CmdID

CmdID / PowerShell / Cmdlets / Set

Set-CsOnlinePstnUsage

Modifies a set of strings that identify the allowed online public switched telephone network (PSTN) usages. Microsoft Teams PowerShell reference

From the Microsoft Teams PowerShell reference 4 parameters Its page in the reference

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Parameters

4 in the Microsoft Teams PowerShell reference
-Confirm, -cfPrompts you for confirmation before running the cmdlet.
-IdentityThe scope at which these settings are applied.
-UsageContains a list of allowable usage strings.
-WhatIf, -wiShows what would happen if the cmdlet runs.