7.14 Dialog event package extensions defined within the present document

24.2293GPPIP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)Release 18Stage 3TS

7.14.1 General

This subclause describes the dialog event package extensions that are applicable for the IM CN subsystem.

7.14.2 Dialog event package extension to transport UE identity information

7.14.2.1 Structure and data semantics

This subclause defines an extension to the dialog event package (RFC 4235 [171]) to transport UE identity information for UEs belonging to the same subscription.

In order to include UE identity information in the dialog event package, the notifier shall

1. in the <dialog-info> element add one or more <ue-instance> elements defined in subclause 7.14.2.2 and 3GPP TS 24.174 [8ZH], each element containing:

a) an "identity" attribute set to an identifier of the UE as specified in 3GPP TS 24.174 [8ZH]; and

b) an "alias" attribute set to a user friendly name of the UE as specified in 3GPP TS 24.174 [8ZH].

7.14.2.2 XML Schema

Table 7.14.1 in this subclause defines the XML Schema describing the extension to include UE identity information which can be included in the dialog event package sent from the TAS in NOTIFY requests.

Table 7.14.1: UE identity information, XML Schema

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema

targetNamespace="urn:3gpp:extDEN:1.0"

xmlns:xs="http://www.w3.org/2001/XMLSchema"

xmlns:ss="http://uri.etsi.org/ngn/params/xml/simservs/xcap"

elementFormDefault="qualified" attributeFormDefault="unqualified">

<xs:include schemaLocation="XCAP.xsd"/>

<ss:ue-instance/>

</xs:schema>