Segment: Mandatory 10DLC Registration is leading to many customers SMS messages not sending
Timeline of updates
- resolved
As communicated via email, the deadline for 10DLC registration was 8/31, after which, unregistered A2P 10DLC numbers have been blocked. If you are seeing unsent messages, especially with error code 30034, this may be the cause. You can check the 10DLC status for your SMS numbers in your Twilio console here: https://console.twilio.com/us1/develop/phone-numbers/manage/incoming/a2p-compliance/status (opens in new tab) You can also read more about how to register your numbers with 10DLC here: https://pages.twilio.com/10DLC-HelpArticles-WW.html?utm_source=CustomerComms&utm_medium=email&utm_campaign=SS10DLC (opens in new tab)
From Segment’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.segment.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Segment, started 2023-08-31 07:00 UTC, resolved after 0 min, 1 update(s).
- Title
- Mandatory 10DLC Registration is leading to many customers SMS messages not sending
- Vendor
- Segment
- Date
- URL
- https://rewindex.com/company/segment/incidents/vll80d7psmdg
Segment profileRecent Segment incidentsAll outages on August 31, 2023Segment in August 2023MarkdownJSON