May <var data-var='date'>25</var>, <var data-var='time'>19:13</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. May <var data-var='date'>25</var>, <var data-var='time'>17:38</var> CAT Investigating - Telkom Mobile SA is currently experiencing technical issues on their core network and as a result SMS delivery towards Telkom Mobile SA is degraded. Please do not resubmit any messages. Type: Network Outage Impact: Customers may experience irregular delivery with inconsistent delivery times when sending messages to Telkom Mobile SA. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Telkom Mobile SA

May <var data-var='date'>19</var>, <var data-var='time'>19:09</var> CAT Resolved - Connectivity has remained stable throughout the day and based on extensive monitoring, we believe the issue to be resolved. May <var data-var='date'>19</var>, <var data-var='time'>10:59</var> CAT Monitoring - Earlier this morning, three of our upstream ISPs experienced a sustained DDoS (Distributed Denial of Service) attack impacting their networks and infrastructure. The attack took place between 08:42 and 10:03 (UTC+2) and has since subsided. During that time, some customers may have noticed intermittent latency, packet loss, delayed message processing or temporary connectivity instability. Our team is actively working with the engineering teams at our providers to mitigate the impact and maintain service stability as effectively as possible. We continue to monitor the situation closely and will take all necessary steps to minimise any further disruption. We appreciate your patience and understanding and will provide further updates should the situation materially change. Please contact <a href="mailto:support@smsportal.com">support@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Platform Connectivity

May <var data-var='date'>17</var>, <var data-var='time'>23:00</var> CAT Completed - The scheduled maintenance has been completed. May <var data-var='date'>17</var>, <var data-var='time'>20:00</var> CAT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May <var data-var='date'> 7</var>, <var data-var='time'>12:40</var> CAT Scheduled - As part of our commitment to maintaining the highest levels of performance, security, and reliability on our platform, we will be conducting routine platform maintenance. Maintenance Schedule: Dates: 17 - 19 May 2026 Time: 20:00 - 23:00 (UTC+2) each evening Maintenance Scope: During this maintenance window we will be performing audits and critical maintenance on our Database Clusters, Networking Devices, Firewalls and Servers. The purpose of this maintenance is to enhance the availability, resilience, and security of our infrastructure, ensuring that we continue to deliver a stable and secure service to our customers. Expected Impact: While we do not anticipate any service interruptions, it is important to note that maintenance activities always carry a small risk of potential service impact. Need Assistance? If you have any concerns or require further information, please do not hesitate to contact our support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. Thank you for your understanding and continued support. The SMSPortal Team

Platform Maintenance

Mar <var data-var='date'>27</var>, <var data-var='time'>17:31</var> CAT Resolved - After extensive monitoring we believe this incident to be resolved. Mar <var data-var='date'>27</var>, <var data-var='time'>14:40</var> CAT Monitoring - We have been made aware of a wide-scale internet outage in South Africa affecting multiple ISPs, which began at approximately 13:10 (UTC+2). Services appear to have largely recovered around 14:15. Our platforms remained online and fully operational throughout the incident. Customers who may still be experiencing connectivity issues are advised to contact their ISP for further assistance. Alternatively, you are welcome to reach out to us at <a href="mailto:help@smsportal.com">help@smsportal.com</a> and we will gladly assist where possible. We are continuing to monitor the situation and will provide updates if required. The SMSPortal Team

Connectivity Degradation

Mar <var data-var='date'>12</var>, <var data-var='time'>07:16</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Mar <var data-var='date'>11</var>, <var data-var='time'>20:14</var> CAT Monitoring - We are observing that services have been restored. We will continue to monitor closely while awaiting feedback from Telkom Mobile SA. Mar <var data-var='date'>11</var>, <var data-var='time'>16:49</var> CAT Investigating - Telkom Mobile SA is currently experiencing technical issues and as a result SMS delivery towards Telkom Mobile SA is degraded. Please do not resubmit any messages. Type: Network Outage Impact: Customers may experience irregular delivery with inconsistent delivery times when sending messages to Telkom Mobile SA. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Nov <var data-var='date'> 4</var>, <var data-var='time'>15:06</var> CAT Resolved - We have been informed that the issue was caused by dual-path fibre breaks and it has since been resolved. Our team will continue to monitor the situation closely to ensure everything remains stable. Nov <var data-var='date'> 4</var>, <var data-var='time'>11:44</var> CAT Investigating - Some customers may currently be experiencing intermittent international connectivity issues on the SEACOM network, which could affect access to our platform. Type: Connectivity Degradation Issue Start Time: 04 November 2025 @ 10:20 (UTC+2) Impact: Customers connecting from outside South Africa may experience slower response times or occasional interruptions when accessing our platform. Our team is actively working with SEACOM to identify the root cause and implement any necessary preventative measures. We appreciate your patience and understanding while this is being resolved. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> if you require further information or assistance. The SMSPortal Team

