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Voice Call Failures from a Subset of Twilio Phone Numbers to Hong Kong

Minor Impact Resolved Duration: 16d 14h 48m September 12, 2026
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Current answer

SendGrid experienced a minor incident: Voice Call Failures from a Subset of Twilio Phone Numbers to Hong Kong. ServiceAlert observed recovery on Sep 28, 2026.

Official SendGrid status page Current SendGrid status ServiceAlert observed status change:

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Incident Lifecycle

Investigating Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Identified Monitoring Monitoring Monitoring Monitoring Monitoring Monitoring Monitoring Monitoring Monitoring
Affected Components
Voice, APAC

Incident Timeline

Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 28, 2026 at 11:26 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 27, 2026 at 11:13 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 26, 2026 at 11:08 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 25, 2026 at 11:01 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 24, 2026 at 11:00 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.
Sep 23, 2026 at 6:59 PM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
Sep 23, 2026 at 10:59 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
Sep 23, 2026 at 6:59 AM UTC
Monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Sep 23, 2026 at 4:58 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 22, 2026 at 7:48 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 21, 2026 at 7:47 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 20, 2026 at 7:41 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 19, 2026 at 7:40 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 18, 2026 at 7:34 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 17, 2026 at 7:34 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 16, 2026 at 7:33 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 15, 2026 at 7:33 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 14, 2026 at 7:32 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
Sep 13, 2026 at 7:31 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
Sep 12, 2026 at 3:31 PM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
Sep 12, 2026 at 7:30 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. 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.
Sep 12, 2026 at 3:25 AM UTC
Identified
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Hong Kong. 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.
Sep 12, 2026 at 1:25 AM UTC
Identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. 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.
Sep 12, 2026 at 12:24 AM UTC
Investigating
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Sep 12, 2026 at 12:16 AM UTC
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