Dynamic Tel is a form tag added by Contact Form 7 – Dynamic Text Extension (DTX) that creates <input type="tel"> form fields for forms created with Contact Form 7. These fields allow input for telephone numbers. It expands upon Contact Form 7’s telephone number form tag, accepting all of the options it does, along with these additional options introduced by DTX:
| Option | Description | Example |
|---|---|---|
| Dynamic value | Set a dynamic default value. It can be static text or a shortcode. The value is shown in the form tag between quotes. | [dynamic_tel inputname "CF7_get_current_user key='phone'"] |
| Cache Compatible | Enable cache compatibility mode for this field | [dynamic_tel inputname dtx_pageload] |
These settings are easily configurable using the form-tag generator.

The dynamic_tel form tag was introduced in version 4.0.0 of theย Contact Form 7 โ Dynamic Text Extensionย WordPress plugin.