CmdID / PowerShell / Cmdlets / Set
Set-CsTeamsGuestCallingConfiguration
Allows admins to set values in the GuestCallingConfiguration, which specifies what options guest users have for calling within Teams. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 7 parameters Its page in the reference
Parameters
-AllowPrivateCallingDesignates whether guests who have been enabled for Teams can use calling functionality.-Confirm, -cfPrompts you for confirmation before running the cmdlet.-ForceBypass confirmation-IdentityThe only option is Global-InstanceInternal Microsoft use-TenantInternal Microsoft use-WhatIf, -wiShows what would happen if the cmdlet runs.