Outage in Zipwhip

MMS Delivery Delays to Cingular Wireless (AT&T) in United States of America via Subset of Longcodes

Resolved Minor
October 29, 2025 - Started 1 day ago - Lasted about 9 hours
Official incident page

Incident Report

We are experiencing MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/29/2025 09:15PM

We are no longer experiencing MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America. This incident has been resolved.

MONITORING 1 day ago - at 10/29/2025 06:50PM

We are observing recovery in MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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.

MONITORING 1 day ago - at 10/29/2025 04:59PM

We are observing recovery in MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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.

MONITORING 1 day ago - at 10/29/2025 02:50PM

We are observing recovery in MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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.

MONITORING 1 day ago - at 10/29/2025 12:52PM

We are observing recovery in MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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 1 day ago - at 10/29/2025 12:08PM

We are experiencing MMS delivery delays when sending messages to Cingular Wireless (AT&T) in United States of America via a subset of longcodes. 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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