Outage in Zipwhip

SMS Delivery Delays to Multiple Small Networks in the United States for a Subset of Short Codes and Long Codes

Resolved Minor
September 23, 2025 - Started 3 days ago - Lasted about 20 hours
Official incident page

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Outage Details

We are experiencing SMS delivery delays when sending messages to Altice in United States of America. 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.
Latest Updates ( sorted recent to last )
RESOLVED 2 days ago - at 09/24/2025 02:28AM

We are no longer experiencing SMS delivery delays when sending messages to Multiple Small Networks in the United States for a Subset of Short Codes and Long Codes. This incident has been resolved.

MONITORING 2 days ago - at 09/24/2025 12:28AM

We are observing recovery in SMS Delivery Delays to Multiple Small Networks in the United States for a Subset of Short Codes and Long Codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 09/24/2025 12:00AM

We continue to observe SMS delivery delays when sending messages to small networks in the United States in a subset of short codes and long codes. 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 2 days ago - at 09/23/2025 10:08PM

We continue to observe SMS delivery delays when sending messages to small networks in the United States in a subset of short codes and long codes. 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 2 days ago - at 09/23/2025 08:27PM

We continue to observe SMS delivery delays when sending messages to small networks in the United States in a subset of short codes and long codes. 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 2 days ago - at 09/23/2025 06:24PM

We continue to observe SMS delivery delays when sending messages to small networks in the United States in a subset of short codes and long codes. 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 2 days ago - at 09/23/2025 05:19PM

We are observing degradation over additional small networks in the United States in a subset of short codes and long codes. 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.

INVESTIGATING 2 days ago - at 09/23/2025 04:30PM

We are observing SMS delivery report delays when sending messages to Altice in United States of America. 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 2 days ago - at 09/23/2025 04:07PM

We continue to observe SMS delivery delays when sending messages to Altice in United States of America. 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 2 days ago - at 09/23/2025 02:38PM

We are again observing SMS delivery delays when sending messages to Altice in United States of America. 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.

MONITORING 3 days ago - at 09/23/2025 01:46PM

We are observing recovery in SMS delivery delays when sending messages to Altice in United States. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 3 days ago - at 09/23/2025 09:37AM

We are still experiencing SMS delivery delays when sending messages to Altice in United States of America. 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 3 days ago - at 09/23/2025 07:48AM

We are still experiencing SMS delivery delays when sending messages to Altice in United States of America. 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 3 days ago - at 09/23/2025 06:53AM

We are experiencing SMS delivery delays when sending messages to Altice in United States of America. 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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