Optus SMS Outage History

Optus SMS had 7 outages in the last 2 years totaling 150h 44m of downtime — averaging 0.3 incidents per month.

There were 7 Optus SMS outages since July 5, 2025 totaling 150h 44m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.sms.optus.com.au

Minor May 8, 2026

Degraded Performance

Detected by Pingoru: May 08, 2026, 01:34 AM UTC
Resolved: May 08, 2026, 03:13 AM UTC
Duration: 1h 38m

Affected: Campaign ManagerMobile StudioWeb2SMSMobile ReportCompany Admin

Timeline · 5 updates

investigating May 08, 2026, 01:34 AM UTC

We are currently investigating an issue affecting Optus SMS Suite website. Some users may experience slow loading times or intermittent 504 Gateway Timeout errors. Our team is working to identify the cause and restore normal performance as quickly as possible. We will provide further updates as more information becomes available. Regards, Optus SMS Support Team
investigating May 08, 2026, 01:52 AM UTC

We are continuing to investigate this issue.
monitoring May 08, 2026, 01:53 AM UTC

A fix has been implemented and we are monitoring the results.
monitoring May 08, 2026, 01:53 AM UTC

We have identified and mitigated the cause of the earlier issue affecting access to the web application, where some users experienced slow loading times and intermittent 504 Gateway Timeout errors. Mitigation changes have been applied and platform performance has returned to normal. Messaging APIs and message delivery services were not impacted during this incident. We are continuing to monitor the platform closely. If you experience any further issues, please contact us at [email protected]. Regards, Optus SMS Support Team
resolved May 08, 2026, 03:13 AM UTC

The earlier issue affecting access to the Optus SMS Suite web application has now been resolved. Messaging APIs and message delivery services were not impacted during this incident. We will continue to review additional preventative measures as part of our post-incident follow-up. If you experience any further issues, please contact us at [email protected]. Regards, Optus SMS Support Team

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Notice March 27, 2026

Delayed delivery - SMS Messages

Detected by Pingoru: Mar 27, 2026, 12:13 AM UTC
Resolved: Mar 27, 2026, 01:13 AM UTC
Duration: 1h

Affected: Campaign ManagerAustraliaMobile StudioRest of the WorldMobile Gateway (API)Two Factor AuthenticationSingle Sign On (SSO)Email2SMSSubscriptionsWeb2SMSSending HoursMobile ReportCompany Admin

Timeline · 3 updates

investigating Mar 27, 2026, 12:13 AM UTC

We are experiencing delays in SMS message delivery, we are investigating the cause of the delay and will work to remedy the issue as soon as possible. Messages will queue within our systems for delivery once any queues have cleared. A further update will be posted shortly. Regards, Optus SMS Support Team
monitoring Mar 27, 2026, 12:52 AM UTC

The issue causing delays in message delivery has been resolved, queued messages have now been sent and delivery has returned to normal levels. If you are still experiencing issues please contact the support team. Regards, Optus SMS Support Team
resolved Mar 27, 2026, 01:13 AM UTC

We are happy to report that messages have continued to flow normally, and we are now resolving this incident. Regards, Optus SMS Support Team

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Minor February 26, 2026

Campaign Manager – Large Campaign Processing Delays

Detected by Pingoru: Feb 26, 2026, 01:07 AM UTC
Resolved: Mar 02, 2026, 11:05 PM UTC
Duration: 4d 21h

Affected: Campaign Manager

Timeline · 4 updates

investigating Feb 26, 2026, 01:07 AM UTC

We are currently investigating an issue affecting some large Campaign Manager sends, where campaigns may pause during processing and not progress as expected. A temporary workaround (pausing and resuming the campaign) is available while we investigate the root cause. Our technical team is actively working to identify and resolve the underlying issue. We will provide further updates as our investigation progresses. If you are experiencing related issues or require assistance, please contact us at [email protected].
monitoring Feb 27, 2026, 01:49 AM UTC

We have identified the cause of the issue affecting some large Campaign Manager sends, where campaigns may pause during processing. Mitigation changes have been deployed to production to reduce the likelihood of campaigns becoming stuck. We are continuing to monitor the platform closely. If you experience any further issues, please contact us at [email protected].
monitoring Feb 27, 2026, 01:51 AM UTC

We are continuing to monitor for any further issues.
resolved Mar 02, 2026, 11:05 PM UTC

The issue affecting some large Campaign Manager sends has been mitigated. Changes have been deployed to production to reduce the likelihood of campaigns becoming stuck, and an automated monitoring process has been implemented to detect and safely resume stalled campaigns where required. We have not observed any new instances since the mitigation was applied and will continue to monitor performance. If you experience any further issues, please contact us at [email protected].

