All systems are operational
Scheduled Maintenance
[SEWAN] Technical maintenance - 23.10.2025

Beginning: 23.10.2025 – 11.00 PM

Ending: 24.10.2025 – 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 firewall clusters 3 and 4.

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 - 27.10.2025

Beginning: 27.10.2025 – 08.00 PM

Ending: 27.10.2025 – 11.30 PM

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 switchover will be performed. As a result, a short interruption of communications will occur starting at 08.00PM.

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 maintenance - 28.10.2025

Beginning: 28.10.2025 – 08.00 PM

Ending: 28.10.2025 – 11.30 PM

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 switchover will be performed. As a result, a short interruption of communications will occur starting at 08.00PM.

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 maintenance - 29.10.2025

Beginning: 29.10.2025 – 08.00 PM

Ending: 29.10.2025 – 11.30 PM

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 switchover will be performed. As a result, a short interruption of communications will occur starting at 08.00PM.

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 maintenance - 03.11.2025

Beginning: 03.11.2025 – 08.00 PM

Ending: 03.11.2025 – 11.30 PM

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 switchover will be performed. As a result, a short interruption of communications will occur starting at 08.00PM.

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 maintenance - 12.11.2025

Beginning: 12.11.2025 – 10.00 PM

Ending: 13.11.2025 – 01.00 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 switchover will be performed. As a result, a short interruption of communications will occur starting at 08.00PM.

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 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

Past Incidents

Monday 13th October 2025

[SEWAN] Technical maintenance - 13.10.2025, scheduled 1 week ago

Beginning: 13.10.2025 – 10.30 PM

Ending: 14.10.2025 – 02.30 AM

Impact: switchover on trunk (Sophia)

 

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 switchover will be performed. As a result, a short interruption of communications (a few seconds) will occur starting at 10.30PM.

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

Thursday 9th October 2025

[SEWAN] Technical maintenance - 09.10.2025, scheduled 1 week ago

Beginning: 09.10.2025 – 10.00 PM

Ending: 10.10.2025 – 00.00 AM

Impact: switchover on trunk (Sophia)

 

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 switchover will be performed. As a result, a short interruption of communications (a few seconds) will occur starting at 22:00.

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

Wednesday 8th October 2025

No incidents reported

Tuesday 7th October 2025

General communicate service [SEWAN] Unexpected disturbances - 07.10.2025

Beginning: 07.10.2025 – 07.00 AM Endding: 07.10.2025 - 09.45 AM

Impact: no audio calling toll-free numbers

 

Dear customer, dear partner,

 

We are currently experiencing audio issues when making calls to toll-free numbers. Our technical teams have identified the root cause and are actively working on a resolution.

We sincerely apologize for the inconvenience and appreciate your patience while we work to restore normal service as quickly as possible.

...............................

 

Best regards;

SEWAN technical team

Monday 6th October 2025

No incidents reported

Sunday 5th October 2025

No incidents reported

Saturday 4th October 2025

No incidents reported

Friday 3rd October 2025

No incidents reported

Thursday 2nd October 2025

No incidents reported

Wednesday 1st October 2025

[SEWAN] Technical maintenance - 01.10.2025, scheduled 3 weeks ago

Beginning: 01.10.2025 – 10.00 PM

Ending: 02.10.2025 – 02.00 AM

Impact: none

 

Dear customer, dear partner,

 

Scheduled maintenance will take place in our data center in Leuven. No service impact is expected during this period.

No intervention is needed from your side.

Best regards;

 

SEWAN Technical Team

[SEWAN] URGENT Technical maintenance - 01.10.2025, scheduled 3 weeks ago

Beginning: 01.10.2025 – 00.00 AM

Ending: 01.10.2025 – 03.00 AM

Internal ref: DTCAB-6254

Expected impact: service interruption of up to 5 minutes    

Dear Partner,

   

We would like to inform you of an urgent maintenance operation on our SBCNG platform.

This intervention is necessary to ensure the stability and reliability of our services. We will do our utmost to minimize the impact and complete the maintenance as quickly as possible.

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

Best regards;

 

SEWAN technical team

Mobile service [SEWAN] Unexpected disturbances - 01.10.2025

Beginning: 01.10.2025 – 08.00 AM Endding: 01.10.2025 - 10.30 AM

Impact: coverage/speed

Dear customer, dear partner,

We have received multiple complaints regarding coverage on mobile devices. A support ticket has been opened with Proximus, and we are currently awaiting further updates from their side.

We will provide additional information as soon as we receive feedback.

UPDATE :10.00 AM

Around 30 mobile sites (Orange-owned) are currently out of service, mainly located in East and West Flanders.Customers on the Proximus network are experiencing no coverage in the affected areas.

UPDATE :10.15 AM

All services have been fully restored, the situation is back to normal.

Best regards;

SEWAN technical team

Premium numbers [SEWAN] Unexpected disturbances - 01.10.2025

Beginning: 02.10.2025 – 04.00AM Endding: 02.10.2025- 3.30PM

Impact: Vas and toll free numbers partially not reachable

Dear customer, dear partner,

Since this morning, we have been experiencing a partial routing disruption affecting some of our Value Added Service (VAS) numbers, specifically 0800 / 078 / 090X.

The issue has been identified on the Proximus side and is currently being resolved. Our teams are closely monitoring the situation in collaboration with the operator to restore full service as quickly as possible.

This issue is not linked to our recent maintenance, which went well.

We will keep you updated on any further developments.

Best regards;

SEWAN technical team

Tuesday 30th September 2025

[SEWAN] Unexpected disturbances - 30.09.2025

Beginning: 30.09.2025 – 8.00 AM

Ending: 30.09.2025 – 09.30 AM

Impact: call setup delay

 

Dear Customers,

Earlier today, we experienced a temporary disruption affecting call setup delay.

The problem has been fully resolved and services are now operating normally. Our technical teams will implement corrective actions and continue to monitor the situation closely.

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

 

...............................

 

Best regards;

SEWAN technical team

Monday 29th September 2025

No incidents reported

Sunday 28th September 2025

No incidents reported

Saturday 27th September 2025

No incidents reported

Friday 26th September 2025

No incidents reported

Thursday 25th September 2025

[SEWAN] Unexpected disturbances - 25.09-2025

Beginning: 25.09.2025 – 10.30 AM

Ending: 25.09.2025 – 10.45 AM

Impact: voice issue

 

Dear Customers,

Earlier today, we experienced a temporary disruption affecting our Hosted Telephony service (Sophia). The issue lasted for approximately 15 minutes and may have caused call issues.

The problem has been fully resolved and services are now operating normally. Our technical teams have implemented corrective actions and continue to monitor the situation closely.

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

 

...............................

 

Best regards;

SEWAN technical team

Wednesday 24th September 2025

No incidents reported