asterisk.txt

cd /usr/src
wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz
tar xvfz asterisk-13-current.tar.gz
sudo apt-get update
sudo apt-get install subversion
cd asterisk-*/
contrib/scripts/get_mp3_source.sh
contrib/scripts/install_prereq install
./configure --with-jansson-bundled
make menuselect
make -j4
make install
make samples
make config
ldconfig
sudo adduser --system --group --home /var/lib/asterisk --no-create-home --gecos "Asterisk PBX" asterisk
sudo nano /etc/default/asterisk
    AST_USER="asterisk"
    AST_GROUP="asterisk"
sudo usermod -a -G dialout,audio asterisk
sudo chown -R asterisk: /var/{lib,log,run,spool}/asterisk /usr/lib/asterisk /etc/asterisk
sudo chmod -R 750 /var/{lib,log,run,spool}/asterisk /usr/lib/asterisk /etc/asterisk