Can anyone tell me how to use XIFF client transport file,Thank you!

I use jabber server and now i want to transport files from one client to another.But i don’'t find any function in xiff-2.0.0-beta4 about the “transport files”.

Can anyone help me ,thanks a lot.

I hava found same featrue in smack-2.2.1 called “FileTransfer”.My be the xxif now doesn’'t support file transfer,what a pity.