CmdID / PowerShell / Cmdlets / Get
Get-CsOnlineVoiceRoute
Returns information about the online voice routes configured for use in your tenant. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 2 parameters Its page in the reference
Parameters
-FilterThis parameter filters the results of the Get operation based on the wildcard value passed to this parameter.-IdentityA string that uniquely identifies the voice route.