We are writing to inform you that AT&T - US is conducting a maintenance on their platform at the times specified below.
Type: Scheduled Maintenance
Start Time: 2021-11-18 03:00 UTC
End Time: 2021-11-18 15:00 UTC
Impact: Clients may potentially experience MT, DLR and MO delays or failures for US Short Code and 10DLC on AT&T - US.
On behalf of AT&T - US we appreciate your patience and apologize for any inconvenience during this maintenance period.
If for any reason the maintenance is extended or cancelled we will advise you accordingly.
Please contact firstname.lastname@example.org
should you require further information or assistance.