# 21219: 'To' phone number not verified

Log Level: ERROR

## Description

You attempted to initiate an outbound phone call from a trial account, but the 'To' number you specified is not a verified number for your account. In order to make calls during a free trial, you must first verify your ownership of the phone number being called.

You can verify phone numbers from the [phone numbers section](/user/account/phone-numbers) of your account portal.