Beginning: 17.11.2025 – 11.30 PM

Ending: 18.11.2025 – 02.30 AM

Impact: switchover on Sophia Voip plateform

Dear customer, dear partner,

We would like to inform you that a scheduled maintenance will take place on our Voice infrastructure (Sophia).

During this maintenance window, a short interruption of communications is expected.

We apologize for any inconvenience this may cause and thank you for your understanding.

No intervention is needed from your side.

Best regards;

SEWAN Technical Team

Beginning: 19.11.2025 – 10.00 PM

Ending: 20.11.2025 – 01.00 AM

Impact: Few packet loss and SSL-VPN disconnection while switchover.

Dear Customer, Dear Partner,

Please be informed that our technical team will perform maintenance on firewall cluster 6.

During the two scheduled nights, you may experience brief packet loss and temporary SSL-VPN disconnections during the switchover.

No action is required on your side.

Thank you for your understanding.

Best regards;

SEWAN Technical Team

Beginning: 21.11.2025 – 00.00 AM

Ending: 21.11.2025 – 05.00 AM

Impact: none

Dear customer, dear partner,

EUROFIBER will perform a maintenance on our NNI at Leuven.

No impact is expected

No intervention is needed from your side.

Best regards;

SEWAN Technical Team

Beginning: 26.11.2025 – 10.00 PM

Ending: 28.11.2025 – 06.00 AM

Impact: max 1h of interruption

Dear customer, dear partner,

Eurofiber will perform a large-scale network software update that will improve the performance and future proofing of our network.

Your connection will be interrupted only one time, for 1 hour during this upgrade. If you have a redundant connection, they will ensure that it is not down at the same time as the primary one.

No intervention is needed from your side.

Best regards;

SEWAN Technical Team