Send/Receive SMS With D-Link GSM-Modem?

Feb 8, 2012

I want to write a Solution with VB.Net for Receive "Users" requests and Send specified information to

them with SMS.I use D-Link GSM-Modem (Model:DWM-156).

This model/type of GSM-Modem, has embeded Driver and a Application for Sending/Receiving SMS.on it, and also we can attach MicroSD to the Device. 1-Send/Receive with GSM-Modem and D-Link's application :

when i attach GSM-Modem to USB port, D-Link' app , run automatically , then I heared noises on my Speaker, like when turn on a Mobile. I think this Signals "Hand Shake" with My GSM-Network.


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Receive Data From Serial Port Link To Itegno Modem W3800

Sep 17, 2009

I am wondering is there any code to get the text reply from the modem? I am using the itegno W3800 modem. I have used the below method so far but apparently VB.NET windows form doesnt see the incoming data. The message box comes out empty. But when i try the same method with the TMAS Siemens GSM modem, VB.NET can see the incoming data and display out the data string.

here is the code that i have written:

serialPort.Write("AT" & vbCrLf) 'set command message format to text mode(1)
receiveddata = serialPort.ReadExisting()
it works for the TMAS gsm modem.

The baud rate for the TMAS GSM modem is 9600 and the baud rate for the itegno modem is 115200.

For the itegno modem, the data is sort of like stuck at the serial port as after every time i pressed on the button for example "AT"

this "AT" command gets "stuck" at the serialport and run only when i have connected through the serial port in hyper terminal.

I am thinking is it the baud rate for 115200 is too fast for VB to handle? And also is there any way to solve this problem?

i have to revert back to the itegno modem for use for my project at the end of the day.

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Communications :: Create An Application That Can Receive/send SMS Using GSM Modem

Apr 9, 2010

I have to create an application that can receive/send SMS using GSM Modem.

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Receive Msg From GSM Modem?

Nov 5, 2009

Imports System
Imports System.IO.Ports
Public Class Form1


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Receive SMS Using GSM Modem?

Sep 15, 2009

I am working on a program to poll SMSes automatically, i am using the serialPort_DataReceived event to detect any SMSes coming through the serialPort

Private Sub serialPort_DataReceived( _
ByVal sender As Object, _
ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) _
Handles serialPort.DataReceived

but the message i received does not contains the full information, may i know that if there is any other received data event that can be used to receive data coming through the serial port which can better receive data from a gsm modem?

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Receive Incoming SMS Messages Via Gsm Modem In Program?

Jul 21, 2009

I am working on an assignment whereby i am requested to receive incoming messages via a gsm modem, i have tried to do so by writing at commands to the serial port where the gsm modem is connected to but there's one specific line which gives me error when i tried writing it to the serial port, (AT+CMGL= "ALL") which returns me an error: CMS ERROR: 305 which means Invalid Text mode parameter The following is the codes i have done up to so far, can anyone tell me what is the correct way to write this specific line to the serial port or is there any other methods that is able to do the same thing?[code]...

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Send SMS Using Modem?

May 11, 2012

I am trying to implement automated sms(Short Msg ) system.I implemented sms receiving part.but I could't send a sms as reply.

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Send Sms Via GPRS Modem With .net?

Jul 7, 2009

I need to send sms via GPRS Modem with

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Send SMS Via GSM Modem From .net Application?

Jan 6, 2011

I want to send SMS Via GSM Modem from application I write code But it is not working .

Here is Code below :

Public Class Form1
Private SMSEngine As SMSCOMMS
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click


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Make A Program To Send Sms Using Gsm Modem?

Jan 28, 2011

I want to make a program to send sms using gsm modem .. but i don't know how can i start .

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Send / Rcv Msgs Using GSM Modem RS232

Mar 20, 2012

I am using a GSM modem RS232 where a sim is inserted. I want to write a VB.NET application so that i can send or rcv messages using the modem. How to proceed for same?

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Send Sms By Using Asus T500 Modem?

Feb 12, 2011

I want to send sms using my application by using my Asuse T500 GSM Modem.

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Send Image From Computer Connected To GSM Modem To A Mobile

Jul 29, 2009

how to use at commands in and how to send image from computer connected to GSM modem to a mobile using

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Simple Chatting Software Which Will Use Wireless Modem To Send And Retrieve Data

Jun 11, 2011

i need help to do a simple chatting software which will use my wireless modem to send and retrive data.i must create a program something like MSN messenger.

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Receive And Send Packets?

Jul 25, 2009

Since a few months I want to learn how to receive and send packets. Since WinSock doesn't work I think it'll be quite hard to get an easy way to do it.

I want to be able to send and get packets as a client. (TCP) I know that I need System.Net.Sockets, and that's quite everything...

