Bandwidth: Outbound MMS Delays - T-Mobile
Affected components: MMS Messaging (MM4)United States Messaging Services - MMS Messaging (MM4)
Timeline of updates
- investigating
Bandwidth teams are investigating outbound messages towards T-Mobile destinations. These messages are delayed in delivery.
- monitoring
Teams are observing expected messaging delivery. We will monitor for stability.
- resolved
This incident has been resolved.
- postmortem
Bandwidth has concluded its investigation of this issue and determined that between 20:00 UTC and 23:55 UTC on October 13th, outbound 10DLC MMS traffic to T-Mobile and Verizon experienced intermittent delivery delays. Due to the limited scope of impact, Bandwidth is closing this incident and this will be the extent of the information we will provide for this issue. If you have any questions, please contact us through the Bandwidth support portal. We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured 17:33 UTC
In the 2026-10-19 checkpoint, timestamped by FreeTSA and DigiCert on Oct 20, 00:41 UTC. Record hash
5e15346dc3c7d519…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).