---
page_type: error
code: 22105
message: "22105: Invalid URL format"
level: ERROR
product: Phone Numbers
---

## Error - 22105

#### Invalid URL Format

You attempted to configure your hosted number, but the URL you specified was not valid.

#### Possible Causes

- Invalid URL provided for phone number configuration (SmsUrl, SmsFallbackUrl, VoiceUrl, VoiceFallbackUrl).

- Invalid URL provided for status callback configuration (StatusCallbackUrl).

#### Possible Solutions

Make sure you submit a fully qualified URL including:

- protocol (http:// or https://)

- hostname

- file path

- properly url-encoded query parameters

Twilio must be able to reach this URL over the public Internet.