All Systems Operational

External Connectivity Operational
SMS - APAC Operational
SMS - EMEA Operational
SMS - LATAM Operational
SMS - CA - ShortCode Operational
SMS - CA - Toll Free Operational
SMS - US - ShortCode Operational
SMS - US - Toll Free Operational
SMS - US - 10DLC Operational
MMS - US Operational
MMS - US - Toll Free Operational
MMS - US - 10DLC Operational
MMS - AU Operational
MMS - APAC Operational
Voice Operational
Data Calling Operational
Phone Calling (PSTN) Operational
Video Calling Operational
SIP Trunk Operational
Conversation API Operational
Core Operational
WhatsApp Operational
SMS Operational
RCS Operational
MMS Operational
Messenger Operational
Instagram Operational
Viber Bot Operational
Viber Messaging Operational
Telegram Operational
Kakaotalk Operational
Line Operational
WeChat Operational
Apple Messages Operational
Omnichannel Connector Operational
Batch API Operational
Verification Operational
Flash Call Verification Operational
SMS Verification Operational
Verification Text to Speech Operational
Messaging APIs Operational
SMPP - US Operational
SMPP - EU Operational
SMPP - AU Operational
SMPP - CA Operational
SMPP - BR Operational
HTTP - US Operational
HTTP - EU Operational
HTTP - AU Operational
HTTP - CA Operational
HTTP - BR Operational
REST - US Operational
REST - EU Operational
REST - AU Operational
REST - CA Operational
REST - BR Operational
MMS - US Operational
MMS - AU Operational
MMS - CA Operational
RCS - US Operational
RCS - EU Operational
SPAN - US Operational
SMS Template Management API - US Operational
US Disconnect File Service - US Operational
🔗 EXTERNAL - Campaign Registry status - US Operational
sFTP2SMS - BR Operational
SMS Template Management API - EU Operational
Provisioning API Operational
Provisioning API Core Operational
WhatsApp Provisioning API Operational
Webhook Provisioning API Operational
Bundles Provisioning API Operational
KakaoTalk Provisioning API Operational
RCS Provisioning API Operational
Sinch DI Services Operational
MM4 (MMS 365) Operational
MM7 (MMS 365) Operational
Message Manager Operational
E-mail 365 Operational
SMS 365 Operator RoW Operational
SMS 365 Operator US Operational
International SMS 365 Operational
Lookup API Endpoints Operational
ENUM AU Operational
HTTP AU Operational
ENUM EU Operational
HTTP EU Operational
ENUM US Operational
HTTP US Operational
ENUM CA Operational
HTTP CA Operational
HTTP BR Operational
Contact Pro Operational
Contact Pro - AF (South Africa) Operational
Contact Pro - AU (Australia) Operational
Contact Pro - EU (Europe) Operational
Contact Pro - NA (North America) Operational
Migrated APIs Operational
Redhot XML (mBlox) Operational
E3 (Dialogue) Operational
SMS (Legacy Sinch) Operational
HTTP API (TWW) Operational
Numbers API Operational
Dashboard.sinch.com Operational
Payment Operational
SMS Administration Operational
Numbers Administration Operational
Analytics Operational
Customer Support Operational
2FA Operational
US Campaigns Operational
Login/Sign up Operational
Campaigns Operational
Campaigns (France 🇫🇷) Operational
Campaigns API (France 🇫🇷) Operational
sFTP Connectors (France 🇫🇷) Operational
Campaigns (Europe 🇪🇺) Operational
Campaigns API (Europe 🇪🇺) Operational
sFTP Connectors (Europe 🇪🇺) Operational
Campaigns (North America 🇺🇸 / 🇨🇦) Operational
Campaigns API (North America 🇺🇸 / 🇨🇦) Operational
sFTP Connectors (North America 🇺🇸 / 🇨🇦) Operational
Elastic SIP Trunking Operational
API Operational
Inbound Calling Operational
Outbound Calling Operational
International Calling Operational
9-1-1 / Emergency Services Operational
User Interface Operational
Fax API Operational
API Operational
Inbound Faxing Operational
Outbound Faxing Operational
Notifications Operational
Fax to Email Operational
User Interface Operational
Sinch Engage Operational
The Hub Operational
Rest API Operational
Webhooks Operational
SMPP Operational
Sinch Engage Integrations Operational
Shopify Operational
Hubspot Operational
Netsuite Operational
Zoho CRM Operational
Big Commerce Operational
Salesforce Operational
Active Campaign Operational
Microsoft Dynamics Operational
Number Lookup API v2 (Beta) Operational
API Operational
User Interface Operational
Chatlayer Operational
Chatlayer Bot Engine - US Operational
Chatlayer Voice Engine - US Operational
Chatlayer App Integrations - US Operational
Chatlayer Bot Engine - EMEA Operational
Chatlayer Voice Engine - EMEA Operational
Chatlayer App Integrations - EMEA Operational
Chatlayer Bot Engine - South America Operational
Chatlayer Voice Engine - South America Operational
Chatlayer App Integrations - South America Operational
Chatlayer Bot Engine - India Operational
Chatlayer App Integrations - India Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Message Manager 6.1.7 Release, OS patches/updates Dec 6, 2025 18:00-22:00 UTC

