It can also be done trough PowerShell, etc.:
New-Mailbox -Name <Room Name> -Room
Set-CalendarProcessing <Room Name> -AutomateProcessing AutoAccept -AddOrganizerToSubject $true -DeleteComments $false -DeleteSubject $false
It can also be done trough PowerShell, etc.:
New-Mailbox -Name <Room Name> -Room
Set-CalendarProcessing <Room Name> -AutomateProcessing AutoAccept -AddOrganizerToSubject $true -DeleteComments $false -DeleteSubject $false