Please have your service address or circuit ID available (Please note you will need your account number available to make any changes to any services)
Verify if there is power to your building
Confirm if you can receive incoming calls (for voice services only)
Confirm if you can make outgoing calls (for voice services only)
Are you able to get online? (data services only)
When did the issue begin?
Have you had any recent infrastructure changes?
Have you contacted your Managed Service Provider/IT staff yet?