Message Manager will be offline during the maintenance window. Customers are requested not to schedule any campaigns during this period.

If you experience any issues during this maintenance, 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. If you have any questions or concerns, please contact your Account Manager.
Posted on Nov 19, 2025 - 12:23 UTC

Decommissioning of US3 site Dec 8, 2025 09:30-10:30 UTC

Dear Customer,

As a part of our continuous efforts to modernize and improve Sinch's platform performance, we are writing to inform you that we are decommissioning our US3 site.

Should you be utilizing any of the following US3 endpoints, we advise you to update these records to point to our US1 site for the respective service instead:

US3 endpoints:

us3.smpp.api.sinch.com
smpp-us3.clxcommunications.com
inbound01-ash1.clxnetworks.com
us3.httpsms.api.sinch.com
http-us3.clxcommunications.com
us3.httplookup.api.sinch.com
enum-us3.clxcommunications.com
209.95.131.8


US1 endpoints:

us1.smpp.api.sinch.com
us1.httpsms.api.sinch.com
us1.httplookup.api.sinch.com

Please take care to whitelist the following IP addresses to ensure DR&MO Flow: 54.92.160.84, 3.213.71.59, 23.22.91.120

Please contact support@sinch.com should you require further information or assistance.
Posted on Sep 12, 2025 - 13:38 UTC

DI SMS 365 (SMSx, MMX) | Operator Services | Network Maintenance | PCR Number #PCRSDI-12022 Dec 9, 2025 07:00-10:00 UTC

Services: DI SMS 365 (SMSx, MMX)
PCR Number: PCRSDI-12022

Start Date and Time (GMT): 09th December 2025 07:00 Hrs.
End Date and Time (GMT): 09th December 2025 10:00 Hrs.

Impact
Mobile Terminating (MT) Traffic : Potential Impact.
Mobile Originated (MO) Traffic : Potential Impact.
DR Notification : Potential Impact.

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal networks.

If you experience any issues during this maintenance, 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
Posted on Nov 22, 2025 - 03:59 UTC

Planned Maintenance - MMS Dec 9, 2025 09:00-12:00 UTC

Dear Client,

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: 2025-12-09 09:00 UTC
End Time: 2025-12-09 12:00 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.

Sincerely,
Sinch
Posted on Nov 27, 2025 - 17:32 UTC

DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance || PCR Number #PCRSDI-12023 Dec 10, 2025 06:00-11:00 UTC

Services :: DI SMS 365 (SMSX)
PCR Number :: PCRSDI-12023

Start Date and Time (GMT):: 10 December 2025 06:00 Hrs.
End Date and Time (GMT):: 10 December 2025 11:00 Hrs.

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 : Impacted.
Report Manager Statistics : Impacted.

Description:
Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal application and systems.

If you experience any issues during this maintenance , 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.
Posted on Dec 04, 2025 - 23:24 UTC

External Maintenance - Toll-Free Number Provider Dec 11, 2025 04:00-08:00 UTC

Our Toll-Free number provider has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.

