Setup CentOS Server

1. SSH into newly created CentOS server with username centos and your key file.
2. Update all existing packages
1. sudo yum update -y
3. Now start http service(you can access your server via browser by going to your server ip address)
1. sudo systemctl enable httpd.service
2. sudo systemctl start httpd.service
4. If you are using nano editor, please install it because its not inbuilt installed. If you use vi, skip this step
1. yum install nano

Install Asterisk

1. Please disable selinux to avoid strange behavior during installation
1. Run ‘sestatus’ to check selinux state
1. if enabled, please run below commands
1. sed -i 's/\(^SELINUX=\).*/\SELINUX=disabled/' /etc/sysconfig/selinux
2. sed -i 's/\(^SELINUX=\).*/\SELINUX=disabled/' /etc/selinux/config
3. Reboot
2. If disabled, run step 2
2. Run below commands
1. yum -y update
2. yum -y groupinstall core base "Development Tools"
3. Now install prerequisite packages
1. yum -y install lynx mariadb-server mariadb php php-mysql php-mbstring tftp-server
2. yum -y install httpd ncurses-devel sendmail sendmail-cf sox newt-devel libxml2-devel libtiff-devel
3. yum -y install audiofile-devel gtk2-devel subversion kernel-devel git php-process crontabs cronie
4. yum -y install cronie-anacron wget vim php-xml uuid-devel sqlite-devel net-tools gnutls-devel php-pear unixODBC mysql-connector-odbc
5. yum -y install gcc gcc-c++ make openssl-devel libtermcap-devel perl curl curl-devel
6. yum -y install libtool-ltdl libtool-ltdl-devel unixODBC-devel
7. yum -y install bison doxygen mlocate tar nmap bzip2 mod_ssl php-mcrypt flex screen libxml2 libtiff gmime gmime-devel net-snmp-utils net-snmp-devel neon openssl gnutls-utils
8. pear install Console_Getopt
4. Check if firewall is running or not by executing systemctl status firewalld
1. If you see this error ‘if it shows Unit Firewalld.service could not be found.’, install firewall by below commands
1. yum install firewalld
2. systemctl start firewalld (start firewall service)
2. Open firewall port 80 and reload it
1. firewall-cmd --zone=public --add-port=80/tcp --permanent
2. firewall-cmd --reload
5. Enable mariadb (freepbx use mariadb to log cdr reports)
1. systemctl enable mariadb.service
2. systemctl start mariadb
6. Secure mysql installation by running mysql_secure_installation
1. By default there won't be any password
2. Don't set root password because freepbx will secure automatically
3. Choose yes to remaining options. This will remove sample users and database, disable remote root logins and reload new rules so that mysql will take our changes immediately
7. Reboot the server
8. After rebooting, create a new user named asterisk
1. adduser asterisk -M -c "Asterisk User"
9. Execute below commands to install jansson
1. cd /usr/src/
2. git clone https://github.com/akheron/jansson.git
3. cd /usr/src/jansson
4. autoreconf -i
5. ./configure
6. make
7. make install
10. Now install pjproject by running below commands
1. cd /usr/src
2. wget http://www.pjsip.org/release/2.4/pjproject-2.4.tar.bz2
3. tar -xjvf pjproject-2.4.tar.bz2
4. rm -f pjproject-2.4.tar.bz2
5. cd pjproject-2.4
6. CFLAGS='-DPJ_HAS_IPV6=1' ./configure --prefix=/usr --enable-shared --disable-sound --disable-resample --disable-video --disable-opencore-amr --libdir=/usr/lib64
7. make dep
8. make
9. make install
11. Now install asterisk
1. cd /usr/src
2. wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz
3. tar xvfz asterisk-13-current.tar.gz
4. cd asterisk-13.*
5. cd ./contrib/scripts
6. ./install_prereq install
7. ./install_prereq install-unpackaged
8. cd /usr/src/asterisk-13.*
9. ./configure --libdir=/usr/lib64
10. ./configure --with-pjproject --with-ssl --with-srtp
11. contrib/scripts/get_mp3_source.sh
12. make menuselect
1. Now a screen will appear to select packages to install. Along with selected packages, please select below packages
1. format_mp3(from add-ons tab)
2. res_config_mysql, app_mysql, cdr_mysql (from Add-ons tab)
3. res_odbc, func_odbc
4. chan_pjsip (from Channel Driver tab)
2. Press F12 to save this menu
13. make
14. make install
15. make config
16. ldconfig
17. Start asterisk by systemctl start asterisk
1. To know asterisk status, run systemctl status asterisk
18. chkconfig asterisk off
12. Now change asterisk directories to asterisk user
1. chown asterisk. /var/run/asterisk
2. chown -R asterisk. /etc/asterisk
3. chown -R asterisk. /var/{lib,log,spool}/asterisk
4. chown -R asterisk. /usr/lib/asterisk OR chown -R asterisk. /usr/lib64/asterisk
5. chown -R asterisk. /var/www/
13. To install freepbx, need to change some values to php and httpd
1. sed -i 's/\(^upload_max_filesize = \).*/\120M/' /etc/php.ini
2. sed -i 's/^\(User\|Group\).*/\1 asterisk/' /etc/httpd/conf/httpd.conf
3. sed -i 's/AllowOverride None/AllowOverride All/' /etc/httpd/conf/httpd.conf
14. Now restart apache
1. systemctl restart httpd.service
15. Make asterisk database(if required)
1. ASTERISK_DB_PW='pa2sw0rd'
2. mysqladmin -u root create asterisk
3. mysqladmin -u root create asteriskcdrdb
4. mysql -u root -e "GRANT ALL PRIVILEGES ON asterisk.* TO asteriskuser@localhost IDENTIFIED BY '${ASTERISK_DB_PW}';"
5. mysql -u root -e "GRANT ALL PRIVILEGES ON asteriskcdrdb.* TO asteriskuser@localhost IDENTIFIED BY '${ASTERISK_DB_PW}';"
6. mysql -u root -e "flush privileges;"
16. Install freepbx
1. cd /usr/src
2. wget http://mirror.freepbx.org/modules/packages/freepbx/freepbx-13.0-latest.tgz
3. tar xfz freepbx-13.0-latest.tgz
4. rm -f freepbx-13.0-latest.tgz
5. cd /usr/src/freepbx
6. ./start_asterisk start
7. ./install -n
1. If this fails, reboot server and re-execute step 16.5 to 16.7
17. Now install freepbx necessary packages
1. fwconsole chown
2. fwconsole ma installall
3. fwconsole ma upgradeall
4. fwconsole ma refreshsignatures
5. fwconsole reload
6. fwconsole restart
18. Update firewall rules
1. firewall-cmd --zone=public --add-port=5060/tcp --permanent
2. firewall-cmd --zone=public --add-port=5060/udp --permanent
3. firewall-cmd --reload
19. Make freepbx to run on server startup
1. Create  a file freepbx.service in /etc/systemd/system and add below code to it and save
[Unit]
Description=FreePBX VoIP Server
After=mariadb.service
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/sbin/fwconsole start
ExecStop=/usr/sbin/fwconsole stop
[Install]
WantedBy=multi-user.target
2. systemctl enable freepbx.service
3. systemctl status freepbx

1. If your server external ip is 1.2.3.4, then go to http://1.2.3.4 in your browser. This will be your freepbx web panel
2. On first time, you will be asked to set administrator username and password.
3. On setting admin credentials, login to admin panel with your admin credentials