The FreePBX Distro has some built in features to allow you to change the Major Asterisk version you are using without reinstalling/recompiling it manually.
For example the 6.12.65 release track supports Asterisk 1.8, 11, 12 and 13, FreePBX 14 supports Asterisk 13,15,16 and 17.
To change Asterisk version in FreePBX in Linux command prompt type: Continue reading