Find number of Lync Plus licenses needed in powershell

(Get-CsUser -OnLyncServer -Filter {lineURI -ne $Null}).count

(Get-CsUser -OnLyncServer -Filter {EnterpriseVoiceEnabled -eq $true}).count

(Get-CsUser -OnLyncServer -Filter {lineURI -ne $Null -and RegistrarPool -eq "fe.contoso.com"}).count

Do not forget about this method:

http://technet.microsoft.com/en-us/library/jj204853.aspx


There also a beta powershell that counts using monitoring db

http://www.msxfaq.de/lync/betrieb/lynccalkontrolle.htm