On Dec 1, 2007 9:55 PM, Massimiliano Mirra <<a href="mailto:iolgzc102@sneakemail.com">iolgzc102@sneakemail.com</a>> wrote: <div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Thanks, Magnus.  I guess that would be straightforward for an internal server component, which has access to the user's roster.  Any idea about how an external component might do the same without caching the contact list?  (I don't see how that would be possible, but it wouldn't be the first time I miss the obvious.) </blockquote></div> I think the external component has to cache the contact list (This is what is done some of the python transports). -- - Norman Rasmussen - Email: <a href="mailto:norman@rasmussen.co.za">norman@rasmussen.co.za</a> - Home page: <a href="http://norman.rasmussen.co.za/">http://norman.rasmussen.co.za/</a>