asterisk from home:jejb1:Asterisk project

For Debian Testing run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/jejb1:/Asterisk/Debian_Testing/ /' | sudo tee /etc/apt/sources.list.d/home:jejb1:Asterisk.list
curl -fsSL https://download.opensuse.org/repositories/home:jejb1:Asterisk/Debian_Testing/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_jejb1_Asterisk.gpg > /dev/null
sudo apt update
sudo apt install asterisk