Service OPERATIONAL Now December 3, 2021 GTI AM Post in Latest Blog Info: Planned Maintenance: GTI Global Mobile Core Network Upgrade (END Notification) Product: Mobile Service (US and UK) ALL services and provisioning are OPERATIONAL now. Details: Please be aware that we will be performing a maintenance activity in preparation for new capability deployments. The activity will consist of multiple nodal upgrades which include our UC-Link enablement nodes as well as our provisioning network elements. Start: 3rd Dec 2021 04:00 UTC Stop : 3rd Dec 2021 06:00 UTC Impact: A brief interruption of voice and SMS services (5-10 minutes) may be experienced during this window. Please note that provisioning services will be offline during this maintenance period.