Nov <var data-var='date'> 1</var>, <var data-var='time'>11:09</var> CAT Resolved - Cell C SA experienced technical issues between 09:35 (UTC+2) and 10:54 (UTC+2) on their SMSCs. As a result, SMS delivery towards Cell C SA was degraded during this time. SMSPortal rerouted all possible traffic in order to limit any impact to customers. Type: Network Outage Start: 01 Nov 2025 @ 09:35 (UTC+2) End: 01 Nov 2025 @ 10:54 (UTC+2) Impact: Customers may have experienced irregular delivery with inconsistent delivery times when sending messages to Cell C SA. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Cell C SA

Oct <var data-var='date'>24</var>, <var data-var='time'>18:25</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Oct <var data-var='date'>24</var>, <var data-var='time'>13:45</var> CAT Update - Connectivity remains stable and we’ll continue to monitor closely over the next few hours. Oct <var data-var='date'>24</var>, <var data-var='time'>13:14</var> CAT Monitoring - Some customers may have experienced intermittent connectivity issues affecting access to our platform due to an incident on the SEACOM network. While connectivity has since been restored, we are still awaiting further feedback from SEACOM to confirm the root cause. Type: Connectivity Degradation Issue Start Time: 24 Oct 2025 @ 12:25 (UTC+2) Issue End Time: 24 Oct 2025 @ 13:00 (UTC+2) Impact: Customers may have experienced slower response times or brief interruptions in service. We’ll continue to closely monitor the situation and work with SEACOM’s engineers to identify and address the underlying cause. Thank you for your patience and understanding. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> if you require further information or assistance. The SMSPortal Team

Oct <var data-var='date'>22</var>, <var data-var='time'>20:13</var> CAT Resolved - After extensive monitoring, we believe the issue has been resolved and systems continue to operate as expected. Oct <var data-var='date'>22</var>, <var data-var='time'>16:54</var> CAT Monitoring - Connectivity issues have been resolved and all services are fully operational. Our teams are continuing to investigate the root cause with the data centre engineers to ensure this doesn’t recur. Oct <var data-var='date'>22</var>, <var data-var='time'>16:41</var> CAT Investigating - We’re aware of connectivity issues between two of our core data centres. Our teams are actively investigating and working to restore full stability. Incident Summary: Type: Network Degradation Issue Start Time: 22 Oct 2025 @ 16:22 (UTC+2) Impact: Some customers may experience intermittent connectivity or slower response times on our platform. We sincerely apologise for the disruption and understand the impact this may have. Our engineers are working closely with the data centre teams to resolve the issue as quickly as possible. If you require any further information, assistance, or clarification regarding this incident, please do not hesitate to reach out to our dedicated technical support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>.

Service Degradation - Core Data Centres

Oct <var data-var='date'> 4</var>, <var data-var='time'>23:00</var> CAT Completed - The scheduled maintenance has been completed. Oct <var data-var='date'> 4</var>, <var data-var='time'>20:00</var> CAT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>17</var>, <var data-var='time'>08:33</var> CAT Scheduled - As part of our commitment to maintaining the highest levels of performance, security, and reliability on our platform, we will be conducting routine platform maintenance. Maintenance Schedule: Dates: 4 - 7 October 2025 Time: 20:00 - 23:00 (UTC+2) each evening Maintenance Scope: During this maintenance window we will be performing audits and critical maintenance on our Database Clusters, Firewalls, and Servers. The purpose of this maintenance is to enhance the availability, resilience, and security of our infrastructure, ensuring that we continue to deliver a stable and secure service to our customers. Expected Impact: While we do not anticipate any service interruptions, it is important to note that maintenance activities always carry a small risk of potential service impact. Need Assistance? If you have any concerns or require further information, please do not hesitate to contact our support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. Thank you for your understanding and continued support. The SMSPortal Team

