For the purposes of the present document, the following terms and definitions given in TS 23.003
Distinct Public Service Identity
Distinct Public User Identity
Public Service Identity
Public User Identity
Wildcarded Public Service Identity
Wildcarded Public User Identity
For the purposes of the present document, the following terms and definitions apply.
Common Part (of a user profile):
Contains Initial Filter Criteria instances that should be evaluated both for registered and unregistered Public User Identities, or for unregistered Public Service Identities in the S-CSCF.
Complete user profile:
Contains the Initial Filter Criteria instances of all three different user profile parts; registered part, unregistered part and common part.
IP Multimedia session:
IP Multimedia session and IP Multimedia call are treated as equivalent in this specification.
Authentication pending flag:
A flag that indicates that the authentication of a Public User Identity - Private User Identity pair is pending and waiting for confirmation.
Data that is sent in the Charging-Information AVP.
Allowed WAF and/or WWSF identities:
A list of network addresses identifying WebRTC Authentication Functions (WAFs) and/or WebRTC Web Server Functions (WWSFs) allowed for a subscription.
Implicitly registered Public User Identity set:
A set of Public User Identities, which are registered and de-registered simultaneously when any of the Public User Identities belonging to that set is registered or de-registered.
Not Registered State:
Public Identity is not Registered and has no S-CSCF assigned.
Either a Private User Identity or a Private Service Identity.
Either a Public User Identity or a Public Service Identity.
Registered Part (of a user profile):
Contains Initial Filter Criteria instances that should be evaluated only for registered Public User Identities in the S-CSCF. iFCs from the registered part need not be evaluated when the Public Identity is unregistered.
Public User Identity is Registered at the request of the user and has an S-CSCF assigned.
S-CSCF reassignment pending flag:
A flag that is handled only when IMS Restoration Procedures are supported.and that indicates that the subscription may be reassigned to a new S-CSCF (i.e. the current S-CSCF is not responding)
Unregistered part (of a user profile):
Contains Initial Filter Criteria instances that should be evaluated only for unregistered Public Identities in the S-CSCF. iFCs from the unregistered part need not be evaluated when the Public User Identity is registered.
Public Identity is not Registered but has a serving S-CSCF assigned to execute Unregistered state services as a consequence of a terminating request, or an originating request from an AS on behalf of a user, or there is an S-CSCF keeping the user profile stored.
The user related data that the S-CSCF requests from the HSS or HSS pushes to the S-CSCF, e.g. user profile,charging information, allowed WAF and/or WWSF identities and authentication information.
Data that is sent in the User-Data AVP.
For the purposes of the present document, the following abbreviations apply:
Attribute Value Pair
Call Session Control Function
Diameter Routing Message Priority
Differentiated Services Code Point
Home Subscriber Server
IP Multimedia Subsystem
Multimedia Priority Service
Network Attachment SubSystem
Session Initiation Protocol
Server Locator Function
WebRTC Authentication Function
WebRTC Web Server Function