REGISTERED iFC is part of the registered profile UNREGISTERED iFC is part of the unregistered profile INITIAL_REGISTRATION Matches to REGISTER messages that are related to initial registration RE-REGISTRATION Matches to REGISTER messages that are related to re-registration DE-REGISTRATION Matches to REGISTER messages that are related to de-registration SESSION_CONTINUED Session Continued SESSION_TERMINATED Session Terminated ORIGINATING_SESSION Originating Session TERMINATING_REGISTERED Terminating Session for registered user TERMINATING_UNREGISTERED Terminating Session for unregistered user ORIGINATING_UNREGISTERED Originating Session for an unregistered user PUBLIC_USER_IDENTITY Identity is a Public User Identity. DISTINCT_PSI Identity is a distinct Public Service Identity. WILDCARDED_PSI Identity matches a wildcarded Public Service Identity. WILDCARDED_IMPU Identity is a Wildcarded Public User Identity. IMPU WILDCARD Identity is a Wildcard for Public User Identities.