SpeedSMSAPI api = new SpeedSMSAPI("Your access token");
String phone = "849xxxxxxx";
String content = "Hello";
try {
	String result = api.sendSMS(phone, content, 2, "");
	System.out.println(result);
} catch (IOException e) {
	e.printStackTrace();
}

SpeedSMSAPI api = new SpeedSMSAPI("Your api access token");
String[] phones = new String[] { "09xxxxxxx" };
String content =   "Hello";
String response = api.sendSMS(phones, str, 2, "");
Console.WriteLine(response);