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Outage in Zipwhip

SMS Delivery Report Delays When Sending to Union Telecom Network in United States From a Subset of Shortcodes

Resolved Minor
February 05, 2026 - Started 2 months ago - Lasted about 14 hours
Official incident page

Incident Report

We are experiencing delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes. 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.

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Latest Updates ( sorted recent to last )
RESOLVED 2 months ago - at 02/06/2026 08:34AM

The issue with delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes has been resolved, the service is operating normally at this time.

MONITORING 2 months ago - at 02/06/2026 06:46AM

We are observing recovery in receiving message delivery reports from Union Telecom Network in United States from a subset of short 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 months ago - at 02/06/2026 01:31AM

We are still experiencing delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING 2 months ago - at 02/05/2026 09:37PM

We are still experiencing delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes. Our engineers are working 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.

INVESTIGATING 2 months ago - at 02/05/2026 07:37PM

We are still experiencing delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes. Our engineers are working 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.

INVESTIGATING 2 months ago - at 02/05/2026 07:05PM

We are experiencing delays in receiving message delivery reports from Union Telecom Network in United States from a subset of shortcodes. 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.

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