SMS through VB.Net Application

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Hi all,
Regarding SMS, through VB.net application, how can we send the SMS where a SMS device is Connected to USB Port. Anybody having the information please let me know?

Posted 28-Dec-10 19:04pm

surabhikalra

Updated 28-Dec-10 19:12pm

Abhinav S

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Abhinav S · Answer 1 · 2010-12-28T19:12:00

Solution 1

Links -
Using VB.NET to Encode SMS and EMS[^]
vb.net AT commands to send SMS[^]
sending sms with GSM Modem in vb.net[^]

Posted 28-Dec-10 19:12pm

Abhinav S

Comments

thatraja 29-Dec-10 2:18am

Good answer abhinav

yaprig · Answer 2 · 2010-12-28T19:18:00

TRY this..

VB

Dim SMSEngine As New SMSCOMMS("COM4")

'the port needs to be initialised

SMSPort = New SerialPort
        With SMSPort
            .PortName = COMMPORT
            .BaudRate = 19200
            .Parity = Parity.None
            .DataBits = 8
            .StopBits = StopBits.One
            .Handshake = Handshake.RequestToSend
            .DtrEnable = True
            .RtsEnable = True
            .NewLine = vbCrLf
        End With


        'this is  the set of AT commands to be written on serial port

            SMSPort.WriteLine("AT")
            'set command message format to text mode(1)
            SMSPort.WriteLine("AT+CMGF=1" & vbCrLf)
            'set service center address (which varies for service providers (idea, airtel))
            SMSPort.WriteLine("AT+CSCA=""+919822078000""" & vbCrLf)
            ' enter the mobile number whom you want to send the SMS
            SMSPort.WriteLine("AT+CMGS=  + TextBox1.text + " & vbCrLf)
            _ContSMS = False
            SMSPort.WriteLine("+ TextBox1.text +" & vbCrLf & Chr(26)) 'SMS sending

    Dim i As Integer
    Private Sub Button1_Click(ByVal sender As System.Object,
       ByVal e As System.EventArgs) Handles Button1.Click

        SMSEngine.Open() 'open the port
        SMSEngine.SendSMS() 'send the SMS

    End Sub