Default M365 Tenant Onboarding Script

# Begin of Microsoft onboarding script
# Add PSTN Usage record Unrestricted if not exists

if(Get-CsOnlinePstnUsage | Where-Object Usage -NotContains "Unrestricted") 
    {
        Set-CsOnlinePstnUsage -Identity Global -Usage @{Add="Unrestricted"};
    }

# Add Online Voice Route Unrestricted if not exists, else add additional PSTN Gateway to the OnlinePstnGatewayList if there is a new PSTN Gateway

if(Get-CsOnlineVoiceRoute | Where-Object {$_.Identity -eq "Unrestricted"})
    {
        Write-host "The CsOnlineVoiceRoute named Unrestricted already exists."
        if(Get-CsOnlineVoiceRoute -Identity "Unrestricted" | Where-Object {$_.OnlinePstnGatewayList -NotContains "{{SBC.OnlinePstnGateway}}"})
        {
            Write-host "A new PSTN Gateway is added to the the OnlinePstnGatewayList."
            Set-CsOnlineVoiceRoute -Identity "Unrestricted" -OnlinePstnGatewayList  @{add="{{SBC.OnlinePstnGateway}}"}
        }
    }else {
        Write-host "The CsOnlineVoiceRoute named Unrestricted does not exist, creating one."
        New-CsOnlineVoiceRoute -Identity "Unrestricted" -NumberPattern ".*" -OnlinePstnGatewayList @{add="{{SBC.OnlinePstnGateway}}"} -Priority 1 -OnlinePstnUsages @{add="Unrestricted"};
    }


# Add Voice Routing Policy Unrestricted if not exists

if(Get-CsOnlineVoiceRoutingPolicy | Where-Object {$_.Identity -like "Tag:Unrestricted"})
    {
        continue
    }else {
        New-CsOnlineVoiceRoutingPolicy -Identity "Unrestricted" -OnlinePstnUsages "Unrestricted";
    }

# End of M365 onboarding script;