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

        Incident Report for Twilio

        Update

        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.
        Posted Feb 02, 2026 - 01:39 PST

        Update

        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.
        Posted Feb 01, 2026 - 01:32 PST

        Update

        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.
        Posted Jan 31, 2026 - 01:24 PST

        Update

        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.
        Posted Jan 30, 2026 - 01:31 PST

        Update

        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.
        Posted Jan 29, 2026 - 01:31 PST

        Update

        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.
        Posted Jan 28, 2026 - 01:16 PST

        Update

        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.
        Posted Jan 27, 2026 - 01:31 PST

        Update

        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.
        Posted Jan 26, 2026 - 01:34 PST

        Update

        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.
        Posted Jan 25, 2026 - 01:31 PST

        Update

        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.
        Posted Jan 24, 2026 - 01:38 PST

        Update

        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.
        Posted Jan 23, 2026 - 00:29 PST

        Update

        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.
        Posted Jan 21, 2026 - 23:50 PST

        Update

        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.
        Posted Jan 21, 2026 - 23:41 PST

        Update

        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.
        Posted Jan 21, 2026 - 16:11 PST

        Update

        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.
        Posted Jan 20, 2026 - 15:57 PST

        Update

        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.
        Posted Jan 20, 2026 - 12:48 PST

        Update

        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.
        Posted Jan 19, 2026 - 12:53 PST

        Update

        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.
        Posted Jan 17, 2026 - 21:09 PST

        Update

        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.
        Posted Jan 16, 2026 - 20:05 PST

        Update

        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.
        Posted Jan 15, 2026 - 20:16 PST

        Update

        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.
        Posted Jan 14, 2026 - 20:17 PST

        Update

        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.
        Posted Jan 14, 2026 - 01:58 PST

        Update

        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.
        Posted Jan 13, 2026 - 01:58 PST

        Update

        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.
        Posted Jan 12, 2026 - 01:59 PST

        Update

        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.
        Posted Jan 11, 2026 - 01:59 PST

        Update

        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.
        Posted Jan 10, 2026 - 02:16 PST

        Update

        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.
        Posted Jan 09, 2026 - 10:25 PST

        Update

        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.
        Posted Jan 09, 2026 - 02:22 PST

        Update

        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.
        Posted Jan 08, 2026 - 22:34 PST

        Update

        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.
        Posted Jan 08, 2026 - 20:34 PST

        Investigating

        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.
        Posted Jan 08, 2026 - 19:21 PST
        This incident affects: CARRIER NETWORK (SMS, APAC, MMS, APAC).