Hi, RFC 4826 just defines a few XML fields for each buddy entry to get stored 
in XCAP server, basically:

  <entry uri="sip:j...@example.com">
     <display-name>Joe Smith</display-name>
  </entry>


RFC 4482 (CIDID) adds some more:

     <xs:element name="card" type="xs:anyURI"/>
     <xs:element name="display-name" type="xs:string"/>
     <xs:element name="homepage" type="xs:anyURI"/>
     <xs:element name="icon" type="xs:anyURI"/>
     <xs:element name="map" type="xs:anyURI"/>
     <xs:element name="sound" type="xs:anyURI"/>


However they are not enough at all. Most of the applications containing 
contact list also allow other common attributes as mail, phone phone, mobile, 
organization, role...

How could a SIP UA store these attributes using XCAP? I hope that each vendor 
won't include its own propietary XML schema to accomplish this purpose so we 
would get *again* the same => NO INTEROPERABILITY.

Is there any RFC describing such XML schema to be used in XCAP storage?

Thanks.


-- 
Iñaki Baz Castillo <i...@aliax.net>

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