METHOD, SYSTEM AND NETWORK ELEMENT FOR PROCESSING THE PROVISION OF SERVICES AFTER THE DATA OF THE NETWORK BECOMES UNACCEPTABLE OR THE FAILURE OF THE NETWORK

摘要

1. The method of returning user data, characterized in that it contains the steps in which:! receive, by the own subscriber server (HSS), a user request message containing user identification information from a serving call session management function (S-CSCF); ! performing, by the HSS, a request to the S-CSCF assigned to the user according to the user identification data; and! return, via HSS, user data according to the request message when the assigned S-CSCF is the requesting S-CSCF. ! 2. The method according to claim 1, characterized in that it further comprises stages in which:! performing a request, by means of the HSS, for a stored user registration state according to user identification data; and! returning, via the HSS, user data according to the request message when the stored user registration state is “registered” and the assigned S-CSCF is the requesting S-CSCF. ! 3. The method according to claim 1, characterized in that it further comprises stages in which:! receiving, by the S-CSCF, a call setup request message containing user credentials; and! add, via the S-CSCF, user credentials to the user data request message and send a user data request message to the HSS. ! 4. The method according to claim 3, characterized in that the message with the request to establish a call is an INVITE message with a request for an unregistered incoming call sent