@echo off
        setlocal enabledelayedexpansion
        set IP=8.8.8.8
        set IP2=8.8.4.4
        set RESTARTUSBCOUNT=-1
        set RESTARTUSBMAXCOUNT=2
        set RECONNECTCOUNT=-1
        set RECONNECTMAXCOUNT=3
        set DIALUPNAME=yourDialupName
        set USERNAME=yourUsername

        set PASSWORD=yourPassword
        set MODEMID=yourModemId
        set PINGDELAY=5
        set WAIT=1800


        rasdial | find /I "connected to" > NUL
            if %ERRORLEVEL% EQU 0 (
                goto reping
            ) else ( goto redial
            )

        :redial
            set /A RECONNECTCOUNT=%RECONNECTCOUNT%+1
                if %RECONNECTCOUNT% == %RECONNECTMAXCOUNT% (
                    echo logged to Disconnected.txt
                    echo %time% %date% >> Disconnected.txt
                    set /A RESTARTUSBCOUNT=%RESTARTUSBCOUNT%+1
                    echo Reconnect %RECONNECTMAXCOUNT% times failed !!, resetting usb modem...
                        if %RESTARTUSBCOUNT% == %RESTARTUSBMAXCOUNT% (
                            set RESTARTUSBCOUNT=-1
                            set RECONNECTCOUNT=-1
                            echo restartusbcount %RESTARTUSBCOUNT%
                            echo reconnectcount %RECONNECTCOUNT%
                            echo Failed to connect after restarting usb %RESTARTUSBCOUNT% times, waiting %WAIT% seconds...
                            mplay32 /play /close C:\Thunder.wav
                            sleep %WAIT%
                            goto redial
                        ) else (
                            set RECONNECTCOUNT=-1
                            echo reconnectcount %RECONNECTCOUNT%
                            echo Restarting USB Device !!
                            devcon restart *%MODEMID%* | find /I "restarted."
                            goto redial
                        )
                ) else (
                    rasdial %DIALUPNAME% /disconnect > NUL
                    sleep 10
                    echo Dialing NOW...
                    rasdial %DIALUPNAME% %USERNAME% %PASSWORD%
                        IF ERRORLEVEL 1 goto redial
                )

        :reping
            echo Waiting %PINGDELAY% seconds to ping...
            sleep %PINGDELAY%
            echo Pinging %IP% #1 NOW...
            ping -n 1 -w 5000 %IP% > NUL
                if errorlevel 1 goto dc
                echo Your Internet is OK !!
                goto reping
        :dc
            sleep 7
            echo Ping failed! Pinging %IP2% #2 NOW...
            ping -n 1 -w 5000 %IP2% > NUL
                if errorlevel 1 goto redial
                echo Your Internet is OK !!
                goto reping