# Voice Call Audio Quality Degradation between a Subset of Twilio Phone Numbers and Multiple Networks in Australia and New Zealand

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 13h 3m
- started 2026-03-23 15:26 UTC
- PSTN AU1
- au
- id: DWN-d37b993509
- Official page: https://stspg.io/xzp8v99dxdy5

## Updates from Twilio
### 2026-03-23 15:26 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation between a subset of Twilio Australia Phone Numbers and network subscribers in Australia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-03-23 16:16 UTC: identified
Twilio customers may be continuing to experience voice call audio quality degradation between a subset of Twilio Australia Phone Numbers and network subscribers in Australia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-23 17:59 UTC: identified
Twilio customers may be continuing to experience voice call audio quality degradation between a subset of Twilio Australia Phone Numbers and network subscribers in Australia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-23 19:54 UTC: identified
Twilio customers may be continuing to experience voice call audio quality degradation between a subset of Twilio Australia Phone Numbers and network subscribers in Australia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

### 2026-03-23 20:54 UTC: identified
Twilio customers may be continuing to experience voice call audio quality degradation between network subscribers in Australia and New Zealand and a subset of Twilio Australia and New Zealand phone numbers. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

### 2026-03-24 00:38 UTC: monitoring
We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Australia and New Zealand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-24 02:20 UTC: monitoring
We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Australia and New Zealand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-24 04:29 UTC: resolved
The incident has been resolved and voice calls between a subset of Twilio Phone Numbers and affected network subscribers in Australia and New Zealand are operating normally.

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