CmdID / PowerShell / Cmdlets / Get
Get-CsHybridTelephoneNumber
This cmdlet displays information about one or more hybrid telephone numbers. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 8 parameters Its page in the reference
Parameters
-Break-HttpPipelineAppend-HttpPipelinePrepend-InputObjectThe identity parameter.-Proxy-ProxyCredential-ProxyUseDefaultCredentials-TelephoneNumberFilters the returned results to a specific phone number.