THIS IS A SCHEDULED EVENT Jul <var data-var='date'>30</var>, <var data-var='time'>03:00</var> - <var data-var='time'>07:00</var> UTC Jun <var data-var='date'> 2</var>, <var data-var='time'>01:49</var> UTC Scheduled - We are writing to inform you that our Toll-Free Number Provider (US and CA) will be performing planned maintenance at the times specified below: Start Time: 2026-07-30 03:00 UTC End Time: 2026-07-30 07:00 UTC 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.

External Maintenance - Toll-Free Number Provider (US and CA)

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>23</var>, <var data-var='time'>03:00</var> - <var data-var='time'>07:00</var> UTC Jun <var data-var='date'> 2</var>, <var data-var='time'>01:30</var> UTC Scheduled - We are writing to inform you that our Toll-Free Number Provider (US and CA) will be performing planned maintenance at the times specified below: Start Time: 2026-07-23 03:00 UTC End Time: 2026-07-23 07:00 UTC 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.

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>21</var>, <var data-var='time'>04:00</var> - <var data-var='time'>06:00</var> UTC Jul <var data-var='date'> 2</var>, <var data-var='time'>18:32</var> UTC Scheduled - Dear Client, To improve the performance and reliability of our MMS platform, Sinch has scheduled maintenance affecting AT&T MMS connectivity. Please find the maintenance details below. Maintenance Start time: 2026-07-21 04:00 UTC Maintenance End time: 2026-07-21 06:00 UTC Impact: During the maintenance window, customers may experience a loss of MMS delivery receipts. In addition, MMS MT traffic destined for AT&T devices may be delayed or fail. 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.

Sinch Scheduled Maintenance - MMS - United States - AT&T

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>20</var>, <var data-var='time'>20:00</var> - <var data-var='time'>21:00</var> UTC Jun <var data-var='date'>18</var>, <var data-var='time'>10:03</var> UTC Update - We will be undergoing scheduled maintenance during this time. Jun <var data-var='date'>18</var>, <var data-var='time'>10:03</var> UTC Update - We will be undergoing scheduled maintenance during this time. Jun <var data-var='date'>18</var>, <var data-var='time'>10:01</var> UTC Scheduled - We will be performing a server maintenance. This will impact our APIs and our sFTP Connector products in France. A limited downtime is expected.

Campaigns Server Maintenance

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>16</var>, <var data-var='time'>09:00</var> - <var data-var='time'>10:00</var> UTC Jun <var data-var='date'>15</var>, <var data-var='time'>15:35</var> UTC Scheduled - We are writing to inform you that, as part of our continuous efforts to improve the performance, stability, and reliability of our platform, we will be performing scheduled maintenance on the REST Traffic platform at the times specified below. Type: Maintenance – REST Traffic Database Upgrade Start Time: 2026-07-16 09:00 UTC End Time: 2026-07-16 10:00 UTC Impact: REST Traffic – EU. During the maintenance window, clients making GET requests may experience intermittent service interruptions, increased response times, or temporary request failures due to the database upgrade activities. 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.

Planned Maintenance - REST Traffic Database Upgrade

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>16</var>, <var data-var='time'>03:00</var> - <var data-var='time'>07:00</var> UTC Jun <var data-var='date'> 2</var>, <var data-var='time'>00:58</var> UTC Scheduled - We are writing to inform you that our Toll-Free Number Provider (US and CA) will be performing planned maintenance at the times specified below: Start Time: 2026-07-16 03:00 UTC End Time: 2026-07-16 07:00 UTC 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.

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>14</var>, <var data-var='time'>19:00</var> - <var data-var='time'>19:30</var> UTC Jun <var data-var='date'>30</var>, <var data-var='time'>13:38</var> UTC Update - We will be undergoing scheduled maintenance during this time. Jul <var data-var='date'>14</var>, <var data-var='time'>19:00</var> UTC Scheduled - Please note the scheduled maintenance has been postponed to July 14, 2026. ---- Sinch Voice API- EU Region will be undergoing maintenance to update SBCs [Session Border Controller] & SIP Registrars that will impact how inbound DID calls are delivered to your equipment over TCP and TLS. The Sinch SBCs will now consistently use source port 5060/5061 when initiating TCP/TLS connections to your PBX or SIP endpoint. Previously, these connections originated from a random source port. The scheduled work is not expected to impact services. This change improves consistency and predictability in how our signaling traffic reaches your equipment. 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.

