Lync_2010_Conferencing_Quick_Ref_Card.pdf - Quick Reference about conferencing
Lync_2010_Instant_Messaging_and_Presence_Quick_Ref_Card.pdfSkypeforBusinessQuickStartGuide-ContactsPresenceandIM.PDF - Quick Reference about instant messaging and presenceLync_2010_Sharing_and_Collaboration_Quick_Ref_Card
SkypeforBusinessQuickStartGuide-SharingandCollaboration.pdf - Quick Reference about sharing and collaborationLync_2010_Voice_and_Video_Quick_Ref_Card.pdf
SkypeforBusinessQuickStartGuide-Video.pdf - Quick Reference about starting a video call
SkypeforBusinessQuickStartGuide-AudioSetupandMakingCalls.pdf - Quick Reference about voice audio setup and videomaking calls
SkypeforBusinessQuickStartGuide-Meetings.pdf - Quick Reference about meeting/conferencing