def METHOD_NAME(sms_settings=None):
	if not sms_settings:
		sms_settings = frappe.get_doc("SMS Settings", "SMS Settings")
	headers = {"Accept": "text/plain, text/html, */*"}
	for d in sms_settings.get("parameters"):
		if d.header == 1:
			headers.update({d.parameter: d.value})
	return headers