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Hy, I am using AT Commands for Getting basic Mobile Informataion such as Mobile Menufacture,Mobile IMEI ,Sim Detail etc.
I am using following Code for getting information but Fail.please help me for solving my matter.Thanks

If SerialPort1.IsOpen Then
Label11.Text = (SerialPort1.Write("AT+CGMI"))
MsgBox("Sorry ! there is some error in your computer port")
End If
Catch ex As Exception
End Try
End Sub

i am also using following AT Commands but have no Result.
manufacturer = AT+CGMI
model number = (AT+CGMM)
IMEI number (International Mobile Equipment Identity) (AT+CGSN)
software version (AT+CGMR)
Posted 1-Jun-13 18:10pm
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