terminal a second signal, in the form of a DTMF sequence, indicative of the result of the step of checking; possibly displaying a message on the terminal to inform the user that the software has to be upgraded; and remotely downloading the software.</p> |
