Telnyx incident

MMS Delivery Delays to AT&T Destinations

Major Resolved

Telnyx experienced a major incident on September 23, 2026, lasting 3h 12m. The incident has been resolved; the full update timeline is below.

Started
Sep 23, 2026, 04:42 PM UTC
Resolved
Sep 23, 2026, 07:54 PM UTC
Duration
3h 12m
Detected by Pingoru
Sep 23, 2026, 04:42 PM UTC

Update timeline

  1. 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.

  2. 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.