Twilio: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
Affected components: CARRIER NETWORK - MMS Long Code, North AmericaMMS Long Code, North AmericaMMS Long Code, North AmericaZIPWHIP MESSAGING - MMS Long Code, North America
Timeline of updates
- investigating
Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified
Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified
Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified
Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified
Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
- monitoring
We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Changes Rewindex caught on this incident
- Incident updated: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
- Incident updated: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
- Incident updated: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
- Incident updated: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
- Incident updated: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States
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 these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
64e5dcaee2121ba0…Version 2 captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
feb0f2c0376fa4b1…Version 3 captured
In the 2026-10-26 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
1b1522d9e608abf3…
Rewindex captured a newer version after the last checkpoint; the next run () commits it.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).