~How to install asterisk 1.6 in Ubuntu 9.04

A step-by-step guide in installing Asterisk 1.6 in Ubuntu 9.04 from debian-resources

sudo su
mkdir /usr/src/asterisk
cd /usr/src/asterisk

to download:
wget http://downloads.digium.com/pub/asterisk/releases/asterisk-1.6.0.1.tar.gz
wget http://downloads.digium.com/pub/asterisk/releases/asterisk-addons-1.6.0.tar.gz
wget http://downloads.digium.com/pub/telephony/dahdi-linux-complete/dahdi-linux-complete-current.tar.gz

to extract files:
tar zxvf asterisk-1.6.0.1.tar.gz
tar zxvf asterisk-addons-1.6.0.tar.gz
tar zxvf dahdi-linux-complete-current.tar.gz

compiling and installing dahdi:
cd dahdi-linux-complete-2.2.0.2+2.2.0
make all
make install
make config

after edit:
nano /etc/dahdi/modules
comment out all modules unless you need them!

modprobe dahdi_dummy

if you get interrupt problems, you might need to add acpi=off at boot time.
Here is how,
nano /boot/grub/menu.lst
add acpi=off to the end of the line that starts with “kernel” in the section of the bootup you use.
Then reboot system.

compiling and installing asterisk:
cd /usr/src/asterisk/asterisk-1.6.0.1
./configure
make menuselect

Choose the appropriate language packages
make
make install
make samples
make config

compiling and installing of Asterisk-addons:

cd /usr/src/asterisk/asterisk-addons-1.6.0
./configure
make
make install
make samples

to reboot:
reboot

run:
asterisk -r

to exit:
quit