at+cnmi parameters to receive sms.

#include <SoftwareSerial.h>
SoftwareSerial mySerial(9,10); 
char incomingByte=0; 
void setup() 
{
       Serial.begin(9600);  
      mySerial.begin(9600);   
      //pinMode(13, OUTPUT); 
      mySerial.println("AT");
      delay(1000);
      mySerial.println("AT+CMGF=1");
      delay(2000);  
      //mySerial.println("AT+CSMP=17,167,0,0");
      mySerial.println("AT+CNMI=2,2,0,1,0"); 
      delay(1000);
     
     }

void loop()

{   
mySerial.write("AT+CMGL=");
mySerial.write(34);
mySerial.write("ALL");
mySerial.write(34);
mySerial.write(13);//to move down one line
mySerial.write(10);//to place cursor on left margin.Equivalent to pressing "enter"
delay(1000);


        while (mySerial.available() > 0) 
        {       
               incomingByte = mySerial.read();
               if(incomingByte!='\n')
               {
               Serial.print(incomingByte);
               }
               
               if(incomingByte=='\n')
               {
                 Serial.print(incomingByte);
                 Serial.write(13);
                 Serial.write(10);
               }
         
      

        }
}