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Telnyx

MMS Delivery Delays to AT&T Destinations

Partial outage Lasted 3h 12m · started · Telnyx's page

Level
confirmed
Worst impact
Partial outage
Components
NORAM

What to do

  • Check whether you use Telnyx NORAM. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 3h 12m it lasted.

    Anything that failed between 2026-09-23 16:42 UTC and 2026-09-23 19:54 UTC may need a replay.
  • Subscribe to Telnyx's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=telnyx works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Root cause

We are working with our downstream partner to identify the cause of the delay.
Read the postmortem

Updates from Telnyx 2

  1. investigating

    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.

    provider

  2. resolved

    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.

    provider

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Corrections

None so far.

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Questions about DWN-8f52b8e932

Is Telnyx still down?

No, this incident was resolved 2026-09-23 19:54 UTC. For Telnyx's live state, see https://down.guide/telnyx.

How long did it last?

3h 12m, from 2026-09-23 16:42 UTC to 2026-09-23 19:54 UTC, by the times Telnyx posted.

What was affected?

Telnyx named NORAM.

What caused it?

Telnyx wrote: "We are working with our downstream partner to identify the cause of the delay." The postmortem: https://status.telnyx.com/incidents/01M37JATD5FD76Z3NB5SA52994

Where does this come from?

Telnyx's official status page, https://status.telnyx.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.