$user = Read-Host "Please enter the alias"
$sip="sip:" + $user + "@domain.com"
 
 
get-qaduser $user | set-qaduser -oa @{
'msRTCSIP-UserEnabled'=$true
'msRTCSIP-PrimaryUserAddress'=$sip
'msRTCSIP-PrimaryHomeServer'="CN=LC Services,CN=Microsoft,CN=Epool,CN=Pools,CN=RTC Service,CN=Microsoft,CN=System,DC=domain,DC=com"
}