Beginning: 13.05.2026 – 10.00 PM
Ending: 13.05.2026 – 11.30 PM
Impact: CPE Reboot
Batch n°2
Dear customer, dear partner,
Please be informed that our technical team will perform the upgrade to version 7.20.8 on MikroTik HAPac2 devices in three batches.
During each batch window, the affected CPEs will reboot to complete the upgrade.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team
Beginning: 16.05.2026– 09.00 PM
Ending: 17.05.2026– 09.00 AM
Impact: Registrations and calls not available.
Dear customer, dear partner,
We would like to inform you that we will be performing maintenance operations on our voice platform.
During these migrations, you may experience temporary issues such as:
• Trunk registration problems
• Intermittent call issues or call failures
Our teams will work to minimize the impact and restore full service as quickly as possible.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team
Beginning: 18.05.2026 – 04.30 PM
Ending: 18.05.2026 – 06.30 PM
Impact: Backup and restore services interruption during maintenance window.
Dear customer, dear partner,
Please note that our technical team will perform a maintenance operation related to the migration of Veeam backup servers on the Hosting – Cloud Datacenter Sophia Go platform.
During this timeframe, backup and data restore operations will be temporarily suspended. As consequences, backup jobs and restore requests will not be available for the duration of the intervention.
Virtual machines and hosted services will remain fully operational.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team
Beginning: 18.05.2026 – 10.00 PM
Ending: 18.05.2026 – 11.30 PM
Impact: CPE Reboot
Batch n°3
Dear customer, dear partner,
Please be informed that our technical team will perform the upgrade to version 7.20.8 on MikroTik HAPac2 devices in three batches.
During each batch window, the affected CPEs will reboot to complete the upgrade.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team
Beginning: 23.05.2026– 09.00 PM
Ending: 24.05.2026– 09.00 AM
Impact: Registrations and calls not available.
Dear customer, dear partner,
We would like to inform you that we will be performing maintenance operations on our voice platform.
During these migrations, you may experience temporary issues such as:
• Trunk registration problems
• Intermittent call issues or call failures
Our teams will work to minimize the impact and restore full service as quickly as possible.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team
Beginning: 27.05.2026– 10.00 PM
Ending: 28.05.2026– 01.00 AM
Impact: brief packet loss may occur
Dear customer, dear partner,
We would like to inform you that we will be conducting redundancy tests on our xDSL/FTTH collection network.
During the maintenance window, brief packet loss may occur.
No intervention is needed from your side.
Best regards;
SEWAN Technical Team