Please be advised we have received the following notification from O2 regarding planned maintenance impacting their PSMS platform on the below date and time.
Maintenance Details: Change Window: 23/09/2026 22:00 (pm UK time) – 24/09/2026 06:00 (am UK time)
Impact: There will be outage from 22:00 to 00:00 including rollback during which SMSC - (Mobile Terminating (MT) Premium Text messaging service) will be unavailable.
What can we tell you about this: The activity will take place overnight during the maintenance window. This will impact the PSMS platform which will see a delay with PSMS MT.
Please note, every effort will be made to mitigate the effect on our customers experience during the work but a service outage is expected.
If you have any questions please contact your account manager
Kind regards,
Fonix Operations Team
Posted Sep 21, 2026 - 14:53 BST
This scheduled maintenance affects: Premium SMS Gateway.