Aug <var data-var='date'> 2</var>, <var data-var='time'>17:53</var> CAT Resolved - We experienced an issue where our time servers fell out of sync, which caused some scheduled outbound messages to be delayed. Our engineers have corrected the issue and all affected messages have now been successfully processed. Type: Outbound Message Delays Impact: A small portion of outbound messages were queued and processed once time synchronisation was restored. We sincerely apologise for any inconvenience this may have caused. Our team is implementing additional safeguards to help prevent similar issues in the future. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Message Delays

May <var data-var='date'>30</var>, <var data-var='time'>15:44</var> CAT Resolved - After extensive monitoring we believe the issue has been fully resolved. A detailed postmortem report outlining the root cause and corrective actions will follow shortly. May <var data-var='date'>30</var>, <var data-var='time'>14:03</var> CAT Monitoring - All services have been restored. We're still investigating the root cause and will provide further details as soon as possible. May <var data-var='date'>30</var>, <var data-var='time'>13:52</var> CAT Investigating - We are actively investigating a connectivity issue affecting one of our core data centres. Incident Summary: Type: Network Outage Issue Start Time: 30 May 2025 @ 13:29 (UTC+2) Impact: Customers may experience intermittent connectivity or slower response times on our platform. We sincerely apologise for the inconvenience and are working urgently to identify and resolve the root cause. Ensuring the stability of our services is our top priority. If you require any further information, assistance, or clarification regarding this incident, please do not hesitate to reach out to our dedicated technical support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. The SMSPortal Team

Service Degradation - Core Data Centre

May <var data-var='date'> 8</var>, <var data-var='time'>14:41</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. May <var data-var='date'> 8</var>, <var data-var='time'>12:05</var> CAT Identified - MTN South Africa is currently experiencing delays in returning delivery receipts (DLRs) for Reverse Billed (FTEU) messaging. Type: DLR Delays Issue Start Time: 8 May 2025 @ 08:10 (UTC+2) Impact: Customers may notice delays in receiving delivery receipts for Reverse Billed (FTEU) messages sent to MTN SA. We appreciate your patience as the operator investigates and works to resolve the issue. Please do not resubmit any potentially affected messages. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

MTN SA - Delay in Delivery Receipts for Reverse Billed (FTEU) Messages

Mar <var data-var='date'>15</var>, <var data-var='time'>23:00</var> CAT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>15</var>, <var data-var='time'>20:00</var> CAT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Feb <var data-var='date'>28</var>, <var data-var='time'>15:31</var> CAT Scheduled - As part of our commitment to maintaining the highest levels of performance, security, and reliability on our platform, we will be conducting routine platform maintenance. Maintenance Schedule: Dates: 15th - 18th March 2025 Time: 20:00 - 23:00 (UTC+2) each evening Maintenance Scope: During this maintenance window, we will be performing audits and critical maintenance on our Database Clusters, Firewalls, and Servers. The purpose of this maintenance is to enhance the availability, resilience, and security of our infrastructure, ensuring that we continue to deliver a stable and secure service to our customers. Expected Impact: While we do not anticipate any service interruptions, it is important to note that maintenance activities always carry a small risk of potential service impact. Need Assistance? If you have any concerns or require further information, please do not hesitate to contact our support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. Thank you for your understanding and continued support. The SMSPortal Team

Mar <var data-var='date'>12</var>, <var data-var='time'>16:32</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Mar <var data-var='date'>12</var>, <var data-var='time'>11:52</var> CAT Monitoring - MTC Namibia have informed us that the issue has been resolved. We will continue to monitor extensively. Mar <var data-var='date'>12</var>, <var data-var='time'>10:35</var> CAT Investigating - We have been informed that MTC Namibia is experiencing network issues. Their team is actively working to restore services as soon as possible. SMSPortal is currently queueing all messages until the issue is resolved. Please do not resubmit any messages as they will be processed once connectivity is restored. Type: Network Outage Issue Start Time: 12 March 2025 @ 09:00 (UTC+2) Impact: Customers may experience irregular delivery with inconsistent delivery times when sending to MTC Namibia. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - MTC Namibia