Read the full incident report →

Minor February 9, 2026

Delivery Issue Australia - Telstra

Detected by Pingoru: Feb 09, 2026, 02:56 AM UTC
Resolved: Feb 09, 2026, 03:11 AM UTC
Duration: 14m

Affected: Australia

Timeline · 3 updates

investigating Feb 09, 2026, 02:56 AM UTC

We are investigating a delivery issue via Telstra Australia. Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts If you are experiencing any issues please reach out to us. Regards, Modica Support Team [email protected]
monitoring Feb 09, 2026, 03:04 AM UTC

We have not detected any delivery issues to Telstra through our connections.
resolved Feb 09, 2026, 03:11 AM UTC

We have observed no issues in our Telstra traffic. If you have any issues reach out to our support team. Regards, Modica Support Team [email protected]

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Notice October 15, 2025

Campaign Manager - Upload List Error - Work-around available

Detected by Pingoru: Oct 15, 2025, 06:07 PM UTC
Resolved: Oct 16, 2025, 09:25 PM UTC
Duration: 1d 3h

Affected: Campaign Manager

Timeline · 4 updates

investigating Oct 15, 2025, 06:07 PM UTC

We are aware of an issue with our Campaign Manager application. Customers may be receiving errors when trying to upload a list while creating a new campaign, "An error has occurred creating quick campaign!" Work-around; Please note that Lists can still be uploaded in the Lists tab in the application and can then be used when creating a new campaign. Our Dev team are investigating, we will post again once we have any updates Regards, Optus SMS Support Team
identified Oct 15, 2025, 10:29 PM UTC

Our team have identified the cause of the issue and are working to resolve it. Please continue to use the work-around i.e. please upload your Campaign List in the Lists tab prior to creating your campaigns. Anyone using existing lists will not be affected by todays issue. Regards, Optus SMS Support Team
monitoring Oct 16, 2025, 12:02 AM UTC

Our Technical team have implemented a fix and we have successfully tested uploading lists to Campaign Manager when creating a new Campaign. Clients are once again able to upload their Campaign List in the same step as creating the Campaign, or, you can upload the list first and then use the existing list when creating future Campaigns. We appreciate your patience and hope the workaround didn't cause you any inconvenience while we worked to resolve this issue. Please contact support if you're still experiencing issues. Regards, Optus SMS Support Team
resolved Oct 16, 2025, 09:25 PM UTC

We have seen no further issues and are resolving this incident.

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Notice October 15, 2025

API Messaging Outage

Detected by Pingoru: Oct 15, 2025, 04:12 AM UTC
Resolved: Oct 15, 2025, 04:48 AM UTC
Duration: 36m

Affected: Campaign ManagerMobile Gateway (API)Email2SMSWeb2SMS

Timeline · 2 updates

monitoring Oct 15, 2025, 04:12 AM UTC

Hello Team, Our engineering and development teams have deployed a fix for the issue affecting message delivery. Both production environments are now operational, and normal message flow has resumed. Outage Duration: 16:22 – 16:52 NZDT (UTC+13) 14:22 – 14:52 AEDT (UTC+11) There was no message loss during this period; messages were only subject to delayed processing. We continue to monitor the system to ensure stability. Kind regards, Modica Support Team.
resolved Oct 15, 2025, 04:48 AM UTC

Hello Team, We are now resolving this incident as there have been no further issues identified since the fix was deployed. Message delivery has continued without interruption. Outage Duration: 16:22 – 16:52 NZDT (UTC+13) 14:22 – 14:52 AEDT (UTC+11) There was no message loss during the outage window, only delayed processing. Continuous monitoring has confirmed that all systems are operating normally. Kind regards, Modica Support Team

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Minor July 5, 2025

SMS Suite Outage

Detected by Pingoru: Jul 05, 2025, 10:03 AM UTC
Resolved: Jul 05, 2025, 12:00 PM UTC
Duration: 1h 57m

Affected: Mobile Gateway (API)Optus SMS Suite Service Desk

Timeline · 5 updates

investigating Jul 05, 2025, 10:03 AM UTC

We are aware of an issue with our SMS Suite service. Customers using API products will also be affected. We continue to investigate and a further update will be posted in 30 minutes. Regards, Optus SMS Support Team
investigating Jul 05, 2025, 10:03 AM UTC

We are continuing to investigate this issue.
investigating Jul 05, 2025, 10:45 AM UTC

We are continuing to investigate this issue.
monitoring Jul 05, 2025, 11:16 AM UTC

We are pleased to inform customers that our Optus SMS Suite service has been restored and SMS messages are flowing again. Optus SMS Suite became unavailable at 19:40 AEST (09:40 UTC) and was back online at approx 21:08 AEST (11:08 UTC) We apologise for any inconvenience this outage may have caused your business today, our team is continuing to investigate and resolve the cause of this incident. If you continue to experience issues - please contact our support team. We will continue to monitor the system and will resolve this incident once we are happy that all systems are stable and SMS traffic continues to flow normally. If you require further information, please contact our support team. Regards, Optus SMS Suite Support Team [email protected]
resolved Jul 05, 2025, 12:00 PM UTC

We are pleased to inform customers that our Optus SMS Suite service has remained stable and all messages have continued to flow normally since this issue was resolved at 21:08 AEST (11:08 UTC) If you have continued to experience issues or if you require further information, please contact our support team. Regards, Optus SMS Suite Support Team [email protected]

Read the full incident report →