Sinch Scheduled Maintenance - Voice API (EU regions)

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>14</var>, <var data-var='time'>12:00</var> - <var data-var='time'>13:00</var> UTC Jun <var data-var='date'>30</var>, <var data-var='time'>13:56</var> UTC Scheduled - Please note the scheduled maintenance originally scheduled for June 30, 2026 has been postponed to July 14, 2026. -------- Sinch Elastic SIP Trunking will be undergoing maintenance to update SBCs [Session Border Controller] & SIP Registrars that will impact how inbound DID calls are delivered to your equipment over TCP and TLS. The Sinch SBCs will now consistently use source port 5060/5061 when initiating TCP/TLS connections to your PBX or SIP endpoint. Previously, these connections originated from a random source port. The scheduled work is not expected to impact services. This change improves consistency and predictability in how our signaling traffic reaches your equipment. 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.

Sinch Scheduled Maintenance - Elastic SIP Trunking (US) and Voice API (all regions except EU) -rescheduled from June 30

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>13</var>, <var data-var='time'>08:00</var> - <var data-var='time'>12:00</var> UTC Jun <var data-var='date'>30</var>, <var data-var='time'>13:41</var> UTC Scheduled - Dear Customer, We are writing to inform you that we have scheduled routine maintenance for our Verification service. Maintenance start time: 2026-07-13 08:00 UTC Maintenance end time: 2026-07-13 12:00 UTC Impact: Customers may experience Minor disruptions 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.

Sinch Scheduled Maintenance: Verification API

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>9</var>, <var data-var='time'>12:00</var> - <var data-var='time'>14:00</var> UTC Jul <var data-var='date'> 3</var>, <var data-var='time'>16:34</var> UTC Scheduled - Sinch Elastic SIP Trunking will be undergoing maintenance to complete the release for "603+". We will also be deploying minor bug fixes for services supporting CNAM lookups, RPID and PAI header support, and 911/933 emergency callback support. "603+" is a newer SIP response code used in U.S. voice networks to signal that a call was blocked by the network, usually because it was identified as likely illegal, fraudulent, or unwanted traffic. Due to unforeseen circumstances, the full release for "603+" has been postponed several times - we sincerely apologize for the confusion. We anticipate July 9, 2026 to be the final release to support "603+". 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. Please contact support@sinch.com for further information.

Sinch Scheduled Maintenance - Elastic SIP Trunking - final 603+ deployment

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>9</var>, <var data-var='time'>06:00</var> - <var data-var='time'>09:00</var> UTC Jun <var data-var='date'>22</var>, <var data-var='time'>13:02</var> 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 maintenance on our database between 6:00 and 9:00 UTC on July 9th. Maintenance start time: 2026-07-09 06:00 UTC Maintenance end time: 2026-07-09 09:00 UTC Impact: Customers may experience a slight increase in latency for 10DLC brands management and the creation of new brands in the customer dashboard and public API throughout the maintenance window, and a brief downtime of about 10 seconds as the database switches over to the secondary database. 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.

Scheduled Maintenance: 10DLC Brands Management

THIS IS A SCHEDULED EVENT Jul <var data-var='date'>9</var>, <var data-var='time'>03:00</var> - <var data-var='time'>07:00</var> UTC Jun <var data-var='date'> 2</var>, <var data-var='time'>00:51</var> UTC Scheduled - We are writing to inform you that our Toll-Free Number Provider (US and CA) will be performing planned maintenance at the times specified below: Start Time: 2026-07-09 03:00 UTC End Time: 2026-07-09 07:00 UTC 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.

Jul <var data-var='date'> 8</var>, <var data-var='time'>09:31</var> UTC Completed - The scheduled maintenance has been completed. Jul <var data-var='date'> 8</var>, <var data-var='time'>08:30</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jul <var data-var='date'> 8</var>, <var data-var='time'>08:09</var> UTC Scheduled - Campaigns Application Maintenance

Campaigns Application Maintenance

Jul <var data-var='date'> 8</var>, <var data-var='time'>09:30</var> UTC Completed - The scheduled maintenance has been completed. Jul <var data-var='date'> 8</var>, <var data-var='time'>08:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jun <var data-var='date'>22</var>, <var data-var='time'>13:22</var> 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 our MMS platform at the times specified below. Type: Maintenance - MMS Start Time: 2026-07-08 08:00 UTC End Time: 2026-07-08 09:30 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.

