Enriched presence status

For enriching presence statuses of users in a contact list with call routing rules associated with said users, the presence statuses indicating an availability of said users, called contact users, for communication and being delivered by a presence server (PS) to an application (UCA) implemented in a communication device (CD) owned by a user, called application user, the presence server: sends a request to a call server (CS) managing call routing rules of said contact users, the request containing identifiers (IdCU) of said contact users, receives a response from the call server, the response containing routing statuses (RS) of said contact users, the call server having determined call routing rules (RR) stored respectively in correspondence with the identifiers (IdCU) and having interpreted the call routing rules (RR) to create a routing status for each contact user, and sends a message to the communication device (CD), the message containing the routing status for each contact user, in order that the application (UCA) displays the routing status of contact users.