The invention relates to a telecommunication method having the following steps: establishing a first connection (101) between a first ID token (106) and a first computer system (136) via a second computer system (100) for reading at least one first attribute from the first ID token, generating a first soft token, wherein the first soft token comprises the at least one first attribute and a time specification, and wherein the first soft token is signed by the first computer system, sending the first soft token from the first computer system to a third computer system (150), wherein the first connection is a connection with end-to-end encryption.