Sinch Internal Maintenance - MMS

Jul <var data-var='date'> 8</var>, <var data-var='time'>08:05</var> UTC Resolved - This incident has been resolved. Jul <var data-var='date'> 7</var>, <var data-var='time'>23:58</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 6</var>, <var data-var='time'>21:22</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 5</var>, <var data-var='time'>19:27</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 4</var>, <var data-var='time'>17:44</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 3</var>, <var data-var='time'>13:53</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 2</var>, <var data-var='time'>12:46</var> UTC Update - We are continuing to work on a fix for this issue. Jul <var data-var='date'> 1</var>, <var data-var='time'>12:29</var> UTC Update - We are continuing to work on a fix for this issue. Jun <var data-var='date'>30</var>, <var data-var='time'>07:43</var> UTC Identified - The issue has been identified and a fix is being implemented. Jun <var data-var='date'>29</var>, <var data-var='time'>13:43</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>28</var>, <var data-var='time'>13:32</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>27</var>, <var data-var='time'>10:09</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>26</var>, <var data-var='time'>09:59</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>25</var>, <var data-var='time'>08:44</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>24</var>, <var data-var='time'>06:10</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>23</var>, <var data-var='time'>05:59</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>22</var>, <var data-var='time'>05:11</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>21</var>, <var data-var='time'>04:09</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>19</var>, <var data-var='time'>23:41</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>18</var>, <var data-var='time'>22:19</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>17</var>, <var data-var='time'>19:05</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>16</var>, <var data-var='time'>18:13</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>15</var>, <var data-var='time'>17:14</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>14</var>, <var data-var='time'>16:20</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>13</var>, <var data-var='time'>16:15</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>12</var>, <var data-var='time'>15:35</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>11</var>, <var data-var='time'>14:15</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>11</var>, <var data-var='time'>05:15</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>10</var>, <var data-var='time'>18:18</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>10</var>, <var data-var='time'>14:09</var> UTC Update - We are continuing to investigate this issue. Jun <var data-var='date'>10</var>, <var data-var='time'>12:56</var> UTC Investigating - We are currently facing a service degradation on dashboard analytics for a subset of Conversation API traffic sent. Impact: Customers may notice an inaccurate status for a subset of Conversation API messages For any inquiries, please contact support@sinch.com.

Customer Dashboard - Conversation API - Analytics Degradation

Jul <var data-var='date'> 8</var>, <var data-var='time'>06:13</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 8</var>, <var data-var='time'>01:34</var> UTC Update - Telstra continues to investigate this issue. Jul <var data-var='date'> 8</var>, <var data-var='time'>01:13</var> UTC Update - Telstra continues to investigate this issue. Jul <var data-var='date'> 7</var>, <var data-var='time'>23:19</var> UTC Investigating - We are currently observing delivery issues in Australia - Telstra Service impacted: Delays to processing of some Telstra port messages impacting Port Out transactions Incident Start Time: 2026-07-07 21:22 UTC Next update: 2026-07-08 00:22 UTC We will update as soon as we have more information.

Delivery Issue Australia - Telstra

Jul <var data-var='date'> 7</var>, <var data-var='time'>19:25</var> UTC Resolved - This incident has been resolved. Jul <var data-var='date'> 6</var>, <var data-var='time'>23:17</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul <var data-var='date'> 6</var>, <var data-var='time'>22:43</var> UTC Update - Engineering continues to work on this issue. A secondary queueing period was observed between 21:49-22:22 GMT and has recovered with messages processing normally at this time. Jul <var data-var='date'> 6</var>, <var data-var='time'>21:35</var> UTC Identified - Ticket Number: MNOC-64657 Services: SMSx Description: We observed queues related to MO, MT and DLR traffic within our SMSx platform. Few customers may have observed a potential delay in delivery for MO, MT and DLR traffic on 06 July, 2026 between 19:20 - 20:35 GMT. Our technical teams are actively working on the root cause and are monitoring for stability. 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 Incident Start Date & Time (GMT) : 06 July, 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.

Services | Operator Services | Potential delay in delivery of MO, MT and DLR | TT#MNOC-64657

Jul <var data-var='date'> 7</var>, <var data-var='time'>09:00</var> UTC Completed - The scheduled maintenance has been completed. Jul <var data-var='date'> 7</var>, <var data-var='time'>06:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jun <var data-var='date'>16</var>, <var data-var='time'>12:03</var> 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 maintenance on our database between 6:00 and 9:00 UTC on July 7th. Maintenance start time: 2026-07-07 06:00 UTC Maintenance end time: 2026-07-07 09:00 UTC Impact: Customers may experience a slight increase in latency for number import and text enablement flows in the customer dashboard and public API throughout the maintenance window, and a brief downtime of about 10 seconds as the database switches over to the secondary database. 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.

