ESP32 LoRA SIM800 TinyGSM board connection to Cayenne

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try this code:

// TTGO T-Call pin definitions
#define MODEM_RST            5
#define MODEM_PWKEY          4
#define MODEM_POWER_ON       23
#define MODEM_TX             27
#define MODEM_RX             26
#define I2C_SDA              21
#define I2C_SCL              22


#include <TinyGsmClient.h>

#include <Wire.h>

// Set serial for debug console (to the Serial Monitor, default speed 115200)
#define SerialMon Serial

// Hardware Serial on Mega, Leonardo, Micro
#define gsmSerial Serial1

// Configure TinyGSM library
#define TINY_GSM_MODEM_SIM800
#define TINY_GSM_RX_BUFFER   1024  // Set RX buffer to 1Kb


// GSM connection info.
char apn[] = ""; // Access point name. Leave empty if it is not needed.
char gprsLogin[] = ""; // GPRS username. Leave empty if it is not needed.
char gprsPassword[] = ""; // GPRS password. Leave empty if it is not needed.
char pin[] = ""; // SIM pin number. Leave empty if it is not needed.


TinyGsm modem(gsmSerial);

char username[] = "MQTT_USERNAME";
char password[] = "MQTT_PASSWORD";
char clientID[] = "CLIENT_ID";

void setup()
{
  // Set console baud rate
  SerialMon.begin(115200);
  delay(10);

  // Keep power when running from battery
  Wire.begin(I2C_SDA, I2C_SCL);
  bool   isOk = setPowerBoostKeepOn(1);
  SerialMon.println(String("IP5306 KeepOn ") + (isOk ? "OK" : "FAIL"));

  // Set-up modem reset, enable, power pins
  pinMode(MODEM_PWKEY, OUTPUT);
  pinMode(MODEM_RST, OUTPUT);
  pinMode(MODEM_POWER_ON, OUTPUT);

  digitalWrite(MODEM_PWKEY, LOW);
  digitalWrite(MODEM_RST, HIGH);
  digitalWrite(MODEM_POWER_ON, HIGH);

  // Set GSM module baud rate and UART pins
  gsmSerial.begin(115200, SERIAL_8N1, MODEM_RX, MODEM_TX);
  delay(3000);

  // Restart takes quite some time
  // To skip it, call init() instead of restart()
  SerialMon.println("Initializing modem...");
  modem.restart();

  String modemInfo = modem.getModemInfo();
  SerialMon.print("Modem: ");
  SerialMon.println(modemInfo);

  // Unlock your SIM card with a PIN
  //modem.simUnlock("1234");

  SerialMon.print("Waiting for network...");
  if (!modem.waitForNetwork(240000L)) {
    SerialMon.println(" fail");
    delay(10000);
    return;
  }
  SerialMon.println(" OK");

  if (modem.isNetworkConnected()) {
    SerialMon.println("Network connected");
  }

  SerialMon.print(F("Connecting to APN: "));
  SerialMon.print(apn);
  if (!modem.gprsConnect(apn, user, pass)) {
    SerialMon.println(" fail");
    delay(10000);
    return;
  }
  SerialMon.println(" OK");

  Cayenne.begin(username, password, clientID, gsmSerial, apn, gprsLogin, gprsPassword, pin);
}

void loop()
{
  Cayenne.loop();
}