SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender Type to China Mobile China

Final update

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to China Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

1. Identified · Oct 9, 10:25 UTC
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to China Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
2. Identified · Oct 9, 08:05 UTC
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
3. Identified · Oct 9, 07:05 UTC
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
4. Investigating · Oct 9, 06:42 UTC
   Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.