Telnyx incident
MMS Delivery Delays to AT&T Destinations
Resolved after 3 hours 12 minutes, on September 23, 2026.
MMS delivery to AT&T destinations from 10DLC long codes returned to normal latency as of 18:30 UTC. Messages delayed during the incident were ultimately delivered; no resend is required.
Update timeline
- investigating Sep 23, 2026, 04:42 PM UTC
We are investigating delayed MMS delivery to AT&T destinations. Messages are being delivered, but with delays. SMS to AT&T and MMS to other carriers are unaffected. We are working with our downstream partner to identify the cause of the delay.
- resolved Sep 23, 2026, 07:54 PM UTC
MMS delivery to AT&T destinations from 10DLC long codes returned to normal latency as of 18:30 UTC. Messages delayed during the incident were ultimately delivered; no resend is required.
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