Outage in Zipwhip

A Subset of RCS Message Delivery Receipts are Failing

Resolved Minor
October 23, 2025 - Started about 19 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Our monitoring systems have detected a potential issue AT&T RCS Delivery Receipts Delays. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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Latest Updates ( sorted recent to last )
RESOLVED about 16 hours ago - at 10/23/2025 10:32PM

Our engineering team has determined the RCS delivery reports are(and were) working correctly. RCS messaging logs are correct and are properly updated by carrier delivery reports. This incident has been resolved.

INVESTIGATING about 18 hours ago - at 10/23/2025 09:17PM

We are experiencing failures in receiving a subset of message delivery reports when sending RCS messages, which causes the message log status to be SENT or DELIVERY_UNKNOWN for messages that were delivered to destination devices. Our engineers are investigating the issue and reaching out to our carrier partners. We expect to provide another update in 2 hour or as soon as more information becomes available.

INVESTIGATING about 19 hours ago - at 10/23/2025 08:15PM

We are experiencing failures in receiving message delivery reports when sending to RCS messages. 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 about 19 hours ago - at 10/23/2025 07:44PM

Our monitoring systems have detected a potential issue AT&T RCS Delivery Receipts Delays. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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