Create a small script for calling , that call with a real phone number also have caller id with all functions for professional PHP

<?php
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://rest.nexmo.com/call/json");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);

curl_setopt($ch, CURLOPT_POST, TRUE);

curl_setopt($ch, CURLOPT_POSTFIELDS, "{
  \"api_key\": \"API_KEY\",
  \"api_secret\": \"API_SECRET\",
  \"to\": [{
    \"type\": \"phone\",
    \"number\": \"TO_NUMBER\"
  }],
  \"from\": {
    \"type\": \"phone\",
    \"number\": \"FROM_NUMBER\"
  },
  \"answer_url\": [\"ANSWER_URL\"]
}");

curl_setopt($ch, CURLOPT_HTTPHEADER, array(
  "