Outbound Call Signing Affected

Resolved

Twilio Outbound call signing was degraded for 1 minute between 5:01 and 5:02 and 1 minute between 06:01 and 06:02 Pacific Time on 09/15/2025. During these periods customers may have experienced "32021 -SHAKEN/STIR call verification failed" errors. The issue has now been resolved