A method of managing a token in a telecommunications network to allocate an exclusive right to one user out of a group of users who can request simultaneously to benefit from the same service; the method consisting in: a requesting user (EUA) sending (1) a token request to an application server (AS); the application server (AS) then allocating (2) a single token to a requesting user; the requesting user who has received the token then sending (3) data to a media server (MS) suitable for transporting the data; said user (EUA) sending (4) a token-release request to the application server (AS); and finally said application server (AS) broadcasting (5) a message to all of the users (EUA, . . . , EUD) indicating that the token is available.