---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/32401#article
headline: "32401: BYOC Trunk routing failure - failover to Twilio default routing."
url: https://www.twilio.com/docs/api/errors/32401
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 32401: BYOC Trunk routing failure - failover to Twilio default routing.

Log Type: APPLICATION

Log Level: WARNING

## Description

Call delivery attempt(s) over the specified BYOC Trunk did not succeed. Failover to Twilio default routing took place.

### Possible causes

Twilio encountered errors communicating with your SIP communications infrastructure.

### Possible solutions

Look for errors with error code [32011](/docs/api/errors/32011), Error communicating with your SIP communications infrastructure, and follow instructions.