After you have downloaded the tarball, unpackage it using tar -xvzf [name of file] (without the brackets) then issue the following commands as root to install Asterisk on your system (release 1, version 2 is used as an example):

# cd ../asterisk-1.2
# make clean; make install

Build the source

Install the following in order to build Asterisk and/or Zaptel:

• ncurses, and associated -devel
• openssl, and associated -devel
• zlib, and associated -devel
• bison, and associated -devel (1.0.X only)