Maintenance start time: 2025-12-11 04:00 UTC
Maintenance end time: 2025-12-11 08:00 UTC
Posted on Nov 08, 2025 - 05:26 UTC

DI E-Mail 365 | Application Maintenance | PCR Number # PCRSDI-12033 Dec 14, 2025 02:00-04:00 UTC

Services :: DI E-Mail 365
PCR Number :: PCRSDI-12033

Start Date and Time (GMT):: 14th Dec 2025 02:00 UTC.
End Date and Time (GMT):: 14th Dec 2025 04:00 UTC.

Description:
Email365 - Reduce Retarus and Retarus US instances to 1 as they are no longer used
Zero/No impact on traffic .

Impact:
No impact .

If you experience any issues during this maintenance , 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.
Posted on Nov 30, 2025 - 08:26 UTC

DI SMS 365 (SMSX) | Operator Services | Application and System Maintenance | PCR Number #PCRSDI-12032 Dec 15, 2025 06:00-09:00 UTC

Services :: DI SMS 365
PCR Number :: PCRSDI-12032

Start Date and Time (GMT):: 15th December 2025 6:00 Hrs.
End Date and Time (GMT):: 15th December 2025 9:00 Hrs.

Impact:
Mobile Terminating (MT) Traffic : Potential delay in delivery.
Mobile Originated (MO) Traffic : Potential delay in delivery.
DR Notification : Potential delay in delivery.

Description:
Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal applications.

If you experience any issues during this maintenance, 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.
Posted on Dec 04, 2025 - 23:38 UTC

External Maintenance - Toll-Free Number Provider Dec 18, 2025 04:00-08:00 UTC

Our Toll-Free number provider has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.

Maintenance start time: 2025-12-18 04:00 UTC
Maintenance end time: 2025-12-18 08:00 UTC
Posted on Nov 08, 2025 - 05:26 UTC

Sinch Engage Campaign Database Maintenance Jan 11, 2026 23:00-23:30 UTC

We will be performing planned maintenance on the Sinch Engage Campaigns database.

Impact: During the maintenance window there will be a 3 minute outage during which new SMS, MMS, and RCS campaigns cannot be created. Any campaigns scheduled to be sent during this period will be queued and sent after the outage window.

Maintenance start time: 2026-01-11 23:00:00 UTC
Maintenance end time: 2026-01-11 23:30:00 UTC
Posted on Nov 25, 2025 - 10:45 UTC

Singapore Regulatory Compliance Maintenance - A2P SMS APIs - TLS 1.3 Requirement Apr 1, 2026 00:00-01:00 UTC

The Infocomm Media Development Authority (IMDA) of Singapore has mandated the use of TLS (Transport Layer Security) 1.3 for all API connections handling A2P SMS traffic, effective April 1, 2026.

To ensure compliance and prevent any possible service disruption, all customers sending SMS traffic to Singapore must update their systems to support TLS 1.3 before this deadline.

Sinch Platform Readiness:
Our commitment is to provide a secure and resilient infrastructure.
We have already enabled full TLS 1.3 support across our global A2P SMSC infrastructure. The final site, EU3 (IP 93.158.78.4), will be fully compliant to TLS 1.3 by end of February 2026, well ahead of the deadline.

Required Customer Action:
Verify Your Configuration: We strongly urge you to begin transitioning your systems to use TLS 1.3 for connections to Sinch immediately.

Compliance Deadline:
In accordance with IMDA requirements, connections using TLS 1.2 for traffic to Singapore should not be supported after April 1, 2026. To avoid any possible interruption of service to Singapore, you must complete your transition before this date.

Our team is ready to help ensure your transition is smooth and seamless.
Please do not hesitate to contact our customer support or account manager if you have any questions or require assistance.
Posted on Nov 04, 2025 - 12:48 UTC
Dec 5, 2025
Campaigns Application Maintenance
Completed - The scheduled maintenance has been completed.
Dec 5, 11:15 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 5, 10:30 UTC
Scheduled - Technical maintenance
Dec 5, 10:20 UTC
Dec 4, 2025
Service Degradation - 10DLC Campaign and Number provisioning
Resolved - This incident has been resolved.

Incident Start Time: 2025-12-03 17:15 UTC
Incident End Time: 2025-12-04 22:15 UTC
Dec 4, 22:35 UTC
Investigating - We are currently experiencing a degradation affecting 10DLC Campaign, and Number provisioning.

