CmdID / PowerShell / Cmdlets / Enable
Enable-CsOnlineSipDomain
This cmdlet enables provisioning of users in Skype for Business Online for the specified domain. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 3 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-DomainThe SIP domain to be enabled for online provisioning in Skype for Business Online.-ForceSuppresses all confirmation prompts that might occur when running the command.