Patent ID: 7877598

Claim:
A method of determining the usability of encrypted user data objects by a first telecommunications terminal, which comprises the following steps: receiving, by switching component of a telecommunications network, an encrypted user data object to be transmitted to the first telecommunications terminal and a reference for checking a usability of the encrypted user data object by the first telecommunications terminal, the switching component not having access to a content of the encrypted user data object due to the encryption; the switching component determining a profile relating to capabilities of the first telecommunications terminal to process a user data object; transmitting, by the switching component, a request together with the determined profile of the first telecommunications terminal to a data provisioning component in accordance with an address contained in the reference for checking the usability of the encrypted user data object by the first telecommunications terminal; transmitting, from the data provisioning component to the switching component, information relating to a result of the check on the usability of the encrypted user data object to be transmitted for the first telecommunications terminal; and the switching component processing the encrypted user data object in accordance with the information relating to the check, and notifying the first telecommunications terminal thereof.