private String url = "http://api.mobilesms.vn:8208/sendmt?wsdl";
	private String username;
	private String password;
	private String serviceId;
	private MessageFactory factory;
	private String namespace = "http://service.gateway.com/xsd";

	@Override
	public void sendSMS(String phone, String content) throws Exception {
		SOAPMessage soapMsg = createSOAPMessage(phone, content);
		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
		soapMsg.writeTo(outputStream);
		String data = new String(outputStream.toByteArray());
		HttpResponse<String> response = Unirest.post(url).header("Content-Type", "text/xml").body(data).asString();
		String bodyResponse = response.getBody();
		getLogger().info("NganTra response: {}", bodyResponse);
	}

	@Override
	public void init(PuObject config) {
		this.url = config.getString("nganTraUrl", url);
		this.username = config.getString("nganTraUsername", "trungduc");
		this.password = config.getString("nganTraPassword", "Trungduc@123!@#");
		this.serviceId = config.getString("nganTraServiceId", "Verify");
		try {
			factory = MessageFactory.newInstance();
		} catch (SOAPException e) {
			getLogger().error("error when create message factory", e);
		}

	}

	private SOAPMessage createSOAPMessage(String phone, String content) throws SOAPException {
		SOAPMessage soapMsg = factory.createMessage();
		SOAPPart part = soapMsg.getSOAPPart();
		SOAPEnvelope envelope = part.getEnvelope();
		SOAPBody body = envelope.getBody();
		envelope.addNamespaceDeclaration("xs", namespace);
		envelope.setPrefix("soapenv");
		body.setPrefix("soapenv");
		SOAPHeader header = envelope.getHeader();
		header.setPrefix("soapenv");
		SOAPBodyElement element = body.addBodyElement(envelope.createName("contentRequest", "xs", namespace));
		element.setPrefix("xs");
		envelope.removeNamespaceDeclaration("SOAP-ENV");
		element.addChildElement("username", "xs").addTextNode(username);
		element.addChildElement("password", "xs").addTextNode(password);
		element.addChildElement("serviceId", "xs").addTextNode(serviceId);
		element.addChildElement("receiver", "xs").addTextNode(phone);
		element.addChildElement("content", "xs").addTextNode(content);
		element.addChildElement("isUnicode", "xs").addTextNode("0");
		element.addChildElement("transId", "xs").addTextNode(UUID.randomUUID().toString());

		soapMsg.saveChanges();
		return soapMsg;
	}