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I am using AT command set.
I want to send long sms but i m able to send only 160 chars msg.
How can I send long msg having more than 160 chars from gsm modem ?

public bool sendSms(string cellNo, string sms)
           string messages = null;
           messages = sms;
           if (this.serialPort.IsOpen == true)
                   this.serialPort.WriteLine("AT" + (char)(13));
                   this.serialPort.WriteLine("AT+CMGF=1" + (char)(13));
                   this.serialPort.WriteLine("AT+CMGS=\"" + cellNo + "\"");
                   this.serialPort.WriteLine(messages + (char)(26));
               catch (Exception ex)
               return true;
               return false;
Posted 17-Mar-13 6:51am

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Solution 1


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