Install Asterisk-GUI

If you already have asterisk config files (no new install), back them up...

cp -r /etc/asterisk /etc/asterisk.bak

Download and install Asterisk-GUI:

cd /usr/src
svn checkout http://svn.digium.com/svn/asterisk-gui/trunk asterisk-gui
cd /usr/src/asterisk-gui
./configure && make && make install
make samples

Some tweaks to the configuration files...

cat << EOF >/etc/asterisk/http.conf
[general]
enabled=yes
enablestatic=yes
EOF

cat << EOF >/etc/asterisk/manager.conf
[general]
displaysystemname = yes
enabled = yes
webenabled = yes
port = 5038
;httptimeout = 60
bindaddr = 0.0.0.0

[admin]
secret = admin
read = system,call,log,verbose,command,agent,config
write = system,call,log,verbose,command,agent,config
EOF

Checking configuration...

make checkconfig
asterisk -r
reload
exit

Try, configure and enjoy your new system... log in with admin/admin to configure your setup...

http://IPADDRESS:8088/asterisk/static/config/setup/install.html
http://IPADDRESS:8088/asterisk/static/config/cfgbasic.html