Debian Etch + Asterisk 1.4 + H323 + G729 + G723
This tutorial will show you how to install Asterisk 1.4 with H323 Support + G729 and G723 Codec.
1) Installing necessary Debian packages before installing Asterisk
aptitude update
aptitude upgrade
aptitude install ssh ntp screen
aptitude install build-essential libcurl3-dev libvorbis-dev libspeex-dev unixodbc unixodbc-dev libiksemel-dev flex xsltproc linux-headers-`uname -r` g++ libncurses5-dev libnewt-dev libusb-dev subversion git-core flex bison
2) Get the stable release of Asterisk, Libpri and Zaptel
cd /usr/src
wget http://downloads.digium.com/pub/asterisk/asterisk-1.4-current.tar.gz
wget http://downloads.digium.com/pub/zaptel/zaptel-1.4-current.tar.gz
wget http://downloads.digium.com/pub/libpri/libpri-1.4-current.tar.gz
wget http://downloads.digium.com/pub/asterisk/asterisk-addons-1.4-current.tar.gz
tar xvzf asterisk-1.4-current.tar.gz && tar xvzf zaptel-1.4-current.tar.gz && tar xvzf libpri-1.4-current.tar.gz && tar xvzf asterisk-addons-1.4-current.tar.gz tar