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Outage in Zipwhip

Call Quality Issue To and From a Subset of Twilio Phone Numbers in Taiwan

Resolved Minor
December 29, 2025 - Started 4 months ago - Lasted 9 days
Official incident page

Incident Report

Our monitoring systems have detected a potential issue for Call Quality To and From a Subset of Twilio Phone Number in Taiwan. Our Engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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Latest Updates ( sorted recent to last )
RESOLVED 3 months ago - at 01/06/2026 09:43PM

The call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan has been resolved and the service is operating normally at this time.

MONITORING 3 months ago - at 01/06/2026 06:24PM

We have started seeing recovery for call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. We will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 3 months ago - at 01/06/2026 03:51PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 01/05/2026 03:24PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 01/04/2026 03:24PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 01/03/2026 03:24PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 01/02/2026 03:25PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 01/01/2026 03:25PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/31/2025 03:26PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/30/2025 03:26PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/29/2025 11:28PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 16 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/29/2025 03:30PM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/29/2025 11:33AM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/29/2025 09:32AM

We continue to investigate call quality issues to and from a subset of Twilio's Phone Numbers in Taiwan. Our engineering team is working with our carrier partners to resolve this. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 4 months ago - at 12/29/2025 08:32AM

Our monitoring systems have detected a potential issue for Call Quality To and From a Subset of Twilio Phone Number in Taiwan. Our Engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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