All systems are operational
Scheduled Maintenance
[SEWAN] Technical maintenance - 17.11.2025

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

[SEWAN] Technical maintenance - 19.11.2025

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

[SEWAN] Technical maintenance - 21.11.2025

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

[SEWAN] Technical maintenance - 26.11.2025 - 28.11.2025

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

Past Incidents

Sunday 31st August 2025

[SEWAN] Technical maintenance - 30.08.2025, scheduled 2 months ago

Beginning: 30.08.2025 – 11.00 PM

Ending: 31.08.2025 – 11.00 AM

 

Impact: interruption on Hosted Telephony and Firewall

 

Dear customer, dear partner,

 

To optimize the performance of our infrastructure, we will be carrying out a maintenance operation.

During this timeframe some impacte are expected :

Sophia hosted telephony : Unavailability or difficulty making and receiving calls for a few minutes

Firewall and Cloud Data Center : Unavailability for a few minutes during switch-over

 

No intervention is needed from your side.

 

 

Best regards;

 

 

SEWAN Technical Team

Tuesday 26th August 2025

[SEWAN] Technical maintenance - 26.08.2025, scheduled 2 months ago

Beginning: 26.08.2025 – 11.00 PM

Ending: 27.08.2025 – 05.00 AM

 

Impact: interruption on Hosted Telephony.

 

Dear customer, dear partner,

 

To optimize the performance of our infrastructure, we will be carrying out a maintenance operation.

During this timeframe, short call cuts are expected.

 

No intervention is needed from your side.

 

 

Best regards;

 

 

SEWAN Technical Team

Friday 22nd August 2025

[SEWAN] Technical maintenance - 22.08.2025, scheduled 2 months ago

Beginning: 22.08.2025 – 11.00 PM

Ending: 23.08.2025 – 03.00 AM

 

Impact: interruption on Sophia Trunk and Hosted Telephony.

 

Dear customer, dear partner,

 

To optimize the performance of our infrastructure, we will be carrying out a maintenance operation.

During this timeframe, a call cut is expected.

 

No intervention is needed from your side.

 

 

Best regards;

 

 

SEWAN Technical Team

Thursday 21st August 2025

No incidents reported

Wednesday 20th August 2025

[SEWAN] Technical maintenance - 20.08.2025, scheduled 2 months ago

Beginning: 20.08.2025 – 11.00 PM

Ending: 21.08.2025 – 02.00 AM

 

Impact: interruption on Sophia Trunk and Hosted Telephony.

 

Dear customer, dear partner,

 

To optimize the performance of our infrastructure, we will be carrying out a maintenance operation.

During this timeframe, several interruptions in communications of 15 minutes are to be expected.

 

No intervention is needed from your side.

 

 

Best regards;

 

 

SEWAN Technical Team

[SEWAN] Technical maintenance - 18.08.2025, scheduled 2 months ago

Beginning: 18.08.2025 – 11.00 PM

Ending: 20.08.2025 – 03.00 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 all firewall clusters.

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

Tuesday 19th August 2025

No incidents reported

Monday 18th August 2025

No incidents reported

Sunday 17th August 2025

No incidents reported

Saturday 16th August 2025

No incidents reported

Friday 15th August 2025

No incidents reported

Thursday 14th August 2025

No incidents reported

Wednesday 13th August 2025

No incidents reported

Tuesday 12th August 2025

General communicate service [SEWAN] Unexpected disturbances - 12.08.2025

Beginning: 12.08.2025

Impact: COLT porting services and eligibility are currently unavailable

 

Dear customer, dear partner,

 

We would like to inform you that an incident has been affecting COLT since 12.08.2025. As a result, number porting operations and and FTTO eligibility are temporarily unavailable.

 

We have contacted COLT to receive updated information, but are still waiting for their feedback. Consecutively, please do not try to launch porting request from COLT, as they will probably be rejected or not handled.

 

We will keep you updated as soon as new information is available.

 

Best regards; SEWAN technical team

Monday 11th August 2025

No incidents reported

Sunday 10th August 2025

No incidents reported

Saturday 9th August 2025

No incidents reported

Friday 8th August 2025

No incidents reported