We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a scheduled maintenance on MMS platform at the times specified below.
Type: Maintenance - MMS Start Time: 2026-06-11 08:00 UTC End Time: 2026-06-11 09:30 UTC
Impact MMS: MT and MO MMS messages for certain US Tier3 operators may be temporarily queued and processed once the migration is complete. Additionally, there might be a minimal loss of DLRs for affected operators during the traffic switch-over.
We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly.
Please contact support@sinch.com should you require further information or assistance.
Posted May 28, 2026 - 11:39 UTC
This scheduled maintenance affects: External Connectivity (MMS - US).