Hello! 

I develop iOS app, which will have possibility to launch Lync app by scheme. MS Lync app requires authentication. So, my question is: is it possible to send login/pass through the scheme to make "silent login" (auto-login)? 

For the development issue of Lync, you should post your question in the following forum.

http://social.msdn.microsoft.com/Forums/lync/en-US/home?forum=communicatorsdk