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15.2%of 46 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
16%
25
21
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 23Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Services | Operator Services | Potential delay in delivery of MO, MT and DLR | TT#MNOC-65291 (MNOC-65292)
A fix has been implemented. Queues are depleting and delays should be mitigated. Technical teams are monitoring for service stability.
identified
A network issue was identified which could result in certain customers observing a potential delay in delivery. Technical resources are engaged and actively working on repair of the issue. Updates will continue to be provided.
identified
Ticket Number: MNOC-65291
Services: SMSx, MM4
Description:
Currently, we are observing queues related to MO, MT and DLR traffic within our SMSx/MM4
Few customers may observe a potential delay in delivery for MO, MT and DLR traffic.
Our technical teams are actively working to identify the root cause and implement a resolution as quickly as possible. We will continue to provide updates as more information becomes available. We appreciate your patience and understanding.
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: (remove if not applicable)
Report Manager Statistics : (remove if not applicable)
Incident Start Date & Time (GMT) : September 17, 06:45 UTC
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.
We are currently observing delivery issues in Paraguay - Tigo
Incident Start Time: 2026-09-16 03:44 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.
The issue has been identified and we are working with the operator to fix the issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Cambodia - Smart Axiata
Incident Start Time: 2026-09-15 16:13 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.
We are currently observing delivery issues in Bolivia - Tigo
Incident Start Time: 2026-09-12 20:53 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.
A fix has been implemented and we are monitoring the results.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Bouygues Telecom - France.
Incident Start Time: 2026-09-12 19:34 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.
SMPP - USRedhot XML (mBlox)SMPP - CAENUM USHTTP - USHTTP USSMS (Legacy Sinch)REST - US
identified
The issue has been identified and a fix is being implemented.
investigating
Dear Client,
We are currently experiencing a performance degradation on our US1 site.
To minimize impact, clients are advised to temporarily connect to the designated redundant site US7 for the duration of this issue.
Affected Site: US1
Recommended Redundant Site: US7
Incident Start Time: 2026-09-09 04:13 UTC
Our engineers are currently investigating and additional information will follow as it becomes available.
We are currently observing delivery issues in Italy - Poste Mobile
Incident Start Time: 2026-09-08 20:08 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.
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing delivery issues in Mexico - AT&T
Incident Start Time: 2026-09-07 23:56 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.
We are currently observing delivery issues in Romania.
Incident Start Time: 2026-09-07 14:17 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.
Legacy Incident Archive
218 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
August 2026
Delivery Issue Costa Rica - Telefonica
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Costa Rica - Telefonica
Incident Start Time: 2026-08-02 22:42 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.
July 2026
Delivery Issue Angola - Unitel
minorSource not attested
Last archived state: resolved
View archived record details
identified
The operator is continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
The operator is continuing to work on a fix for this issue.
identified
We are currently observing delivery issues in Angola - Unitel
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
The issue has been identified, the operator has confirmed an ongoing outage and is working to remediate the issue.
We will update as soon as we have more information.
If you have any questions, please contact support@sinch.com.
Sinch Engage - Inbox Degradation
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We have identified an issue affecting multiple accounts where incoming SMS, MMS and WhatsApp messages are received successfully but are not appearing in the Inbox. Messages remain visible in Detailed Reports (Received/Inbound).
Our team is actively investigating the issue.
Delivery Issue Angola - Africell
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Angola - Africell
Incident Start Time: 2026-07-30 17:59 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.
Delivery Issue Angola - Africell
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Angola - Africell
Incident Start Time: 2026-07-29 19:10 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.
Delivery Issue Italy - Fastweb
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently observing delivery issues in Italy - Fastweb
Incident Start Time: 2026-07-29 13:04 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.
Service Outage - Chatlayer Voice Engine - US, EMEA
criticalSource not attested
Last archived state: resolved
View archived record details
monitoring
The fix has now been implemented, The Chatlayer Voice service errors observed are no longer visible and we will continue to monitor the results.
Incident Restored Time: 2026-07-29 13:35 UTC
investigating
Our engineers are working on a potential fix for the issue.
We will provide an update once the potential fix has been implemented.
investigating
We are continuing to investigate this issue.
We have been able to isolate the start time to 2026-07-29 11:14 UTC
Our engineers are hard at work trying to resolve the issue, Further updates will be provided as soon as they are available.
investigating
We are currently investigating an issue on the Chatlayer Voice Engine in the EMEA and US regions.
Impact: Customers will experience issues with incoming and outgoing calls via the Chatlayer services
Delivery Issue Mexico - AT&T
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We can observe that performance is restored.
Incident Restoration Time: 2026-07-28 09:00 UTC
We will continue to monitor for any further disturbances.
investigating
We are currently observing delivery issues in Mexico - AT&T.
Incident Start Time: 2026-07-28 06:22 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Delivery Issue Brazil - Claro
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Brazil - Claro.
Incident Start Time: 2026-07-25 01:46 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Delivery Issue Hungary - Telenor
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are currently observing delivery issues in Hungary - Telenor
Incident Start Time: 2026-07-24 16:05 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.
