int SendSMS_Now = 0;

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  if (SendSMS_Now == 1) {
    sendMsg1();
    delay(2000);
    sendMsg2();
    delay(2000);
    sendMsg3();
    delay(2000);
    SendSMS_Now = 0;
  }
}