Αποστολή μαζικής φωνής με C Sharp

// Asign vars
var data = new NameValueCollection();
data["class"] = "voice";
data["method"] = "sendvoicetogroup";
data["user"] = "user";
data["password"] = "password";
data["from"] = "34900000000";
data["countrycode"] = "34";
data["idgroup"] = "1";
data["message"] = "sms+test";
data["language"] = "en";
data["voice"] = "Joanna";
data["scheduledatetime"] = "";
data["output"] = "";

// Create Web client 
var wb = new WebClient();

// Execute POST petition
var response = wb.UploadValues("https://www.afilnet.com/api/http/", "POST", data);

// Get response
string responseString = Encoding.UTF8.GetString(response);

// Asign vars
var data = new NameValueCollection();
data["class"] = "voice";
data["method"] = "sendvoicetogroup";
data["from"] = "34900000000";
data["countrycode"] = "34";
data["idgroup"] = "1";
data["message"] = "sms+test";
data["language"] = "en";
data["voice"] = "Joanna";
data["scheduledatetime"] = "";
data["output"] = "";

// Create Web client 
var wb = new WebClient { Credentials = new NetworkCredential("user", "password") };

// Execute POST petition
var response = wb.UploadValues("https://www.afilnet.com/api/http/", "POST", data);

// Get response
string responseString = Encoding.UTF8.GetString(response);

String afilnet_class="voice";
String afilnet_method="sendvoicetogroup";
String afilnet_user="user";
String afilnet_password="password";
String afilnet_from="34900000000";
String afilnet_countrycode="34";
String afilnet_idgroup="1";
String afilnet_message="sms+test";
String afilnet_language="en";
String afilnet_voice="Joanna";
String afilnet_scheduledatetime="";
String afilnet_output="";
	
// Allow SSL/TLS config
System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

// We create the webservice instance (Register Web Service first in project)
var service = new WebService.ApplicationServicesPortTypeClient();

// Call to WebService method
String response = service.call(afilnet_user, afilnet_password, afilnet_class, afilnet_method, "{\"from\":\""+afilnet_from+"\",\"countrycode\":\""+afilnet_countrycode+"\",\"idgroup\":\""+afilnet_idgroup+"\",\"message\":\""+afilnet_message+"\",\"language\":\""+afilnet_language+"\",\"voice\":\""+afilnet_voice+"\",\"scheduledatetime\":\""+afilnet_scheduledatetime+"\",\"output\":\""+afilnet_output+"\"}");