below is my code...but the code can only send below than 160 character...how i can send sms more than 160 characters and the receiver receive as one message only??plss help me..
if (port.IsOpen)
{
port.WriteLine("AT+CMGF=1\r");
Thread.Sleep(25);
string str = "AT+CMGS=\"" + txtphno.Text.Trim() + "\"<cr>\r";
port.WriteLine(str);
Thread.Sleep(25);
port.WriteLine(txtMess.Text);
Thread.Sleep(25);
}