If update asterisk version from 16 to 18?

if update asterisk version from 16 to 18, then it will take affect to my freepbx server working?

If you’re using the FreePBX Distro, you can change asterisk major versions using this script:
https://wiki.freepbx.org/display/PPS/Changing+Major+Asterisk+Versions+on+the+Fly

thanks

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