C# TcpListener listen forever

[Goga Work]

I am new to C# and .net core , I am building billing program to read data from PBX which send on defined TCP port. It does work , I receive the data but randomly tcp port stop listening and when I check window resource monitor I can see under Network --> Listening Ports --> it doesn't show . But window service is running, then after restart window service i can see port start listening again. There is no conflict of ports that I am sure of. My code logic is as below :

using CDR.Models;
using Newtonsoft.Json;
using RestSharp;
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;

namespace CDR.Helpers
{
/// /// Active or Passive.
///
public class CDRServer
{
public static void Listen()
{
Logger.Log("Starting 3cX Listener");

        TcpListener server = null;
        try
        {
            // Set the TcpListener on port 5015.
            Int32 port = 5015;

            // IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
            // if (!ipHostInfo.AddressList.Any(d => d.AddressFamily == AddressFamily.InterNetwork))
            //   return;
            //IPAddress ipAddress = ipHostInfo.AddressList.FirstOrDefault(d => d.AddressFamily == AddressFamily.InterNetwork);//IPAddress.Parse("127.0.0.1");//

            IPAddress ipAddress = IPAddress.Parse("127.0.0.1");

            // TcpListener server = new TcpListener(port);
            server = new TcpListener(ipAddress, port);

            // Start listening for client requests.
            server.Start();

            // Buffer for reading data
            Byte\[\] bytes = new Byte\[1024\]; //this can be received.  //INVESTIGATE

            //100KB

            String data = null;

            // Enter the listening loop.
            while (true)
            {
                Console.WriteLine($"Waiting for a connection...  on {ipAddress.ToString()} and {port.ToString()}");
                Logger.Log($"Waiting for a connection...  on {ipAddress.ToString()} and {port.ToString()}");
                // Perform a blocking call to accept requests.
                // You could also user server.AcceptSocket() here.
                TcpClient client = server.AcceptTcpClient();
                Console.WriteLine("Connected!");
                Logger.Log("Connected!");

[Pete OHanlon]

You may well have an unhandled exception killing your application. For instance, you use DateTime.Parse, but what happens if you don't receive a valid date? Use TryParse instead.

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