Looking for logging into the Lync Sign Up site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Lync Sign Up site. After that you can login as usual with your login credentials.
https://support.office.com/en-us/article/sign-in-to-and-out-of-lync-61867078-d794-428a-9b92-25767476163e
https://social.technet.microsoft.com/Forums/ie/en-US/6ac05314-9f16-4cfa-9c7c-68db2e1c08c7/how-do-i-create-a-personal-lync-account?forum=ocsmanagement
https://docs.microsoft.com/de-de/skypeforbusiness/set-up-skype-for-business-online/set-up-skype-for-business-online
https://www.skype.com/de/business/
http://help.utk.edu/kb/index2.php?func=show&e=2459
http://kb.mcgill.ca/KB/article/2-7392.html
http://kb.mcgill.ca/KB/article/2-3730.html
https://lynccycling.zingfit.com/reserve/index.cfm?action=Account.new
http://www.micromail.com/microsoft-office-365--o365-/ms0025pd.html
https://www.theregister.co.uk/2013/05/30/microsoft_links_skype_to_lync/
https://www.lynccycling.com/lync-up
https://blink.ucsd.edu/technology/file-sharing/skype/guests.html
https://skill-lync.com/login?requestingURL=http://skill-lync.com/cart/