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Outage in Twilio

SMS and MMS Delivery Delays To and From a Subset of Twilio Phone Numbers in Australia

Minor
January 09, 2026 - Started 23 days ago
Official incident page

Incident Report

We are currently observing latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, APAC Twilio MMS, APAC

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Latest Updates ( sorted recent to last )
INVESTIGATING about 2 hours ago - at 02/01/2026 09:32AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 01/31/2026 09:24AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 01/30/2026 09:31AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 3 days ago - at 01/29/2026 09:31AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 days ago - at 01/28/2026 09:16AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 5 days ago - at 01/27/2026 09:31AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 and 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 6 days ago - at 01/26/2026 09:34AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 7 days ago - at 01/25/2026 09:31AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 8 days ago - at 01/24/2026 09:38AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 9 days ago - at 01/23/2026 08:29AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.

For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.

We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 10 days ago - at 01/22/2026 07:50AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.


For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.


We have identified that the primary cause of this latency is an ongoing undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 10 days ago - at 01/22/2026 07:41AM

We continue to observe latency in SMS and MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However, the actual SMS and MMS are being delivered on time.



For the SMS and MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.



We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 10 days ago - at 01/22/2026 12:11AM

We have confirmed that this incident is impacting SMS and MMS Delivery Report delays when sending messages to and from a subset of Twilio phone numbers in Australia rather than SMS and MMS message delivery when sending messages to and from a subset of Twilio phone numbers in Australia, and we can confirm that SMS and MMS delivery is operating normally; delayed delivery reports may be more noticeable during peak traffic in Australia between 14:00–20:00 PST. Our investigation indicates the primary contributor is an ongoing undersea cable fault causing increased latency, and our engineers are working closely with our carrier partner to mitigate the impact and restore normal delivery report timing. We will provide another update within 24 hours, or sooner if more information becomes available.

INVESTIGATING 11 days ago - at 01/20/2026 11:57PM

We have confirmed that this incident is impacting SMS and MMS Delivery Report delays when sending messages to and from a subset of Twilio phone numbers in Australia rather than SMS and MMS message delivery when sending messages to and from a subset of Twilio phone numbers in Australia, and we can confirm that SMS and MMS delivery is operating normally; delayed delivery reports may be more noticeable during peak traffic in Australia between 14:00–20:00 PST. Our investigation indicates the primary contributor is an ongoing undersea cable fault causing increased latency, and our engineers are working closely with our carrier partner to mitigate the impact and restore normal delivery report timing. We will provide another update within 24 hours, or sooner if more information becomes available.

INVESTIGATING 12 days ago - at 01/20/2026 08:48PM

We have confirmed that this incident is impacting MMS Delivery Report delays when sending messages to and from a subset of Twilio phone numbers in Australia rather than MMS message delivery when sending messages to and from a subset of Twilio phone numbers in Australia, and we can confirm that MMS delivery is operating normally; delayed delivery reports may be more noticeable during peak traffic in Australia between 14:00–20:00 PST. Our investigation indicates the primary contributor is an ongoing undersea cable fault causing increased latency, and our engineers are working closely with our carrier partner to mitigate the impact and restore normal delivery report timing. We will provide another update within 24 hours, or sooner if more information becomes available.

INVESTIGATING 13 days ago - at 01/19/2026 08:53PM

We have confirmed that this incident is impacting MMS Delivery Report delays when sending messages to and from a subset of Twilio phone numbers in Australia rather than MMS message delivery when sending messages to and from a subset of Twilio phone numbers in Australia, and we can confirm that MMS delivery is operating normally; delayed delivery reports may be more noticeable during peak traffic in Australia between 14:00–20:00 PST. Our investigation indicates the primary contributor is an ongoing undersea cable fault causing increased latency, and our engineers are working closely with our carrier partner to mitigate the impact and restore normal delivery report timing. We will provide another update within 24 hours, or sooner if more information becomes available.

INVESTIGATING 14 days ago - at 01/18/2026 05:09AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 15 days ago - at 01/17/2026 04:05AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 16 days ago - at 01/16/2026 04:16AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 17 days ago - at 01/15/2026 04:17AM

We continue to observe latency in MMS delivery reports sent from a subset of Twilio phone numbers in Australia to network subscribers, specially during the peak traffic between 14:00 until 20:00 PST. However the actual MMS are being delivered on time.



For the MMS from network subscribers to a subset of Twilio phone numbers in Australia, we are observing delivery delays.



We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 18 days ago - at 01/14/2026 09:58AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 19 days ago - at 01/13/2026 09:58AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 20 days ago - at 01/12/2026 09:59AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 21 days ago - at 01/11/2026 09:59AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 22 days ago - at 01/10/2026 10:16AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 01/09/2026 06:25PM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have also identified MMS delivery failures to and from the impacted subset of Twilio Numbers in Australia. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 01/09/2026 10:22AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 01/09/2026 06:34AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 01/09/2026 04:34AM

We continue to observe latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 01/09/2026 03:21AM

We are currently observing latency in MMS delivery when sending messages to and from a subset of Twilio phone numbers in Australia specially during the Australia peak traffic between 14:00 until 20:00 PST. We have identified that the primary cause of this latency is an on-going undersea cable fault. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

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