Sinch Status

Completed - The scheduled maintenance has been completed.
Apr 13, 12:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 13, 03:00 UTC

Scheduled - T-Mobile USA has scheduled a maintenance.

Maintenance start time: 2026-04-13 03:00 UTC
Maintenance end time: 2026-04-13 12:00 UTC

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Apr 10, 09:47 UTC

External Maintenance - SMS and MMS

Completed - The scheduled maintenance has been completed.
Apr 13, 10:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 13, 04:00 UTC

Scheduled - An external supplier has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada

Impact MMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States

Maintenance Start Time: 2026-04-13 04:00 UTC
Maintenance End Time: 2026-04-13 10:00 UTC
Mar 23, 21:07 UTC

DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR | TT#MNOC-63843

Completed - The scheduled maintenance has been completed.
Apr 13, 09:30 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 13, 08:30 UTC

Scheduled - Application maintenance
Apr 13, 08:17 UTC

Apr 12, 2026

Delivery Issue Costa Rica - Telefonica Costa Rica

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-12 01:55 UTC
Incident End Time: 2026-04-12 06:18 UTC
Apr 12, 06:41 UTC

Update - We are continuing to investigate this issue.
Apr 12, 05:03 UTC

Investigating - We are currently observing delivery issues in Costa Rica - Telefonica Costa Rica

Incident Start Time: 2026-04-12 01:55 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 12, 03:24 UTC

Sinch Contact Pro - (SBC) Session Border Controller upgrade - NA

Completed - The scheduled maintenance has been completed.
Apr 12, 06:10 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 12, 06:00 UTC

Scheduled - Dear Customer,

We will be performing Sinch Contact Pro, Session Border Controller (SBC) upgrade as follows.

Start time: 2026-4-12 (Sunday) 6:00 AM UTC
End time: 2026-4-12 (Sunday) 6:10 AM UTC

Upgrading the Session Border Controller (SBC) will cause max. 10 min service break to the voice channel.

For more details or questions related to the maintenance you can contact us via a support ticket:
https://sinchenterprise.atlassian.net/servicedesk/customer/portal/1181

Best Regards,
Sinch Contact Pro team
Apr 2, 09:11 UTC

Apr 11, 2026

Delivery Issue Colombia - Tigo

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-11 18:07 UTC
Incident End Time: 2026-04-11 18:48 UTC
Apr 11, 19:38 UTC

Investigating - We are currently observing delivery issues in Colombia - Tigo

Incident Start Time: 2026-04-11 18:07 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 11, 18:33 UTC

Delivery Issue Brazil - Algar Telecom

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-10 04:00 UTC
Incident End Time: 2026-04-10 23:00 UTC
Apr 11, 02:26 UTC

Update - We are continuing to investigate this issue.
Apr 10, 21:58 UTC

Update - We are continuing to investigate this issue.
Apr 10, 18:13 UTC

Investigating - We are currently observing delivery issues towards Brazil - Algar Telecom

Incident Start Time: 2026-04-10 04:00 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information
Apr 10, 14:42 UTC

Apr 10, 2026

Resolved - This incident has been resolved.
Apr 10, 16:03 UTC

Investigating - Ticket Number :: MNOC-63843
Services:: DI SMS 365 (iSMS)

Description ::
Our internal monitoring has alerted to an incident. Few of our customers connected to iSMS platform may observe potential delay in delivery of messages.

Impact ::
Mobile Terminating (MT) Traffic: Potential Delay in delivery
Mobile Originated (MO) Traffic: Potential Delay in delivery
DR Notification : Potential Delay in delivery
Report Manager Access : Not Impacted
Report Manager Statistics : Not Impacted

Incident Start Date & Time (GMT) : Fri Apr 10 12:06 GMT 2026

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.
Apr 10, 14:26 UTC

Completed - The scheduled maintenance has been completed.
Apr 10, 11:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 10, 03:00 UTC

Scheduled - T-Mobile USA has scheduled a maintenance.