Impact: Clients may experience delays with 10DLC campaign, and number provisioning
Dec 4, 20:07 UTC
External Maintenance - T-Mobile United States
Completed - The scheduled maintenance has been completed.
Dec 4, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 4, 04:01 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: 2025-12-04 04:00 UTC
Maintenance end time: 2025-12-04 12:00 UTC
Dec 1, 21:49 UTC
DI SMS 365 (SMSx) | Operator Services | Network Maintenance | PCR Number #PCRSDI-12021
Completed - The scheduled maintenance has been completed.
Dec 4, 11:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 4, 07:00 UTC
Scheduled - Services: DI SMS 365 (SMSx)
PCR Number: PCRSDI-12021

Start Date and Time (GMT): 04th December 2025 07:00 Hrs.
End Date and Time (GMT): 04th December 2025 11:00 Hrs.

Impact
Mobile Terminating (MT) Traffic : Potential Impact.
Mobile Originated (MO) Traffic : Potential Impact.
DR Notification : Potential Impact.

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal networks.

If you experience any issues during this maintenance, 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
Nov 22, 03:47 UTC
External Maintenance - Toll-Free Number Provider
Completed - The scheduled maintenance has been completed.
Dec 4, 08:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 4, 04:00 UTC
Scheduled - Our Toll-Free number provider has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.
Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.

Maintenance start time: 2025-12-04 04:00 UTC
Maintenance end time: 2025-12-04 08:00 UTC
Nov 8, 05:26 UTC
Dec 3, 2025
DI SMS 365 | Operator Services | Network Maintenance | PCR Number #PCRSDI-12035
Completed - The scheduled maintenance has been completed.
Dec 3, 22:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 21:00 UTC
Scheduled - Services: DI SMS 365
PCR Number: PCRSDI-12035

Start Date and Time (GMT): 03rd Dec 2025 21:00 hrs
End Date and Time (GMT): 03rd Dec 2025 22:30 hrs

Impact
Mobile Terminating (MT) Traffic : Potential Impact.
Mobile Originated (MO) Traffic : Potential Impact.
DR Notification : Potential Impact.

Description:
Sinch Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal networks.

If you experience any issues during this maintenance, 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
Dec 2, 20:32 UTC
Campaigns Application Maintenance
Completed - The scheduled maintenance has been completed.
Dec 3, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 12:00 UTC
Scheduled - Campaigns Application Maintenance
Dec 3, 11:41 UTC
External Maintenance - T-Mobile United States
Completed - The scheduled maintenance has been completed.
Dec 3, 12:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 04:00 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: 2025-12-03 04:00 UTC
Maintenance end time: 2025-12-03 12:00 UTC
Dec 1, 21:31 UTC
DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance | PCR Number #PCRSDI-12006
Completed - The scheduled maintenance has been completed.
Dec 3, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 05:00 UTC
Scheduled - Services :: DI SMS 365 (SMSX)
PCR Number :: PCRSDI-12006

Start Date and Time (GMT):: 03 December 2025 05:00 Hrs.
End Date and Time (GMT):: 03 December 2025 10:00 Hrs.

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 : Impacted.
Report Manager Statistics : Impacted.

Description:
Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal application and systems.

If you experience any issues during this maintenance , 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.
Nov 22, 03:36 UTC
Dec 2, 2025
External Maintenance - Singapore - Starhub
Completed - The scheduled maintenance has been completed.
Dec 2, 22:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 2, 16:00 UTC
Scheduled - Singapore - Starhub has scheduled a maintenance.

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

Maintenance start time: 2025-12-02 16:00 UTC
Maintenance end time: 2025-12-02 22:00 UTC
Nov 27, 15:07 UTC
DI SMS 365 (MM4) | Operator Services | Application Maintenance | PCR Number #PCRSDI-12018
Completed - The scheduled maintenance has been completed.
Dec 2, 09:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 2, 05:00 UTC
Scheduled - Services :: DI SMS 365 (MM7)
PCR Number ::PCRSDI-12018

Start Date and Time (GMT):: 02nd Dec 2025 05:00 hrs
End Date and Time (GMT):: 02nd Dec 2025 09:00 hrs

Impact:
Mobile Terminating (MT) Traffic: No impact
Mobile Originated (MO) Traffic: No impact
DR Notification: No impact

Description:
Digital Interconnect has scheduled a planned maintenance to carry out activities on the internal applications.

