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Twilio: Outbound Call Failures when Caller ID is set to anonymous

MinorStatus: resolvedStarted Resolved (22 h)1 updatestatus.twilio.com (opens in new tab)

Timeline of updates

  1. resolved

    We are continuing to work with T-Mobile to resolve failing outbound calls made with the Caller ID set to anonymous. We will be reaching out to impacted customers with a solution. This incident is resolved.

From Twilio’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.twilio.com (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2020-03-26 21:40 UTC, resolved after 22 h, 1 update(s).

Title
Outbound Call Failures when Caller ID is set to anonymous
Vendor
Twilio
Date
URL
https://rewindex.com/company/twilio/incidents/fgylwpqrwczs

Twilio profileRecent Twilio incidentsAll outages on March 26, 2020Twilio in March 2020MarkdownJSON