The January 2017 client update for Lync 2013/SfB2015 includes a new registry key that allows Lync2013/SfB2015 Meeting Addin to create a meeting invite similar to the one in Lync 2010 client. For reference we need to look how Dial in Conferencing Numbers are configured: Get-CsDialInConferencingAccessNumber https://docs.microsoft.com/powershell/module/skype/Get-CsDialInConferencingAccessNumber Now, before any change, we can see that a meeting invite for … Continue reading Enable Lync 2010 Meeting Invite Template in Lync2013/SfB2015