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Outage in Zipwhip

Voice Call Failures and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in Argentina

Resolved Minor
September 14, 2026 - Started about 20 hours ago - Lasted about 13 hours
Official incident page

Incident Report

Summary AI Generated

A subset of Twilio phone numbers experienced voice call failures, silent audio, and one-way audio when connecting to subscribers across multiple networks in Argentina. The incident lasted approximately 12.8 hours before a recovery was observed and confirmed. The issue was fully resolved with voice calls returning to normal operation.

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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Latest Updates ( sorted recent to last )
RESOLVED about 7 hours ago - at 09/15/2026 04:47AM

The incident has been resolved and voice calls between a subset of Twilio Phone Numbers and network subscribers in Argentina are operating normally.

MONITORING about 8 hours ago - at 09/15/2026 03:55AM

We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Argentina and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED about 13 hours ago - at 09/14/2026 11:14PM

Twilio customers may be experiencing voice call failures and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Argentina. 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.

IDENTIFIED about 14 hours ago - at 09/14/2026 09:53PM

Twilio customers may be experiencing voice call failures and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Argentina. 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.

IDENTIFIED about 17 hours ago - at 09/14/2026 07:13PM

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.

IDENTIFIED about 19 hours ago - at 09/14/2026 05:13PM

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.

IDENTIFIED about 20 hours ago - at 09/14/2026 04:12PM

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.

INVESTIGATING about 20 hours ago - at 09/14/2026 04:00PM

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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