Maintenance start time: 2026-04-10 03:00 UTC
Maintenance end time: 2026-04-10 11:00 UTC

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Apr 7, 23:19 UTC

Apr 9, 2026

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-09 22:02 UTC

Incident End Time: 2026-04-09 23:25 UTC
Apr 9, 23:52 UTC

Investigating - We are currently observing delivery issues in Mexico - AT&T

Incident Start Time: 2026-04-09 22:02 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 9, 22:38 UTC

Completed - The scheduled maintenance has been completed.
Apr 9, 13:31 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 9, 13:01 UTC

Scheduled - Update in Whatsapp template manager
Apr 9, 08:32 UTC

Sinch Scheduled Maintenance - Elastic SIP Trunking - routing servers

Completed - The scheduled maintenance has been completed.
Apr 9, 13:30 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 9, 13:00 UTC

Update - We will be undergoing scheduled maintenance during this time.
Apr 3, 20:27 UTC

Scheduled - Please be advised that the scheduled maintenance is now scheduled for April 9, 2026.
----------

Sinch Elastic SIP Trunking will be deploying an update to resolve minor bugs with our routing servers. The scheduled work is not expected to impact services. This is being sent as a courtesy notice in the event that you experience issues with your service during the maintenance.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly. Please contact support@sinch.com should you require further information or assistance.
Apr 9, 13:00 UTC

Sinch Scheduled Maintenance - Elastic SIP Trunking - call policy updates

Completed - The scheduled maintenance has been completed.
Apr 9, 11:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 9, 03:00 UTC

Scheduled - T-Mobile USA has scheduled a maintenance.

Maintenance start time: 2026-04-09 03:00 UTC
Maintenance end time: 2026-04-09 11:00 UTC

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Apr 7, 23:26 UTC

External Maintenance - US Cellular - United states

Completed - The scheduled maintenance has been completed.
Apr 9, 10:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 9, 05:00 UTC

Scheduled - US Cellular - United states has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed messages MT/MO traffic towards the United States

Maintenance start time: 2026-04-09 05:00 UTC
Maintenance end time: 2026-04-09 10:00 UTC
Mar 31, 18:39 UTC

Apr 8, 2026

Service Degradation – Verification – Global

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-08 13:00 UTC
Incident End Time: 2026-04-08 15:22 UTC
Apr 8, 15:42 UTC

Investigating - We want to inform you that we are currently experiencing a performance degradation impacting our OKTA Verification service globally.

Incident Start Time: 2026-04-08 13:00 UTC

Impact: Customers may experience delayed or failed verification attempts via the Okta endpoint.

We sincerely apologize for any inconvenience this may cause and appreciate your understanding while we work to resolve the issue.

For further information or assistance, please contact us at support@sinch.com.
Apr 8, 15:18 UTC

Completed - The scheduled maintenance has been completed.
Apr 8, 14:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 8, 13:00 UTC

Scheduled - Sinch Elastic SIP Trunking will be deploying a software update to add additional features and functionality. The scheduled work is not expected to impact services. This is being sent as a courtesy notice in the event that you experience issues with your service during the maintenance window.

If for any reason the maintenance is extended or cancelled, we will advise you accordingly. Please contact support@sinch.com if you require further information or assistance.

For information about our product enhancements, we encourage you subscribe to our Elastic SIP Trunking Release Notes posted in the Sinch Community at: https://community.sinch.com/
Apr 3, 20:38 UTC

Completed - The scheduled maintenance has been completed.
Apr 8, 13:01 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 8, 12:30 UTC

Scheduled - Technical update on SFTP Connectors (France)
Apr 8, 12:10 UTC

Completed - The scheduled maintenance has been completed.
Apr 8, 12:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 8, 02:00 UTC

Scheduled - T-Mobile USA has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-04-08 02:00 UTC
Maintenance end time: 2026-04-08 12:00 UTC
Apr 6, 19:11 UTC

Delivery Issue Spain - DigiMobile

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-08 07:52 UTC
Incident End Time: 2026-04-08 10:30 UTC
Apr 8, 11:16 UTC

Investigating - We are currently observing delivery issues in Spain - DigiMobile

Incident Start Time: 2026-04-08 07:52 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 8, 09:34 UTC

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-08 07:23 UTC
Incident End Time: 2026-04-08 10:48 UTC
Apr 8, 11:07 UTC

Update - We are continuing to investigate this issue.
Apr 8, 10:24 UTC

Investigating - We are currently observing delivery issues in Mexico - AT&T

Incident Start Time: 2026-04-08 07:23 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 8, 08:29 UTC

Service Disruption Notice – US Test Short Code 10907

Resolved - This incident has been resolved.

