HI i Am trying to make programme which can send message using Usb Modem I ball 3.5 g connect i found code from internet but when i run that code it gives message send but no message are send i have sams pack and also recharge in my airtel sim card please help me.I request you if you can suggest me any working code any other method to send sms using usb modem ,i know web service bu in my area it cannot be possible i can use only gsm modem.
Imports System
Imports System.Threading
Imports System.ComponentModel
Imports System.IO.Ports
Public Class Form1
'connect your mobile/GSM modem to PC,
'then go in device manager and check under ports which COM port has been slected
'if say com1 is there then put com2 in following statement
Dim SMSEngine As New SMSCOMMS("COM19")
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
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
End Class
Public Class SMSCOMMS
Private WithEvents SMSPort As SerialPort
Private SMSThread As Thread
Private ReadThread As Thread
Shared _Continue As Boolean = False
Shared _ContSMS As Boolean = False
Private _Wait As Boolean = False
Shared _ReadPort As Boolean = False
Public Event Sending(ByVal Done As Boolean)
Public Event DataReceived(ByVal Message As String)
Public Sub New(ByRef COMMPORT As String)
'initialize all values
SMSPort = New SerialPort
With SMSPort
.PortName = COMMPORT
.BaudRate = 9600
.Parity = Parity.None
.DataBits = 8
.StopBits = StopBits.One
.Handshake = Handshake.RequestToSend
.DtrEnable = True
.RtsEnable = True
.NewLine = vbCrLf
End With
End Sub
Public Function SendSMS() As Boolean
If SMSPort.IsOpen = True Then
'sending AT commands
SMSPort.WriteLine("AT")
SMSPort.WriteLine("AT+CMGF=1" & vbCrLf) 'set command message format to text mode(1)
SMSPort.WriteLine("AT+CSCA=""+919831029416""" & vbCrLf) 'set service center address (which varies for service providers (idea, airtel))
SMSPort.WriteLine("AT+CMGS= + TextBox1.text + " & vbCrLf) ' enter the mobile number whom you want to send the SMS
_ContSMS = False
SMSPort.WriteLine("+ TextBox1.text +" & vbCrLf & Chr(26)) 'SMS sending
MessageBox.Show(":send")
SMSPort.Close()
End If
End Function
Public Sub Open()
If Not (SMSPort.IsOpen = True) Then
SMSPort.Open()
End If
End Sub
Public Sub Close()
If SMSPort.IsOpen = True Then
SMSPort.Close()
End If
End Sub
End Class
