Between 07:00 and 10:00 am (UTC) on 4th of April 2019, the carrier will be performing maintenance on their SMS platform.
Impacted Carrier(s): AT&T USA
Impact Scope: Standard Rate SMS MT Shortcodes
Start: 2019-04-04 07:00:00 UTC
End: 2019-04-04 10:00:00 UTC
During the maintenance period, portion of MT SMS Shortcode messages on the affected carrier are being delayed.
Please note that SMS MO and SMS messages sent to and from Long Codes or Toll Free Numbers are not affected by this issue.
Messages will be queued by the carrier for delivery once the maintenance has been completed. Please contact firstname.lastname@example.org
if you have any questions.