Any future use of the test shortcode requires Compliance approval and completion of the updated agreement and terms.
Apr 8, 04:37 UTC

Update - We are continuing to investigate this issue.
Apr 6, 10:02 UTC

Update - We are continuing to investigate this issue.
Apr 5, 09:20 UTC

Update - We are continuing to investigate this issue.
Apr 3, 14:33 UTC

Update - We are continuing to investigate this issue.
Apr 2, 07:13 UTC

Update - We are continuing to investigate this issue.
Apr 1, 06:46 UTC

Update - We are continuing to investigate this issue.
Mar 31, 05:38 UTC

Update - We are continuing to investigate this issue.
Mar 29, 20:19 UTC

Update - We are continuing to investigate this issue.
Mar 28, 19:02 UTC

Update - We are continuing to investigate this issue.
Mar 27, 18:27 UTC

Update - We are continuing to investigate this issue.
Mar 26, 17:35 UTC

Update - We are continuing to investigate this issue.
Mar 25, 14:10 UTC

Update - We are continuing to investigate this issue.
Mar 25, 05:11 UTC

Update - We are continuing to investigate this issue.
Mar 25, 00:33 UTC

Update - We are continuing to investigate this issue.
Mar 24, 21:58 UTC

Investigating - Dear Client,

We are currently investigating an issue affecting message delivery for US Test Short Code 10907. If you are experiencing impact, please be assured that our team is actively working to resolve the issue and restore normal service as quickly as possible.

Incident Start Time: 2026-03-23 23:29 UTC
Impact: Failed MT and MO messages associated with Short Code 10907

We will provide updates as additional information becomes available.
If you have any questions, please contact our support team at support@sinch.com

Sincerely,
Sinch Support Team
Mar 24, 17:01 UTC

Apr 7, 2026

Sinch Scheduled Maintenance - Voice Services - SIP Trunking

Completed - The scheduled maintenance has been completed.
Apr 7, 20:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 19:00 UTC

Scheduled - Sinch will be deploying performing a software update to improve the voice calling experience. The change work will be performed on Europe: euc1.vp.sip.sinch.com. The scheduled work is not expected to impact services. This is being sent as a courtesy notice in the event that you experience issues with your service during the maintenance window.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact support@sinch.com for further information.
Mar 30, 21:32 UTC

Sinch Maintenance - Singapore MO migration

Completed - The scheduled maintenance has been completed.
Apr 7, 14:30 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 14:00 UTC

Scheduled - Dear Client,

We are reaching out to inform you that we will perform a planned maintenance on our MO back-end, as part of our continuous efforts to create better resilience and future proof our systems.

Start Time: 2026-04-07 14:00
End Time: 2026-04-07 14:30

Impact: Clients may experience slight delays up to 5 minutes for MOs from Singapore numbers

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly. Please contact support@sinch.com should you require further information or assistance.
Mar 23, 14:31 UTC

Sinch Contact Pro - Test tenant upgrade

Completed - The scheduled maintenance has been completed.
Apr 7, 14:01 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 06:00 UTC

Scheduled - Dear Customer

This notification is related to Contact Pro test tenant maintenance.
If you currently do not have a test tenant, please ignore this message.

We will be upgrading all customer test tenants to the newest release 26Q2 on Tuesday 7th of April.
During the day, there will be approximately 30 minutes service break for your test tenant.
Tenants will be ready for your testing on Wednesday 8th of April at 06:00 UTC.

Production tenants will be upgraded on April 25-26th.

What´s new documentation regarding the upcoming 26Q2 release is available at:
https://docs.cc.sinch.com/cloud/whats-new/en/index.html

For more details or questions related to the maintenance you can contact us via a support ticket:
https://sinchenterprise.atlassian.net/servicedesk/customer/portal/1181

Best Regards,
Sinch Contact Pro team
Mar 31, 11:30 UTC

Sinch Maintenance - US 10DLC

Completed - The scheduled maintenance has been completed.
Apr 7, 11:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 10:00 UTC

Scheduled - Dear Client,

Sinch will be performing a scheduled maintenance on our 10DLC Product at the times specified below.

As part of this update, clients may see a delays or failures during delivery from 10DLC Numbers sending to US Devices.

Start Time: 2026-04-07 10:00 UTC
End Time: 2026-04-07 11:00 UTC

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.
Mar 19, 15:43 UTC

Sinch Internal Maintenance - SSL Certificate Update

Completed - The scheduled maintenance has been completed.
Apr 7, 03:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 7, 01:00 UTC

Scheduled - Dear Client,

Sinch will be performing a scheduled maintenance to renew the SSL certificate for the callback.sinch.com Certificate

Type: Scheduled Maintenance
Maintenance: SSL Certificate Updates
Start Time: 01:00 UTC
End Time: 03:00 UTC
Impact: Customers using callback.sinch.com for mTLS

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.

Download the certificate files here for callback.sinch.com
https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgDu5APEHt5UTJw8PjBgpvvXAcJ6hJaffaMmPjlvvKOJrzk

Please contact support@sinch.com should you require further information or assistance.

