2.2.20.7 ConversationId element

The conversationId element provides a correlating identifier between the call context data and the related call that the data was authored for. It MUST be present in the call context data and MUST appear only once.

<xs:element name="conversationId" type="xs:token" minOccurs="1" maxOccurs="1"/>

The conversationId element MUST reflect a unique identifier related to the call that the call context data was authored for.