Emergency Maintenance: Mobile-X SBC Maintenance May 4, 2022 GTI AM Post in Latest Blog Service notice from GTI Global Networks : Support Desk. Info: Emergency Maintenance: Mobile-X SBC Maintenance Product: Mobile-X (US and UK) Details: We will be performing an emergency maintenance of our Mobile-X SBCs starting at 03:30 UTC until 05:00 UTC. We apologize for the late notice. A brief period of voice service interruption of up to 5 min may be experienced during this window. .