Scheduled Maintenance: Number Import And Text Enablement

Jul <var data-var='date'> 7</var>, <var data-var='time'>00:08</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-06 22:02 UTC Incident End Time: 2026-07-06 23:44 UTC Jul <var data-var='date'> 6</var>, <var data-var='time'>22:47</var> UTC Investigating - We are currently observing delivery issues in Germany - 1&1 Incident Start Time: 2026-07-06 22:02 UTC Impact: Failed/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 Germany - 1&1

Jul <var data-var='date'> 6</var>, <var data-var='time'>20:19</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-02 09:02 UTC Incident End Time: 2026-07-06 15:27 UTC Jul <var data-var='date'> 6</var>, <var data-var='time'>15:11</var> UTC Investigating - We are currently observing performance degradation for our V-SMS service towards the United Arab Emirates. The matter is currently being investigated with our supplier. Impact: Clients may experience failed or delayed V-SMS traffic to the United Arab Emirates. Clients may experience issues logging in to dashboard.sinch.com from the United Arab Emirates. We appreciate your patience while this is being investigated. If you have any questions or concerns please do not hesitate to reach out to support@sinch.com

V-SMS performance degradation for United Arab Emirates

Jul <var data-var='date'> 6</var>, <var data-var='time'>11:25</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-01 10:20 UTC Incident End Time: 2026-07-06 05:17 UTC Jul <var data-var='date'> 6</var>, <var data-var='time'>08:16</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 5</var>, <var data-var='time'>07:22</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 4</var>, <var data-var='time'>06:43</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 3</var>, <var data-var='time'>05:29</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 2</var>, <var data-var='time'>20:19</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 2</var>, <var data-var='time'>16:07</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 2</var>, <var data-var='time'>16:06</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 2</var>, <var data-var='time'>14:48</var> UTC Investigating - We are currently observing MO delivery issues in Netherlands - Odido due to SMSC issues on the operator's end. Incident Start Time: 2026-07-01 10:20 UTC Impact: Delayed/Missing MO's. We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.

Delivery Issue Netherlands - Odido

Jul <var data-var='date'> 4</var>, <var data-var='time'>14:53</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-04 11:55 UTC Incident End Time: 2026-07-04 14:31 UTC Jul <var data-var='date'> 4</var>, <var data-var='time'>12:35</var> UTC Investigating - We are currently observing delivery issues in United Kingdom - Lycamobile. Incident Start Time: 2026-07-04 11:55 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.

Delivery Issue United Kingdom - Lycamobile

Jul <var data-var='date'> 4</var>, <var data-var='time'>08:19</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-03 20:56 UTC Incident End Time: 2026-07-04 06:16 UTC Jul <var data-var='date'> 4</var>, <var data-var='time'>03:25</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 4</var>, <var data-var='time'>01:13</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 3</var>, <var data-var='time'>23:22</var> UTC Investigating - We are currently observing delivery issues in United Kingdom - Lycamobile Incident Start Time: 2026-07-03 20:56 UTC Impact: Failed/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.

Jul <var data-var='date'> 3</var>, <var data-var='time'>12:45</var> UTC Resolved - This incident has been resolved. Incident Start Time: 2026-07-03 06:56 UTC Incident End Time: 2026-07-03 12:22 UTC Jul <var data-var='date'> 3</var>, <var data-var='time'>09:11</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 3</var>, <var data-var='time'>07:18</var> UTC Investigating - We are currently observing delivery issues in Mayotte - Orange Mayotte. Incident Start Time: 2026-07-03 06:56 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.

Delivery Issue Mayotte - Orange Mayotte

Jul <var data-var='date'> 3</var>, <var data-var='time'>12:42</var> UTC Resolved - This incident has been resolved Incident Start Time: 2026-07-03 06:56 UTC Incident End Time: 2026-07-03 12:22 UTC Jul <var data-var='date'> 3</var>, <var data-var='time'>09:11</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 3</var>, <var data-var='time'>07:22</var> UTC Investigating - We are currently observing delivery issues in Reunion - Orange Reunion. Incident Start Time: 2026-07-03 06:56 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.

