How to create an SMS gateway?

Question

I know there are lots of 3rd party sites to send bulk SMS via the internet, but if I wanted to create one myself, how would I go about it? I know how to create an SMS gateway us

Answer 1

it can be done in Two Ways 1)GSM modem 2)http (service provider)(Faster than Modem)

I have used http://www.ozekisms.com/ gateway Service

C# Code to send Http Request and how to add User name and Password IP address and Port.

Refer this Code hope will help you out.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SMSClient;

namespace SMSDemoConsole
{
    class Program
    {
        private static void WriteEvent(String myEvent)
        {
            Console.WriteLine(myEvent);
        }

        #region Events
        static void mySMSClient_OnMessageReceived(object sender, DeliveryEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + "Message received. Sender address: " + e.Senderaddress + " Message text: " + e.Messagedata + "\r\n");
        }

        static void mySMSClient_OnMessageDeliveryError(object sender, DeliveryErrorEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + "Message could not be delivered. ID: " + e.Messageid + " Error message: " + e.ErrorMessage + "\r\n");
        }

        static void mySMSClient_OnMessageDeliveredToHandset(object sender, DeliveryEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + "Message delivered to handset. ID: " + e.Messageid + "\r\n");
        }

        static void mySMSClient_OnMessageDeliveredToNetwork(object sender, DeliveryEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + "Message delivered to network. ID: " + e.Messageid + "\r\n");
        }

        static void mySMSClient_OnMessageAcceptedForDelivery(object sender, DeliveryEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + "Message accepted for delivery. ID: " + e.Messageid + "\r\n");
        }

        static void mySMSClient_OnClientConnectionError(object sender, ErrorEventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " " + e.ErrorMessage + "\r\n");
        }

        static void mySMSClient_OnClientDisconnected(object sender, EventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " Disconnected from the SMS gateway " + "\r\n");
        }

        static void mySMSClient_OnClientConnected(object sender, EventArgs e)
        {
            WriteEvent(DateTime.Now.ToString() + " Successfully connected to the SMS gateway " + "\r\n");
        }
        #endregion

        static void Main(string[] args)
        {
            ozSMSClient mySMSClient = new ozSMSClient();
            mySMSClient.OnClientConnected += new SimpleEventHandler(mySMSClient_OnClientConnected);
            mySMSClient.OnClientDisconnected += new SimpleEventHandler(mySMSClient_OnClientDisconnected);
            mySMSClient.OnClientConnectionError += new ErrorEventHandler(mySMSClient_OnClientConnectionError);
            mySMSClient.OnMessageAcceptedForDelivery += new DeliveryEventHandler(mySMSClient_OnMessageAcceptedForDelivery);
            mySMSClient.OnMessageDeliveredToNetwork += new DeliveryEventHandler(mySMSClient_OnMessageDeliveredToNetwork);
            mySMSClient.OnMessageDeliveredToHandset += new DeliveryEventHandler(mySMSClient_OnMessageDeliveredToHandset);
            mySMSClient.OnMessageDeliveryError += new DeliveryErrorEventHandler(mySMSClient_OnMessageDeliveryError);
            mySMSClient.OnMessageReceived += new DeliveryEventHandler(mySMSClient_OnMessageReceived);

            mySMSClient.Username = "admin";
            mySMSClient.Password = "abc123";
            mySMSClient.Host = "127.0.0.1";
            mySMSClient.Port = 9500;

            mySMSClient.Connected = true;

            mySMSClient.sendMessage("+44987654", "TEST", "vp=" + DateTime.Now + "&ttt=werwerwe rewwe34232 1");


            Console.ReadKey();
            mySMSClient.Connected = false;
        }
    }
}

Thanks.