B.1 General description
29.2283GPPIP Multimedia (IM) Subsystem Cx and Dx InterfacesRelease 17Signalling flows and message contentsTS
The following picture gives an outline of the UML model of the user profile, which is downloaded from HSS to S-CSCF:
Figure B.1.1: User Profile
IMS Subscription class contains as a parameter the private user identity of the user in NAI format and the IMSI of the user, if available, as defined in TS 23.003 [17].
Each instance of the IMS Subscription class contains zero or one instance of the class Reference Location Information.
The class Reference Location Information contains zero or one attribute AccessType, zero or one attribute AccessInfo, and zero or one attribute AccessValue.
The attribute AccessType indicates the type of access for which the reference location of the user is defined (e.g. ADSL). The attribute AccessInfo indicates the type of the access information defined for the reference location of the user (e.g. dsl-location). The attribute AccessValue contains the location information (e.g. line identifier in fixed access networks) as configured by the operator.
Each instance of the IMS Subscription class contains one or several instances of the class Service Profile.