ASTERISK CENTOS 6.X INSTALLATION THROUGH COMPILATION (ASTERISK 1.8)

Asterisk is an enterprise level telephone system that uses real desk phones capable of seamlessly calling normal phones.

Install wget to pull down Asterisk && Download Asterisk 1.8 & DAHDI Tools:

#yum install wget

#wget http://downloads.asterisk.org/pub/telephony/asterisk/releases/asterisk-1.8.5.0.tar.gz #wget http://downloads.asterisk.org/pub/telephony/dahdi-linux-complete/releases/dahdi-linux-complete-2.5.0+2.5.0.tar.gz

Asterisk & DAHDI Tools need extracting, to extract the tar.gz

#tar -xvzf asterisk-1.8*  

#tar -xvzf dahdi-linux-complete-*

Install dependencies so we can compile Asterisk 1.8

#yum install kernel-devel gcc make gcc-c++ libxml2-devel

Next, install Perl & Ncurses Development

#yum install perl ncurses-devel

#cd dahdi-linux-complete*

#make all
#make install
#make config

For this tutorial I am only going to be using SIP trunks. If you have are using cards / hardware you might want to check out /etc/dahdi/system.conf and /etc/asterisk/chan_dahdi.conf

Start DAHDi at Boot:

#chkconfig dahdi on
#service dahdi start

Build Asterisk 1.8 on CentOS:
Time to build Asterisk!

#cd asterisk-*
#make clean
#./configure

Configure your Asterisk Server options and install:

#make menuselect
#make
#make install

Install sample config files in /etc/asterisk and set Asterisk to start at boot:

#make samples
#make config
#chkconfig asterisk on

Start Asterisk:

#asterisk -vvvvc

Stop Asterisk Core with:

#core stop now

Now you know Asterisk runs correctly you can start the service with:

#/etc/init.d/asterisk start