> ## Documentation Index
> Fetch the complete documentation index at: https://docs-dev.setoo.work/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Caller ID Verification

> Verify a number before using it as caller ID

Some destinations require the `from` number to be verified before it can be used
as caller ID on outbound calls.

<Steps>
  <Step title="Add the number">
    Go to **Phone Numbers → Verify a Number** and enter the number to verify.
  </Step>

  <Step title="Answer the verification call">
    You'll receive an automated call with a code — enter it in the dashboard.
  </Step>

  <Step title="Use it as caller ID">
    Once verified, pass it as the `from` field in
    [Make phone call](/docs/api-reference/calls/make-phone-call).
  </Step>
</Steps>