Upgrade from Asterisk 12 to 13, not using Official Distro

I built a system using Ubuntu and manually installed Asterisk/FreePBX, so I’m not using the official distro. I’m curious to know if it’s possible to upgrade to Asterisk 13 without having to rebuilt the entire call flow, if so, how would I go about doing that?

You need to recompile asterisk 13 from source. Freepbx will automatically detect the asterisk version.

Guessing I’ll need to run these commands, with Asterisk service stopped.

cd /usr/src
wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz

tar xvfz asterisk-13-current.tar.gz
cd asterisk-*
make menuselect