Delivery Issue Reunion - Orange Reunion

SMS - APAC

SMS - EMEA

SMS - LATAM

SMS - CA - ShortCode

SMS - CA - Toll Free

SMS - US - ShortCode

SMS - US - Toll Free

SMS - US - 10DLC

MMS - US

MMS - US - Toll Free

MMS - US - 10DLC

MMS - AU

MMS - APAC

External Connectivity

Data Calling

Phone Calling (PSTN)

Video Calling

SIP Trunk

Voice

Core

WhatsApp

Messenger

Instagram

Viber Bot

Viber Messaging

Telegram

Kakaotalk

Line

WeChat

Apple Messages

Omnichannel Connector

Batch API

Sinch Push

Sinch Chat

Template Management API

Smart Conversations

Conversation API

Flash Call Verification

SMS Verification

Verification Text to Speech

Verification

SMPP - US

SMPP - EU

SMPP - AU

SMPP - CA

SMPP - BR

HTTP - US

HTTP - EU

HTTP - AU

HTTP - CA

HTTP - BR

REST - US

REST - EU

REST - AU

REST - CA

REST - BR

MMS - CA

RCS - US

RCS - EU

SPAN - US

SMS Template Management API - US

US Disconnect File Service - US

🔗 EXTERNAL - Campaign Registry status - US

sFTP2SMS  - BR

SMS Template Management API - EU

TFN registration

Messaging APIs

Provisioning API Core

WhatsApp Provisioning API

Webhook Provisioning API

Bundles Provisioning API

KakaoTalk Provisioning API

RCS Provisioning API

Provisioning API

MM4 (MMS 365)

MM7 (MMS 365)

Message Manager

E-mail 365

SMS 365 Operator RoW

SMS 365 Operator US

International SMS 365

Sinch DI Services

ENUM AU

HTTP AU

ENUM EU

HTTP EU

ENUM US

HTTP US

ENUM CA

HTTP CA

HTTP BR

Lookup API Endpoints

Contact Pro - AF (South Africa)

Contact Pro - AU (Australia)

Contact Pro - EU (Europe)

Contact Pro - NA (North America)

Contact Pro

Redhot XML (mBlox)

E3 (Dialogue)

SMS (Legacy Sinch)

HTTP API (TWW)

Migrated APIs

Numbers API

Payment

SMS Administration

Numbers Administration

Analytics

Customer Support

US Campaigns

Login/Sign up

Dashboard.sinch.com

Campaigns (France 🇫🇷)

Campaigns API (France 🇫🇷)

sFTP Connectors (France 🇫🇷)

Campaigns (Europe 🇪🇺)

Campaigns API (Europe 🇪🇺)

sFTP Connectors (Europe 🇪🇺)

Campaigns (North America 🇺🇸 / 🇨🇦)

Campaigns API (North America 🇺🇸 / 🇨🇦)

sFTP Connectors (North America 🇺🇸 / 🇨🇦)

Campaigns

Inbound Calling

Outbound Calling

International Calling

9-1-1 / Emergency Services

User Interface

Elastic SIP Trunking

Inbound Faxing

Outbound Faxing

Notifications

Fax to Email

Fax API

Web Portal

API, SMPP, webhooks, email to SMS

Engage Classic (appengage.sinch.com)

Messaging Connectivity

Legacy Brands (MessageNet, DirectSMS, MobiPost, SMS Central, Wholesale SMS, Streetdata)

Is Sinch down?

Sinch status is DOWN

Components with issues

Lastest published events

Campaigns Application Maintenance

Sinch Internal Maintenance - MMS

Customer Dashboard - Conversation API - Analytics Degradation

Sinch Services, Components and Regions

Recent Sinch events

External Maintenance - Toll-Free Number Provider (US and CA)

External Maintenance - Toll-Free Number Provider (US and CA)

Sinch Scheduled Maintenance - MMS - United States - AT&T

Campaigns Server Maintenance

Planned Maintenance - REST Traffic Database Upgrade

External Maintenance - Toll-Free Number Provider (US and CA)

Get your FREE account now,
5 monitors included!

Is Sinch down?

Sinch status is DOWN

Components with issues

Lastest published events

Campaigns Application Maintenance

Sinch Internal Maintenance - MMS

Customer Dashboard - Conversation API - Analytics Degradation

Sinch Services, Components and Regions

Recent Sinch events

External Maintenance - Toll-Free Number Provider (US and CA)

External Maintenance - Toll-Free Number Provider (US and CA)

Sinch Scheduled Maintenance - MMS - United States - AT&T

Campaigns Server Maintenance

Planned Maintenance - REST Traffic Database Upgrade

External Maintenance - Toll-Free Number Provider (US and CA)

Get your FREE account now,5 monitors included!

Get your FREE account now,
5 monitors included!