Feb <var data-var='date'>28</var>, <var data-var='time'>21:17</var> CAT Resolved - SEACOM have informed us that they have made some interventions and the issue is resolved. They will continue to monitor closely for stability. Feb <var data-var='date'>28</var>, <var data-var='time'>20:36</var> CAT Update - We have been informed by SEACOM that the current issue is intermittent and that they are still experiencing service degradation. They are actively investigating the root cause and will continue to provide us with progressive updates. Feb <var data-var='date'>28</var>, <var data-var='time'>19:44</var> CAT Monitoring - Some customers may have experienced international connectivity issues on the SEACOM network affecting access to our platform. While the issue appears to have been resolved, we are still awaiting feedback from our Dedicated Internet Access (DIA) providers to determine the root cause. Type: Connectivity Degradation Issue Start Time: 28 Feb 2025 @ 17:41 (UTC+2) Issue End Time: 28 Feb 2025 @ 18:54 (UTC+2) Impact: Customers connecting from outside South Africa may have experienced intermittent connectivity or increased response times on our platform. We will continue to monitor the situation and work closely with their engineers to uncover the root cause and implement any necessary preventative measures. Thank you for your patience and understanding. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> if you require further information or assistance. The SMSPortal Team

Feb <var data-var='date'>13</var>, <var data-var='time'>09:56</var> CAT Resolved - Our DevOps engineers detected an issue with one of our database servers, which impacted one of our core availability groups. The affected server was promptly removed from the group to restore services. Our sincere apologies for any inconvenience caused. Our team is actively investigating the root cause and implementing preventive measures to mitigate future occurrences. Incident Summary: Type: Outbound SMS Degradation Issue Start Time: 13 Feb 2025 @ 09:08 (UTC+2) Issue End Time: 13 Feb 2025 @ 09:24 (UTC+2) Impact: During the specified timeframe messages were being queued and were processed once services were restored. Some API channels may have rejected messages as an automatic safety measure. If you require any further information, assistance, or clarification regarding this incident, please do not hesitate to reach out to our support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>.

Service Degradation - Outbound SMS

Nov <var data-var='date'> 1</var>, <var data-var='time'>16:37</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Nov <var data-var='date'> 1</var>, <var data-var='time'>13:23</var> CAT Monitoring - We recently identified and resolved an issue impacting inbound MO replies, which temporarily affected the timely processing of some replies. We’ve now cleared the backlog and are actively monitoring our MO queues to ensure continued, seamless performance. Type: MO (Reply) Delays Impact: Customers may have experienced varied receipt times for a portion of MO replies from subscribers. We sincerely apologise for any inconvenience caused. Our team has implemented preventive measures to minimise the likelihood of similar issues in the future. Please contact <a href="mailto:support@smsportal.com">support@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Inbound MOs (Replies)

Oct <var data-var='date'>25</var>, <var data-var='time'>13:24</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Oct <var data-var='date'>25</var>, <var data-var='time'>10:57</var> CAT Monitoring - MTN SA have informed us that the issue has been resolved. We will continue to monitor extensively. Oct <var data-var='date'>25</var>, <var data-var='time'>07:09</var> CAT Investigating - MTN SA are currently experiencing a delay in returning delivery receipts. Type: DLR Delays Impact: Customers may experience delays in delivery receipts when sending towards MTN SA. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please do not resubmit any messages that you believe may be affected. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - MTN SA

Oct <var data-var='date'>19</var>, <var data-var='time'>23:00</var> CAT Completed - The scheduled maintenance has been completed. Oct <var data-var='date'>19</var>, <var data-var='time'>20:00</var> CAT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct <var data-var='date'> 8</var>, <var data-var='time'>13:39</var> CAT Scheduled - As part of our commitment to maintaining the highest levels of performance, security, and reliability on our platform, we will be conducting routine platform maintenance. Maintenance Schedule: Dates: 19th - 22nd October 2024 Time: 20:00 - 23:00 (UTC+2) each evening Maintenance Scope: During this maintenance window, we will be performing audits and critical maintenance on our Database Clusters, Firewalls, and Servers. The purpose of this maintenance is to enhance the availability, resilience, and security of our infrastructure, ensuring that we continue to deliver a stable and secure service to our customers. Expected Impact: While we do not anticipate any service interruptions, it is important to note that maintenance activities always carry a small risk of potential service impact. Need Assistance? If you have any concerns or require further information, please do not hesitate to contact our support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. Thank you for your understanding and continued support. The SMSPortal Team