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Send And Receive Params?

Jan 11, 2009

I was going over the Screen Saver Tutorial for VB Express 2005 and i Noticed How the Screen Saver app excepts params at startup... and depending on the startup param it will display the screen saver or the options form... lets say that i want to start up a screen saver from my program, how would i send it to the screen saver to display the options form the param is "/p" or something.

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Send And Receive Pictures?

Mar 11, 2010

I have a program that is meant to send and receive pictures. There are two parts, client and server, the server sending pictures, and client receiving.the server needs to send it across the internet, then the client needs to receive and show the image in a picture box.

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Send N Receive Sms Via GSM Mobile?

Jun 18, 2009

how i send and recive sms through GSM like mobils using the AT command. have any api or control for it

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.net - Send And Receive A Large Image Using Tcp?

Dec 19, 2010

I need to send and receive a large image between programs running on different machines within the same network.

I've looked at using upd however ran into problems with the size of the packets and
(after breaking the image into smaller pieces to get past this problem) the number of packets needing to be processed all at once - and ultimately packet loss.

I've also thought of sending the image by storing it in a common file folder and receiving it by using file watcher as a trigger. However, this just adds further complexities in setup where common folders don't already exist.

Assuming I'm barking up the right tree looking at tcp, can someone point me to/provide an example of how to send an image file using it ( would be ideal). Also, are there practical limits to tcp package sizes?

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.NET Socket Send & Receive Not Matching?

Feb 29, 2012

I have these following lines to send bytes using socket

Dim server As New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
Dim myIp As IPAddress = IPAddress.Parse("myIP")
Dim ip As New IPEndPoint(myIp, Int32.Parse("myPort"))


As in the code, I am supposed to retrieved "Halo". Instead I keep receiving sth like "[]".

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Asynchronous To Send/receive From A Website?

Jan 24, 2011

I'm using asynchronous to send/receive from a website I want to block the BeginGetRequestStream method which I have done, using

WaitEvent.WaitOne(1000 * 20, false);

the problem is that it blocks the UI, which I thought it did not so it basically works like GetRequestStream which does block the UI.

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Create A Program To Send And Receive Sms?

Apr 12, 2008

Do you know how to create a program to send and receive sms and call from PC from and or to any devices?

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Error Tcp Send Receive Application

Jun 2, 2011

I have created an application which listens for strings being sent to my pc from a remote unit. I now need to add the function of sending strings back to the remote unit on a button press. I've searched for ages to find a solution but I'm not knowledgeable enough yet with to solve this solution.

I'm getting the error with the line opensock2 = New IO.StreamWriter(client.GetStream) saying its not connected. So I seem to need to pass the connection from the background worker to the button click, or have it somewhere else in the code to make it accessible. [Code]

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How To Receive N Send Sms W/o Human Interaction

May 30, 2009

as above how to do that man? I will also want to extract the information to be sent from the database. An example of what i am going to do is something like this:


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See How Much Bytes Did An Application Receive And Send

Mar 14, 2010

I didn't found any performance counter that would monitor an process's/thread's network bandwidth and not just that of an ethernet card.

So I could see how much bytes did an application receive and send.

Did I miss something or is there another way?

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Send / Receive Image Via Sockets

Feb 21, 2011

I want to send image from server to client via .net Sockets and assign it to a picturebox. but I got problem in receiving data, it's 'Server' side code:


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Send And Receive An Xml String Asynchronously?

Oct 23, 2010


Now i need to do a few hundred/thousand requests all at the same time or atleast over a short period. I am assuning i need to do this asynchronously. I have looked all over the net and tested various ways to communicate asynchronously and am pretty stumped. None of the examples out there seem to explain how i receive the xml return as a string ("which i will write to file or db")

Does anyone have any working code to do such a process?

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Send And Receive Data Through Sockets?

Dec 3, 2008

I'm completely new to sockets etc.I'm trying to create an app that'll allow someone to send short information messages to several other people with the same app, using the internet and sockets(?)I've tried using code from online, but I'm getting no where.

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Send And Receive Data Through USB Port?

Jan 24, 2008

I am trying to send and receive data through a USB port on my computer to an external microcontroller.

I built most of the code using the "serial class" but then i read that this would not work with a USB port.

How would I go about communicating with this USB port on my computer?

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Send And Receive File With IO.Ports?

Apr 27, 2006

How Can send And receive File with SerialPort in 2005 i use this sample code for sending string , and now i will know how can send any File by serialport click here there are no sample code in microsoft site i Use "Virtual Serial Ports Driver XP " to Test my sample how can use the Zmodem , Ymodem ,Xmodem , etc in by serialport ?

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