Pagination on Roster Request

Dear All,

I m using pdgin Internet messenger as a Client.How can we manage pagination on Openfire3.5.1 .So that i can set pageSize and Pagenumber with jabber:iq:roster request …i.e. <iq type=‘get’ id=‘gaim4a7b6800’>

<query xmlns=‘jabber:iq:roster’/>

</iq>…

Thankx to All…