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Telnyx

Delayed delivery of 10DLC SMS messages to AT&T destinations

Partial outage Lasted 1d 1h · 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 1d 1h it lasted.

    Anything that failed between 2026-10-06 17:38 UTC and 2026-10-07 19:30 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

Our team is working with our downstream partner and AT&T to identify the cause and restore normal processing.
Read the postmortem

Updates from Telnyx 3

  1. investigating

    We are investigating delays in the delivery of SMS messages sent over 10DLC long code numbers to AT&T subscribers, beginning October 6 at around 15:00 UTC. Messages are being accepted but may be delivered later than expected to AT&T handsets. Messages to other carriers are not affected. Our team is working with our downstream partner and AT&T to identify the cause and restore normal processing. We will provide further updates as more information becomes available.

    provider

  2. monitoring

    Message processing has returned to normal, and all queued messages have been delivered. SMS messages sent over 10DLC long code numbers to AT&T subscribers are now being delivered without delay. We are continuing to monitor traffic closely while our downstream partner and AT&T complete their investigation into the root cause. We will post a final update once the incident is resolved.

    provider

  3. resolved

    Message processing has returned to normal, and all queued messages have been delivered. SMS messages sent over 10DLC long code numbers to AT&T subscribers continue being delivered without delay after monitoring period.

    provider

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Corrections

None so far.

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Questions about DWN-04a4289741

Is Telnyx still down?

No, this incident was resolved 2026-10-07 19:30 UTC. For Telnyx's live state, see https://down.guide/telnyx.

How long did it last?

1d 1h, from 2026-10-06 17:38 UTC to 2026-10-07 19:30 UTC, by the times Telnyx posted.

What was affected?

Telnyx named NORAM.

What caused it?

Telnyx wrote: "Our team is working with our downstream partner and AT&T to identify the cause and restore normal processing." The postmortem: https://status.telnyx.com/incidents/01M494R618XA43M57FD9HH3SSG

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.