If you experience any issues during this maintenance , 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.
Dec 1, 23:35 UTC
Delivery issues United States - Verizon
Resolved - This incident has been resolved.

Incident Start Time: 2025-12-01 16:58 UTC
Incident End Time: 2025-12-02 01:29 UTC
Dec 2, 02:41 UTC
Update - We are continuing to investigate this issue.
Dec 2, 00:02 UTC
Update - We are continuing to investigate this issue.
Dec 1, 21:09 UTC
Investigating - We are currently observing delivery issues related to toll free traffic sent to Verizon-US.

Incident Start Time: 2025-12-01 16:58 UTC

Impact SMS: Clients may experience delayed or failed toll free traffic towards Verizon-US

We will update as soon as we have more information.
Dec 1, 19:18 UTC
DI MMS 365 (MM7) | Operator Services | Potential delay in delivery of MO, MT and DLR | TT#MNOC-62330
Resolved - All queues have been cleared and traffic is resumed back to normal. We will continue to monitor the traffic.
Dec 2, 01:55 UTC
Investigating - Ticket Number :: MNOC-62330
Services :: DI MMS 365 - MM7

Description ::
Monitoring NOC is observing potential delay in delivery of messages. Few of our customers may observe delays in delivery for MO, MT and DR messages. Our support team is working on this issue. Monitoring NOC will continue to follow-up and update you on the progress made.

Impact ::
Mobile Terminating (MT) Traffic: Potential delay in delivery
Mobile Originated (MO) Traffic: Potential delay in delivery
DR Notification : Potential delay in delivery


Incident Start Date & Time (GMT) : 1st Dec 2025, 22:14 hrs

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.
Dec 1, 22:57 UTC
Dec 1, 2025
DI MMS 365 (MM7) | Operator Services | Potential delay in delivery of MO, MT and DLR | TT#MNOC-62320
Resolved - This incident has been resolved.
Dec 1, 20:15 UTC
Monitoring - Dear Clients,

Please note that the potential delay is identified due to queues observed on MM7 platform.
The queues are currently decreasing gradually.

We are actively monitoring the situation and will provide update on further improvements.

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.
Dec 1, 18:41 UTC
Investigating - Ticket Number :: MNOC-62320
Services :: DI MMS 365 - MM7

Description ::
Monitoring NOC is observing potential delay in delivery of messages. Few of our customers may observe delays in delivery for MO, MT and DR messages. Our support team is working on this issue. Monitoring NOC will continue to follow-up and update you on the progress made.

Impact ::
Mobile Terminating (MT) Traffic: Potential delay in delivery
Mobile Originated (MO) Traffic: Potential delay in delivery
DR Notification : Potential delay in delivery


Incident Start Date & Time (GMT) : 1st Dec 2025, 17:07 hrs

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.
Dec 1, 17:33 UTC
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR | TT# MNOC-62312
Resolved - Dear Clients,

We are pleased to inform you that the issue with the isms platform has been resolved.
We have monitored the results and we confirm that the messages are getting processed without any delay.

Incident Start Date & Time (GMT) : 01 Dec 2025 10:15 GMT.
Incident End Date & Time (GMT) : 01 Dec 2025 12:25 GMT.

We appreciate your patience and understanding.

If you experience any issues during this maintenance , 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.
Dec 1, 12:44 UTC
Update - 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.
Dec 1, 11:58 UTC
Investigating - Ticket Number :: MNOC-62312
Services:: DI SMS 365 - iSMS

Description :: Our internal monitoring systems have detected an issue that may be causing potential delays in the delivery of MO (Mobile Originated), MT (Mobile Terminated), and DLR (Delivery Report) traffic. We are currently investigating it with the highest priority.

Impact ::
Mobile Terminating (MT) Traffic: Potential delay in delivery
Mobile Originated (MO) Traffic: Potential delay in delivery
DR Notification : Potential delay in delivery
Message Manager: : Not Impacted
Extranet : Not Impacted

Incident Start Date & Time (GMT) : 01 Dec 2025 10:15 GMT.


