You can get amsn @ amsn.sourceforge.net .
It supports the MSN Messenger 6 protocol (new smilies).
you can get the tar.gz file . just extract it and run the prog bij clicking amsn or create a link to that file.
for speech-feature you can use gnomemeeting www.gnomemeeting.org
, which can talk to netmeeting.
netmeeting can be called in wincrap bij typing callto:// at the run field.