ui:lastContact

<ui:lastContact>
  <ui:displayString>...</ui:displayString>
  <ui:uri>...</ui:uri>
</ui:lastContact>

<cwaCategory name="userInformation" instance="0" version="49" publishTime="2007-10-25T22:09:53Z">
  <userInformation xmlns="http://schemas.microsoft.com/2006/09/sip/options/userInformation">
    <phones>
      <phone type="work">
        <publish>true</publish>
        <readOnly>false</readOnly>
        <displayString>7777777777</displayString>
      </phone>
      <phone type="mobile">
        <publish>true</publish>
        <readOnly>true</readOnly>
        <uri>1234567890</uri>
        <displayString>1234567890</displayString>
      </phone>
      <phone type="home">
        <publish>true</publish>
        <readOnly>true</readOnly>
        <uri>1234567890</uri>
        <displayString>1234567890</displayString>
      </phone>
      <phone type="other">
        <publish>true</publish>
        <readOnly>false</readOnly>
        <displayString>6666666666</displayString>
      </phone>
    </phones>
    <callHandlingList>
      <lastContact>
        <displayString>bob</displayString>
        <uri>sip:bob@contoso.com</uri>
      </lastContact>
    </callHandlingList>
  </userInformation> 
</cwaCategory>