Twilio · Apps and SaaSDec 4, 2025, 22:54 UTC

SMS Delivery Delays and Failures to China Unicom in China

MinorNot disclosedUpdated 47d ago

Dec 4, 22:54 UTCDec 5, 00:21 UTC

Duration

1h 27m

Impact

Minor

Root cause

Not disclosed

Twilio, 90 days

548 incidents

Affected

Not listed by the vendor.

Status page

Final update

China SMS is a Twilio Best Effort destination. We will continue investigation, however resolve the status post per the information in the following post: https://www.twilio.com/en-us/guidelines/cn/sms

Timeline

Resolved · Dec 5, 00:21 UTC
China SMS is a Twilio Best Effort destination. We will continue investigation, however resolve the status post per the information in the following post: https://www.twilio.com/en-us/guidelines/cn/sms

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