I vote for 4. Use this script to convert:
https://wiki.freepbx.org/display/PPS/Elastix+and+PBXinaFlash+to+FreePBX+Distro+Conversion+Tool
then check out this thread for manual cleanup:
I vote for 4. Use this script to convert:
https://wiki.freepbx.org/display/PPS/Elastix+and+PBXinaFlash+to+FreePBX+Distro+Conversion+Tool
then check out this thread for manual cleanup: