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SMS Delivery Failures to AT&T over a Subset of Long Code
Incident
Report for Twilio
Resolved
Between 10:40am and 12:57pm Pacific Time on 06/09/2021, Twilio observed elevated SMS delivery failures from a subset of Twilio long codes to US AT&T network. Our engineering team worked with our carrier partner to resolve the issue.
This incident affected: CARRIER NETWORK (SMS Long Code, North America).
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