Twilio - Voice Call Audio Quality Degradation between a Subset of Twilio Phone Numbers and T-Mobile in United States

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.

Twilio has observed a recovery in voice calls between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

Twilio has observed a recovery in voice calls between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Twilio has observed a recovery in voice calls between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

Twilio has observed a recovery in voice calls between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Twilio has observed a recovery in voice calls between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 10 hours or as soon as more information becomes available.

Twilio customers may be experiencing voice call audio quality degradation between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States. The Twilio engineering 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.

Twilio customers may be experiencing voice call audio quality degradation between a subset of Twilio Phone Numbers and T-Mobile network subscribers in the United States. The Twilio 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.

We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.