can't retrieve trusted IP using powershell

[px091]

I am trying to get Trusted IP list. I run the powershell command Get-CsTenantTrustedIPAddress -Tenant xxxxxxxx-xxxx-xxxx-xxxxxxxx, but it returns nothing.

Anyone know what I am missing? 

Thanks in advance 

[#2]

Hello,

Did you run New-CsTenantTrustedIPAddress before that?

https://docs.microsoft.com/en-us/powershell/module/skype/new-cstenanttrustedipaddress?view=skype-ps

[#3]

Thanks Andres for your help.
No, This is a good point. I checked the trusted IPs using Azure portal Security -> Conditional Access -> Named locations ->Configure MFA trusted IPs. There is no trusted IPs listed there.

[#4]

Hello px091,

The cmdlet -CsTenantTrustedIPAddress is exclusive of Microsoft Teams.

From your message, it seems you are trying to configure MFA trusted IPs?

[#5]

I am trying to configure dynamic emergency calling.

Trusted IP addresses contain a collection of the internet external IP addresses of the enterprise network and are used to determine if the user's endpoint is inside the corporate network.

I need to get the list of trusted IPs, And enter those information into teams admin center->Location->Network toplogy->Trusted IPs

[#6 · Accepted solution]

Ok I think I understand better now
Essentially you need to define those Trusted IPs

You can find more information here https://docs.microsoft.com/en-us/microsoftteams/manage-your-network-topology

[#7]

Thank Andres for your help and information!