# Twilio: MMS Delivery Failures From A Subset Of Network Subscribers In Australia To Twilio Australia Phone Numbers - Impact (vendor’s label): minor - Status: resolved - Started: 2026-10-23 08:36 UTC · Resolved: 2026-10-23 08:36 UTC · Duration: 0 min - Updates: 51 · Affected components: CARRIER NETWORK - MMS, APAC, MMS, APAC - [Vendor status page: https://status.twilio.com/incidents/s8jpzd7tz8zq](https://status.twilio.com/incidents/s8jpzd7tz8zq) - [Company: Twilio](https://rewindex.com/company/twilio.md) ## Timeline of updates - **investigating** 2026-09-04 09:43 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. - **identified** 2026-09-04 11:02 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available. - **investigating** 2026-09-04 13:19 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available. - **investigating** 2026-09-04 18:04 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available. - **identified** 2026-09-05 02:20 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available. - **investigating** 2026-09-05 18:23 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-06 18:24 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-07 19:09 UTC: Twilio customers may be experiencing MMS delivery delays from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-11 02:05 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-11 03:08 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available. - **investigating** 2026-09-11 05:09 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available. - **investigating** 2026-09-11 09:12 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available. - **investigating** 2026-09-11 18:08 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 16 hours or as soon as more information becomes available. - **investigating** 2026-09-11 23:44 UTC: We are continuing to investigate this issue. - **investigating** 2026-09-11 23:44 UTC: We are continuing to investigate this issue. - **investigating** 2026-09-11 23:45 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available. - **investigating** 2026-09-11 23:45 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 16 hours or as soon as more information becomes available. - **investigating** 2026-09-12 10:11 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-13 10:14 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-14 10:15 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-15 10:15 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-16 10:18 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-17 10:22 UTC: Twilio customers may be experiencing MMS delivery failures from a Subset of network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-18 11:00 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-19 11:01 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-20 11:57 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-21 11:59 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-22 12:01 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to  Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-23 15:03 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to  Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-24 15:07 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to  Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-25 15:21 UTC: Twilio customers may be experiencing MMS Delivery Failures from a Subset of Network subscribers in Australia to  Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-26 15:42 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-27 15:45 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-28 15:47 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-29 20:08 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-09-30 21:33 UTC: Twilio customers may be experiencing MMS delivery failures from Telstra network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-01 23:00 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-02 23:44 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-03 23:46 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-04 23:47 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-06 02:28 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-07 03:28 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-08 03:57 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-09 04:17 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-10 04:20 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-11 04:33 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-12 05:48 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-13 05:40 UTC: Twilio customers may be experiencing MMS delivery failures from a subset of network subscribers in Australia to a subset of Twilio Australia Phone Numbers. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-14 06:13 UTC: Our team continues to investigate MMS delivery issues from a subset of Australian network subscribers to Twilio Australia Phone Numbers. Media within our documented limit (\<1MB) is delivering as intended. Media exceeding 1MB is processed on a best-effort basis and may encounter delays, delivery failures, or duplicate messages. We recommend keeping all attachments under 1MB. We will provide another update in 24 hours or as soon as more information becomes available. - **investigating** 2026-10-14 07:19 UTC: Our team continues to investigate MMS delivery issues from a subset of Australian network subscribers to Twilio Australia Phone Numbers. Media within our documented limit (\<1MB) is delivering as intended. Media exceeding 1MB is processed on a best-effort basis and may encounter delays, delivery failures, or duplicate messages. We recommend keeping all attachments under 1MB. We will provide another update in 24 hours or as soon as more information becomes available. - **resolved** 2026-10-23 08:36 UTC: This incident has been resolved. MMS delivery from Australian network subscribers to Twilio Australia Phone Numbers is operating as expected within documented specifications. Media attachments under 1MB continue to deliver normally. Attachments exceeding 1MB remain subject to carrier constraints and best-effort delivery. We recommend keeping all media payloads under 1MB to ensure consistent delivery. --- Canonical: https://rewindex.com/company/twilio/incidents/s8jpzd7tz8zq · Markdown: https://rewindex.com/company/twilio/incidents/s8jpzd7tz8zq.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/s8jpzd7tz8zq · Generated 2026-10-24T11:11:30.302Z