root@3cxatn:~# echo “deb http://downloads-global.3cx.com/downloads/debian stretch main” | tee /etc/apt/sources.list.d/3cxpbx.list
“deb http://downloads-global.3cx.com/downloads/debian stretch main”
root@3cxatn:~# apt-get update
E: Type ‘“deb’ is not known on line 1 in source list /etc/apt/sources.list.d/3cxpbx.list
E: The list of sources could not be read.
root@3cxatn:~#