If you experience any issues during this maintenance, 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
Dec 1, 10:26 UTC
Nov 30, 2025
Delivery Issue Iraq - Asia Cell
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-30 13:45 UTC
Incident End Time: 2025-11-30 16:50 UTC
Nov 30, 18:04 UTC
Update - We are continuing to investigate this issue.
Nov 30, 16:01 UTC
Investigating - We are currently observing delivery issues in Iraq - Asia Cell.

Incident Start Time: 2025-11-30 13:45 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Nov 30, 14:11 UTC
Nov 29, 2025
Delivery Issue United Kingdom - Vodafone
Resolved - This Incident has been resolved.

Incident Start Time: 2025-11-28 07:00 UTC
Incident End Time: 2025-11-29 05:29 UTC
Nov 29, 12:05 UTC
Update - We are continuing to investigate this issue.
Nov 28, 23:08 UTC
Update - We are continuing to investigate this issue.
Nov 28, 18:02 UTC
Update - We are continuing to investigate this issue.
Nov 28, 14:01 UTC
Investigating - We are currently observing delivery issues in United Kingdom - Vodafone.

Incident Start Time: 2025-11-28 07:00 UTC

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

We will update as soon as we have more information.
Nov 28, 11:56 UTC
DI SMS 365 (MM7) | Operator Services | Potential delay in delivery of MO, MT and DR | TT# MNOC-62277
Resolved - All queues have been cleared and traffic is resumed back to normal. We will continue to monitor the traffic.
Nov 29, 00:47 UTC
Update - MM7 queues are gradually decreasing. NOC Team is continuously monitoring the MM7 queues & will update with further improvements.
Nov 28, 18:42 UTC
Identified - We are seeing high traffic for MM7 customers. NOC Team will continuously monitor the MM7 queues & will update with further improvements.
Nov 28, 18:19 UTC
Investigating - Ticket Number :: MNOC-62277
Services:: DI MMS 365 - MM7

Description :: Our internal monitoring has alerted to an incident, where we have MM7 queues built within our platform. This would potentially cause delay in delivery for Multimedia messages.

Impact ::
Mobile Terminating (MT) Traffic: Potential delay in delivery
Mobile Originated (MO) Traffic: Potential delay in delivery
DR Notification : Potential delay in delivery
Message Manager: : Not Impacted
Extranet : Not Impacted

Incident Start Date & Time (GMT) : Nov 28th 16:08 GMT 2025.

If you have any questions or concerns, please send an email to essupport.digitalinterconnect@sinch.com.
Nov 28, 18:00 UTC
Nov 28, 2025
Delivery Issue Nuuday - Denmark
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-28 02:07 UTC
Incident End Time: 2025-11-28 05:12 UTC
Nov 28, 05:57 UTC
Investigating - We are currently observing delivery issues in Nuuday - Denmark

Incident Start Time: 2025-11-28 02:07 UTC.

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

We will update as soon as we have more information.
Nov 28, 03:25 UTC
Delivery Issue Colombia - Claro
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-28 04:10 UTC
Incident End Time: 2025-11-28 05:10 UTC
Nov 28, 05:48 UTC
Investigating - We are currently observing delivery issues in Colombia - Claro.

Incident Start Time: 2025-11-28 04:10 UTC

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

We will update as soon as we have more information.
Nov 28, 04:39 UTC
Nov 27, 2025
Delivery Issue United Kingdom - Vodafone UK
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-27 11:00 UTC
Incident End Time: 2025-11-27 21:18 UTC
Nov 27, 21:46 UTC
Update - We are continuing to investigate this issue.
Nov 27, 18:17 UTC
Investigating - We are currently observing delivery issues in United Kingdom - Vodafone UK.

Incident Start Time: 2025-11-27 11:00 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Nov 27, 15:29 UTC
Delivery Issue Guatemala - Tigo
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-27 07:45 UTC
Incident End Time: 2025-11-27 08:57 UTC
Nov 27, 10:34 UTC
Investigating - We are currently observing delivery issues in Guatemala - Tigo

Incident Start Time: 2025-11-27 07:45 UTC

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

We will update as soon as we have more information.
Nov 27, 08:28 UTC
Nov 26, 2025
External Maintenance - Singapore - Starhub
Completed - The scheduled maintenance has been completed.
Nov 26, 21:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 26, 16:00 UTC
Scheduled - Singapore - Starhub has scheduled a maintenance.

