CrmManager::getContactPhoneFormat

private function getContactPhoneFormat(int $contactId)
{
	$phones = CCrmFieldMulti::GetEntityFields(
		'CONTACT',
		$contactId,
		'PHONE',
		true,
		false
	);
	$phone = current($phones);
	if (!is_array($phone))
	{
		return '';
	}

	return $phone['VALUE'];
}