CmdID / PowerShell / Cmdlets / Grant
Grant-CsDialoutPolicy
Use the Grant-CsDialoutPolicy cmdlet to assign the tenant global or a per-user outbound calling restriction policy to one or more users. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 6 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-GlobalThis parameter sets the tenant global policy instance.-IdentitySpecifies the Identity of the user account to be to be modified.-PassThruReturns the results of the command.-PolicyName"Name" of the policy to be assigned.-WhatIf, -wiShows what would happen if the cmdlet runs.