High Filtering On SMS Towards AT&T Network In United States

Status: Resolved Impact: Minor Affected components: Programmable Messaging - SMS; Carrier Network - SMS Long Code, North America; Carrier Network - SMS Short Code, North America; Carrier Network - SMS Toll-Free, North America

Incident updates (chronological)

Investigating — Oct 27, 2021, 05:47 PDT We are experiencing high filtering on SMS towards AT&T network in Unites states. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Investigating — Oct 27, 2021, 06:46 PDT We are experiencing high filtering on SMS towards AT&T network in United States. Our engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Monitoring — Oct 27, 2021, 07:50 PDT We are observing recovery with high filtering on SMS towards AT&T network in the United States. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Identified — Oct 27, 2021, 09:18 PDT We are experiencing filtering on SMS towards AT&T network in United States. We have seen recovery for short codes and long codes, but are continuing to see some increased filtering for toll-free. Our engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

Identified — Oct 27, 2021, 10:50 PDT We are observing recovery with high filtering on SMS towards AT&T network in the United States for all senders. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Monitoring — Oct 27, 2021, 12:31 PDT We are observing recovery with high filtering on SMS towards AT&T network in the United States for all senders. 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.

Resolved — Oct 27, 2021, 14:24 PDT We are no longer experiencing high filtering on SMS towards AT&T network in the United States for all senders. This incident has been resolved.