http://blog.enowsoftware.com/solutions-engine/using-custom-policies-with-skype-for-business-online?utm_campaign=ESE%203.9.17&utm_source=hs_email&utm_medium=email&utm_content=44186616&_hsenc=p2ANqtz-8N3HE-eH0n46GrgV6Ow54wE5gNLJgm-LNtgQsnmG4T80ytWdDFeVbtKySL_Yf6D-dkPLTmzWl3xYs-GUmVYVrozB9ZYA&_hsmi=44186616