Sincerely,
Sinch
Feb 18, 20:27 UTC

DI SMS 365 (iSMS) | Operator Services | Delay in delivery | MNOC-63780

Resolved - This issue has been resolved. We will monitor further.
Apr 7, 02:49 UTC

Investigating - Ticket Number :: MNOC-63780
Services:: DI SMS 365 (iSMS)

Description ::
Our internal monitoring has alerted to an incident. Few of our customers connected to iSMS platform may observe potential delay in delivery of messages.

Impact ::
Mobile Terminating (MT) Traffic: Potential Delay in delivery
Mobile Originated (MO) Traffic: Potential Delay in delivery
DR Notification : Potential Delay in delivery
Report Manager Access : Not Impacted
Report Manager Statistics : Not Impacted

Incident Start Date & Time (GMT) : Tue 07th April 01:50 GMT 2026

If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.
Apr 7, 02:25 UTC

Apr 6, 2026

External Maintenance - T-Mobile United States

Completed - The scheduled maintenance has been completed.
Apr 6, 12:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 6, 02:00 UTC

Scheduled - T-Mobile USA has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-04-06 02:00 UTC
Maintenance end time: 2026-04-06 12:00 UTC
Apr 3, 06:29 UTC

Apr 5, 2026

Apr 4, 2026

Delivery Issue Philippines - Globe Telecom

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-03 18:41 UTC
Incident End Time: 2026-04-04 00:33 UTC
Apr 4, 00:52 UTC

Update - We are continuing to investigate this issue.
Apr 3, 22:14 UTC

Investigating - We are currently observing delivery issues in Philippines - Globe Telecom

Incident Start Time: 2026-04-03 18:41 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 3, 20:43 UTC

Apr 3, 2026

External Maintenance - United States - Verizon

Completed - The scheduled maintenance has been completed.
Apr 3, 14:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 3, 08:00 UTC

Scheduled - United States - Verizon has scheduled a maintenance.
Impact: SMS Long Code, SMS Short Code & SMS Toll-Free.

Maintenance start time: 2026-04-03 08:00 UTC
Maintenance end time: 2026-04-03 14:00 UTC
Mar 18, 13:26 UTC

Completed - The scheduled maintenance has been completed.
Apr 3, 10:01 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 3, 09:31 UTC

Scheduled - Internal changes
Apr 3, 09:12 UTC

Apr 2, 2026

Delivery Issue France - Orange

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-02 10:08 UTC
Incident End Time: 2026-04-02 12:35 UTC
Apr 2, 12:47 UTC

Investigating - We are currently observing delivery issues in France - Orange

Incident Start Time: 2026-04-02 10:08 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 2, 10:19 UTC

External Maintenance - T-Mobile - United States

Completed - The scheduled maintenance has been completed.
Apr 2, 12:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 2, 02:00 UTC

Scheduled - T-Mobile United States has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-04-02 02:00 UTC
Maintenance end time: 2026-04-02 12:00 UTC
Mar 31, 16:23 UTC

Sinch Internal Maintenance - MMS

Completed - The scheduled maintenance has been completed.
Apr 2, 11:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 2, 08:00 UTC

Scheduled - We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on MMS platform at the times specified below.

Type: Maintenance - MMS
Start Time: 2026-04-02 08:00 UTC
End Time: 2026-04-02 11:00 UTC

Impact MMS: MMS US, MMS AU, MMS CA. Messages will be Queued and will be processed post upgrade. We expect intermittent delays during the maintenance window.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly.

Please contact support@sinch.com should you require further information or assistance.
Mar 19, 15:48 UTC

Completed - The scheduled maintenance has been completed.
Apr 2, 10:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 2, 09:00 UTC

Scheduled - - Technical changes
Apr 2, 08:10 UTC

Delivery Issue Brazil - Claro

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-01 13:30 UTC
Incident End Time: 2026-04-02 01:55 UTC
Apr 2, 02:16 UTC

Update - We are continuing to investigate this issue.
Apr 1, 19:11 UTC

Update - We are continuing to investigate this issue.
Apr 1, 16:09 UTC

Investigating - We are currently observing delivery issues in Delivery Issue Brazil - Claro

Incident Start Time: 2026-04-01 13:30 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Apr 1, 14:35 UTC

Apr 1, 2026

External Maintenance - Singapore - MobileOne

Completed - The scheduled maintenance has been completed.
Apr 1, 21:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 18:00 UTC

Scheduled - Singapore MobileOne has scheduled a maintenance.

Maintenance Start Time: 2026-04-01 18:00 UTC
Maintenance End Time: 2026-04-01 21:00 UTC
Mar 30, 13:42 UTC

Completed - The scheduled maintenance has been completed.
Apr 1, 13:30 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 12:30 UTC

Scheduled - New RCS action : add to calendar!
Apr 1, 11:57 UTC

Service Outage - Sinch Engage Classic

Resolved - This incident has been resolved.

