Thanks for all your help and pointers. And sorry for being absent after your suggestion. I tried, but neither of the rpms gave me voice inside kopete. Then I waited for kopete in latest KDE (Suse), but it does not have voice either.
I started this quest of trying to find a chat-like application that I could use on Linux, and be able to communicate, voice+webcam, with someone on Windows (MSN, Skype, anything, I did not care).
After research and trying, I have to conclude (to the best of my abilities) there is no combination of Linux voice+webcam application working with Windows voice+webcam that works.
Thanks for your help, I really appreciate it, and I will keep trying
Milan