deb http://deb.debian.org/debian bullseye main
deb-src http://deb.debian.org/debian bullseye main
deb http://deb.debian.org/debian-security/ bullseye-security main
deb-src http://deb.debian.org/debian-security/ bullseye-security main
deb http://deb.debian.org/debian bullseye-updates main
deb-src http://deb.debian.org/debian bullseye-updates main
apt upgrade -y
shutdown now -r
apt update
apt-get install libedit-dev git curl wget libnewt-dev libssl-dev libncurses5-dev subversion libsqlite3-dev build-essential libjansson-dev libxml2-dev uuid-dev
cd /usr/src/
wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-20-current.tar.gz
tar xfv asterisk-20-current.tar.gz
cd asterisk-20*/
contrib/scripts/install_prereq install
./configure
contrib/scripts/get_mp3_source.sh
make menuselect
-----exit
make
make install
make samples #tes etc
make basic-pbx #test accounts trunk outbound etc.
make config
service asterisk status
service asterisk start
service asterisk status
asterisk -rvvvv
kill pid