rm /etc/asterisk/extensions.conf
rm /etc/asterisk/sip.conf
rm /etc/asterisk/manager.conf
rm /etc/asterisk/checkonline.php
rm /etc/asterisk/dtmfdecode.php
wget http://44.143.70.8/voipsetup/extensions.conf
wget http://44.143.70.8/voipsetup/sip.conf
wget http://44.143.70.8/voipsetup/manager.conf
wget http://44.143.70.8/voipsetup/checkonline.php
wget http://44.143.70.8/voipsetup/dtmfdecode.php
chmod 777 /etc/asterisk/checkonline.php
chmod 777 /etc/asterisk/dtmfdecode.php

vi /etc/asterisk/checkonline.php #change IP
crontab -e # * * * * * /usr/bin/php /etc/asterisk/checkonline.php &> /dev/null