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

Maintenance start time: 2025-11-26 16:00 UTC
Maintenance end time: 2025-11-26 21:30 UTC
Nov 21, 12:18 UTC
Delivery Issue Mexico - Izzi
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-26 06:26 UTC
Incident End Time: 2025-11-26 11:48 UTC
Nov 26, 12:24 UTC
Update - We are continuing to investigate this issue.
Nov 26, 10:15 UTC
Investigating - We are currently observing delivery issues in Mexico - Izzi.

Incident Start Time: 2025-11-26 06:26 UTC

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

We will update as soon as we have more information.
Nov 26, 06:47 UTC
Delivery Issue Colombia - Telefonica
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-24 05:05 UTC
Incident End Time: 2025-11-26 09:36 UTC
Nov 26, 10:13 UTC
Update - We are continuing to investigate this issue.
Nov 25, 07:57 UTC
Update - We are continuing to investigate this issue.
Nov 24, 23:38 UTC
Update - We are continuing to investigate this issue.
Nov 24, 15:03 UTC
Update - We are continuing to investigate this issue.
Nov 24, 10:05 UTC
Update - We are continuing to investigate this issue.
Nov 24, 07:07 UTC
Investigating - We are currently observing delivery issues in Colombia - Telefonica.

Incident Start Time: 2025-11-24 05:05 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Nov 24, 05:53 UTC
Delivery Issue Mexico - Izzy
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-26 01:04 UTC
Incident End Time: 2025-11-26 03:08 UTC
Nov 26, 06:14 UTC
Investigating - We are currently observing delivery issues towards Mexico - Izzy.

Incident Start Time: 2025-11-26 01:04 UTC

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

We will update as soon as we have more information.
Nov 26, 02:12 UTC
Delivery Issue Mexico - AT&T
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-26 00:14 UTC
Incident End Time: 2025-11-26 00:58 UTC
Nov 26, 02:16 UTC
Investigating - We are currently observing delivery issues towards Mexico - AT&T

Incident Start Time: 2025-11-26 00:14 UTC

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

We will update as soon as we have more information.
Nov 26, 00:59 UTC
External Maintenance - United States and Canada
Completed - The scheduled maintenance has been completed.
Nov 26, 00:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 25, 20:00 UTC
Scheduled - Our Toll-Free number provider has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada.

Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States.

Maintenance start time: 2025-11-25 20:00 UTC
Maintenance end time: 2025-11-26 00:00 UTC
Oct 6, 19:09 UTC
Nov 25, 2025
External Maintenance - Singapore - M1
Completed - The scheduled maintenance has been completed.
Nov 25, 21:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 25, 17:00 UTC
Scheduled - Singapore - M1 has scheduled a maintenance.

Maintenance start time: 2025-11-25 17:00 UTC
Maintenance end time: 2025-11-25 21:00 UTC

Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Nov 21, 10:01 UTC
Delivery Issue New Zealand - Spark
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-25 13:36 UTC.

Incident End Time: 2025-11-25 14:23 UTC.
Nov 25, 20:12 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 25, 17:04 UTC
Investigating - We are currently observing delivery issues New Zealand - Spark.

Incident Start Time: 2025-11-25 13:36 UTC.

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

We will update as soon as we have more information.
Nov 25, 14:09 UTC
Delivery Issue New Zealand - Skinny
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-25 13:36 UTC.

Incident End Time: 2025-11-25 14:23 UTC.
Nov 25, 20:12 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 25, 17:04 UTC
Investigating - We are currently observing delivery issues New Zealand - Skinny.

Incident Start Time: 2025-11-25 13:36 UTC.

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

We will update as soon as we have more information.
Nov 25, 14:10 UTC
Campaigns Application Maintenance
Completed - The scheduled maintenance has been completed.
Nov 25, 15:15 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 25, 14:15 UTC
Scheduled - Technical maintenance
Nov 25, 14:11 UTC
Delivery Issue Colombia
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-24 11:59 UTC
Incident End Time: 2025-11-25 13:40 UTC
Nov 25, 14:07 UTC
Update - We are continuing to investigate this issue.
Nov 25, 07:58 UTC
Update - We are continuing to investigate this issue.
Nov 24, 15:02 UTC
Investigating - We are currently observing delivery issues towards Colombia.

