public function getActivatedPhoneNumbers()
{
Piwik::checkUserIsNotAnonymous();
$phoneNumbers = $this->retrievePhoneNumbers();
$activatedPhoneNumbers = array();
foreach ($phoneNumbers as $phoneNumber => $verificationCode) {
if (self::isActivated($verificationCode)) {
$activatedPhoneNumbers[] = $phoneNumber;
}
}
return $activatedPhoneNumbers;
}