SIM908: how to automaticlly answer to sender (of sms)

Hi,
I am a happy user of ArduinoUno with DFRobot GPS/GPRS/GSM v3.0 module.
I am working on program which can send temperature via sms (I use Dallas 18B20). And it works but for constant numer (program is attached).
But! I want to send this temperature to this number which send some sms to my Arduino. And nothing.
I tried examples, based on <gsm.h>, on AT commands and nothing.
Can you help me?
Sorry for “quality” of this program, but it is my 3rd day with Arduino and it is “conglomerate” of some examples.

#include <OneWire.h>
#include <DS18B20.h>

#define ONEWIRE_PIN 2

// Adres czujnika
byte address[8] = {0x28, 0xFF, 0xF7, 0x28, 0x61, 0x16, 0x3, 0x79};
byte gsmDriverPin[3] = {3,4,5};
float temperature;
char tempka[32];

OneWire onewire(ONEWIRE_PIN);
DS18B20 sensors(&onewire);

void ATcom(){
for(int i = 0 ; i < 3; i++){
pinMode(gsmDriverPin*,OUTPUT);*

  • }*
  • digitalWrite(5,HIGH);//Output GSM Timing*
  • delay(1500);*
  • digitalWrite(5,LOW); *
  • digitalWrite(3,LOW);//Enable the GSM mode*
  • digitalWrite(4,HIGH);//Disable the GPS mode*
  • delay(2000);*
  • delay(5000);//call ready*
  • delay(5000);*
  • delay(5000);*
  • }*
    void send(){
  • Serial.println(“AT”); //Send AT command *
  • delay(2000);*
  • Serial.println(“AT”); *
  • delay(2000);*
  • //Send message*
  • Serial.println(“AT+CMGF=1”);*
  • delay(1000);*
  • Serial.println(“AT+CMGS=“XXXxxXXX””);//Change the receiver phone number*
  • delay(1000);*
  • Serial.print(dtostrf(temperature, 2, 2, tempka));*
  • delay(1000);*
  • Serial.write(26);*
  • while(1);*
    }
    void setup() {
  • while(!Serial);*
  • Serial.begin(9600);*
  • ATcom();*
  • sensors.begin();*
  • sensors.request(address);*
    }
    void loop() {
  • if (sensors.available())*
  • {*
  • temperature = sensors.readTemperature(address);*
  • Serial.print(temperature);*
  • Serial.println(F(" 'C"));*
  • sensors.request(address);*
  • send();*
  • }*
    }

And 2nd question: how to send it to (e.g.) two numbers parallerly?

It looks like monologue, but I resolve problem no. 2. Time of delay between sms should be more than (15000).