Incident Start Time: 2026-04-01 09:36 UTC
Incident End Time: 2026-04-01 11:06 UTC
Apr 1, 11:46 UTC

Monitoring - A fix has been implemented and we are monitoring the results.
Apr 1, 11:14 UTC

Investigating - We are currently experiencing a complete outage of the Sinch Engage Classic system.

The service is not accessible at this time. Our teams are actively investigating the issue and working to restore functionality as quickly as possible.

We will provide further updates as more information becomes available.
Apr 1, 10:55 UTC

Completed - The scheduled maintenance has been completed.
Apr 1, 08:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 1, 07:05 UTC

Scheduled - Add an automatic stop phrase to your RCS configuration! Reach out to your account manager to set it up.
Apr 1, 07:03 UTC

Mar 31, 2026

Completed - The scheduled maintenance has been completed.
Mar 31, 14:01 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 13:31 UTC

Scheduled - Internal updates on monitoring
Mar 31, 13:08 UTC

Completed - The scheduled maintenance has been completed.
Mar 31, 12:30 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 12:01 UTC

Scheduled - Internal update
Mar 31, 09:13 UTC

External Maintenance - T-Mobile - United States

Completed - The scheduled maintenance has been completed.
Mar 31, 12:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 02:00 UTC

Scheduled - T-Mobile United States has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2026-03-31 02:00 UTC
Maintenance end time: 2026-03-31 12:00 UTC
Mar 27, 19:46 UTC

Delivery Issue Chile - Claro

Resolved - This incident has been resolved

Incident Start Time: 2026-03-31 06:57 UTC
Incident End TIme: 2026-03-31 09:16 UTC
Mar 31, 10:19 UTC

Monitoring - Traffic has been restored towards this destination. We are currently seeing no issues but will keep close monitoring on the issue.
Mar 31, 09:49 UTC

Investigating - We are currently observing delivery issues in Chile - Claro

Incident Start Time: 2026-03-31 06:57 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Mar 31, 09:21 UTC

Delivery Issue US & CA - Minor Networks

Resolved - This incident has been resolved.

Incident Start Time: 2026-03-31 09:07 UTC
Incident End Time: 2026-03-31 09:54 UTC
Mar 31, 10:19 UTC

Investigating - We are currently observing delivery issues in US & CA - Minor networks.

Incident Start Time: 2026-03-31 09:07 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Mar 31, 09:34 UTC

Resolved - This incident has been resolved.

Incident Start Time: 2026-03-31 07:46 UTC
Incident End Time: 2026-03-31 08:13 UTC
Mar 31, 09:44 UTC

Monitoring - A fix has been implemented and we are monitoring the results.
Mar 31, 08:44 UTC

Investigating - We are currently observing delivery issues in Mexico - AT&T

Incident Start Time: 2026-03-31 07:46 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Mar 31, 08:12 UTC

Completed - The scheduled maintenance has been completed.
Mar 31, 08:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 07:00 UTC

Scheduled - Internal dependencies upgrade
Mar 31, 06:49 UTC

Resolved - This incident has been resolved.

Incident Start Time: 2026-03-31 06:21 UTC
Incident End Time: 2026-03-31 06:46 UTC
Mar 31, 07:08 UTC

Investigating - We are currently observing delivery issues in Mexico - AT&T

Incident Start Time: 2026-03-31 06:21 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Mar 31, 06:37 UTC

External Maintenance - Ireland - 3

Completed - The scheduled maintenance has been completed.
Mar 31, 06:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 30, 21:00 UTC

Scheduled - 3 - Ireland has scheduled a maintenance.
Impact: Clients may experience delayed or failed MT/MO traffic towards 3 Ireland.

Maintenance start time: 2026-03-30 21:00 UTC
Maintenance end time: 2026-03-31 06:00 UTC
Mar 20, 18:35 UTC

Mar 30, 2026

External Maintenance - Singapore - MobileOne

Completed - The scheduled maintenance has been completed.
Mar 30, 21:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 30, 18:00 UTC

Scheduled - Singapore MobileOne has scheduled a maintenance.

Maintenance Start Time: 2026-03-30 18:00 UTC
Maintenance End Time: 2026-03-30 21:00 UTC
Mar 30, 13:39 UTC

Completed - The scheduled maintenance has been completed.
Mar 30, 17:00 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 30, 14:30 UTC

Scheduled - Campaigns Application Maintenance
Mar 30, 14:05 UTC