Incident Start Time: 2025-11-24 11:59 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Nov 24, 13:36 UTC
Delivery Issue Tunisia - Ooredoo
Resolved - This Incident has been resolved.

Incident Start Time: 2025-11-20 14:10 UTC
Incident End Time: 2025-11-25 00:50 UTC
Nov 25, 08:06 UTC
Update - We are continuing to investigate this issue.
Nov 24, 11:02 UTC
Update - We are continuing to investigate this issue.
Nov 23, 10:02 UTC
Update - We are continuing to investigate this issue.
Nov 22, 09:13 UTC
Update - We are continuing to investigate this issue.
Nov 22, 00:02 UTC
Update - We are continuing to investigate this issue.
Nov 21, 19:03 UTC
Update - We are continuing to investigate this issue.
Nov 21, 16:02 UTC
Investigating - We are currently observing delivery issues in Tunisia - Ooredoo.

Incident Start Time: 2025-11-20 14:10 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Nov 21, 14:30 UTC
Delivery Issue Mexico - Telcel
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-25 03:56 UTC
Incident End Time: 2025-11-25 04:14 UTC
Nov 25, 07:53 UTC
Monitoring - Service is operational and we are actively monitoring the situation.
Nov 25, 05:21 UTC
Investigating - We are currently observing delivery issues in Mexico - Telcel

Incident Start Time: 2025-11-25 03:56 UTC

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

We will update as soon as we have more information.
Nov 25, 04:12 UTC
Delivery Issue Ireland - Eir Telecom
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-25 02:05 UTC
Incident End Time: 2025-11-25 02:39 UTC
Nov 25, 03:17 UTC
Investigating - We are currently observing delivery issues in Ireland - Eir Telecom.

Incident Start Time: 2025-11-25 02:05 UTC

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

We will update as soon as we have more information.
Nov 25, 02:34 UTC
Nov 24, 2025
Delivery issues United States - Verizon Wireless
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-24 16:00 UTC
Incident End Time: 2025-11-24 23:27 UTC
Nov 24, 23:33 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 24, 22:24 UTC
Investigating - We are currently observing delivery issues in United States - Verizon Wireless.

Incident Start Time: 2025-11-24 16:00 UTC
Impact SMS and MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards Verizon-US
Nov 24, 20:11 UTC
External Maintenance - Singapore - Starhub
Completed - The scheduled maintenance has been completed.
Nov 24, 21:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 24, 16:00 UTC
Scheduled - Singapore - Starhub has scheduled a maintenance.

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

Maintenance start time: 2025-11-24 16:00 UTC
Maintenance end time: 2025-11-24 21:30 UTC
Nov 21, 12:15 UTC
Campaigns Application Maintenance
Completed - The scheduled maintenance has been completed.
Nov 24, 15:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 24, 15:00 UTC
Scheduled - Technical update
Nov 24, 14:33 UTC
Nov 23, 2025
Delivery Issue Colombia - Claro
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-23 06:36 UTC
Incident End Time: 2025-11-23 08:49 UTC
Nov 23, 09:05 UTC
Investigating - We are currently observing delivery issues in Colombia - Claro.

Incident Start Time: 2025-11-23 06:36 UTC

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

We will update as soon as we have more information.
Nov 23, 07:17 UTC
Nov 22, 2025
Nov 21, 2025
Campaigns Application Maintenance
Completed - The scheduled maintenance has been completed.
Nov 21, 14:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 21, 14:00 UTC
Scheduled - Technical update
Nov 21, 13:13 UTC
Delivery Issue Colombia - Claro
Resolved - This incident has been resolved.

Incident Start Time: 2025-11-21 04:12 UTC
Incident End Time: 2025-11-21 06:17 UTC
Nov 21, 07:12 UTC
Investigating - We are currently observing delivery issues in Colombia - Claro.

Incident Start Time: 2025-11-21 04:12 UTC

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

We will update as soon as we have more information.
Nov 21, 05:39 UTC
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