Oct <var data-var='date'> 2</var>, <var data-var='time'>12:07</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Oct <var data-var='date'> 2</var>, <var data-var='time'>11:53</var> CAT Investigating - Vodacom SA is currently experiencing a technical issue on one of their SMSCs. SMSPortal have rerouted all traffic in order to limit any impact to customers. Type: Network Outage Incident Start Time: 2 October 2024 @ 10:45 (UTC+2) Impact: Customers may experience irregular delivery with inconsistent delivery times when sending messages to Vodacom SA. We appreciate your patience while the operator works to resolve the issue, and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Service Degradation - Vodacom SA

Sep <var data-var='date'>20</var>, <var data-var='time'>10:52</var> CAT Resolved - Services have been restored and MTN SA have confirmed that the issue has been resolved. Sep <var data-var='date'>20</var>, <var data-var='time'>09:02</var> CAT Investigating - MTN SA is currently experiencing service degradation on their SMSCs. SMSPortal have rerouted all traffic in order to limit any impact to customers. Type: Mobile Network Operator Impact: Customers may experience irregular delivery with inconsistent delivery times when sending messages to MTN SA. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

Aug <var data-var='date'>14</var>, <var data-var='time'>13:18</var> CAT Resolved - We are aware of an issue that caused our FTP, HTTP and Web Services APIs to return a 503 error response. The issue has been resolved and our team is actively working on preventative measures to ensure the stability of this service moving forward. Incident Summary: Type: API Degradation (FTP, HTTP & Web Services) Issue Start Time: 14 August 2024 @ 11:30 (UTC+2) Issue End Time: 14 August 2024 @ 12:32 (UTC+2) Impact: During the specified timeframe, customers might have experienced 503 error responses from our FTP, HTTP and Web Services APIs. We understand the inconvenience this may have caused and sincerely apologise for any disruptions to your operations. If you require any further information, assistance, or clarification regarding this incident, please do not hesitate to reach out to our dedicated technical support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. The SMSPortal Team

Service Degradation - APIs

Jul <var data-var='date'>26</var>, <var data-var='time'>17:36</var> CAT Resolved - We are aware of an issue that caused slower response times on our REST API channel. The issue has been resolved, and our team is investigating measures to prevent future occurrences of this nature. Incident Summary: Type: REST API Degradation Issue Start Time: 26 Jul 2024 @ 17:01 (UTC+2) Issue End Time: 26 Jul 2024 @17:20 (UTC+2) Impact: During the specified timeframe, customers might have experienced increased response times via our REST API endpoints. We understand the inconvenience this may have caused and sincerely apologise for any disruptions to your operations. If you require any further information, assistance, or clarification regarding this incident, please do not hesitate to reach out to our dedicated technical support team at <a href="mailto:help@smsportal.com">help@smsportal.com</a>. The SMSPortal Team

Service Degradation - REST API

Jul <var data-var='date'>23</var>, <var data-var='time'>16:56</var> CAT Resolved - After extensive monitoring we believe this issue to be resolved. Jul <var data-var='date'>23</var>, <var data-var='time'>14:20</var> CAT Monitoring - Services and connectivity have been restored to the affected SMSC. We will continue to monitor extensively. Jul <var data-var='date'>23</var>, <var data-var='time'>08:11</var> CAT Investigating - Vodacom SA is currently experiencing an technical issue on one of their SMSCs. SMSPortal have rerouted all traffic in order to limit any impact to customers. Type: Network Outage Impact: Customers may experience irregular delivery with inconsistent delivery times when sending messages to Vodacom SA. We appreciate your patience while the operator works to resolve the issue and we will keep you updated. Please contact <a href="mailto:help@smsportal.com">help@smsportal.com</a> should you require further information or assistance. The SMSPortal Team

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Service Degradation - Telkom Mobile SA

Service Degradation - Platform Connectivity

Platform Maintenance

SMSPortal Services, Components and Regions

Recent SMSPortal events

Service Degradation - Telkom Mobile SA

Service Degradation - Platform Connectivity

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Service Degradation - Telkom Mobile SA

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