Caller ID Lookup (cidlookup) from Contacts.

Hi,
I'm running Fusion 4.4 on Debian 9 and I'd like to use the cidlookup script (https://github.com/fusionpbx/fusionpbx/blob/master/app/scripts/resources/scripts/cidlookup.lua). It seems that it's available only on the master branch, not in 4.4.

Someone can suggest me how to use it in 4.4?
It is good to stay on the 4.4 branch on my production system? Is is good to stay on Debian 9 and not to upgrade to 10?

thanks

The script should work on 4.4 if you copied onto your system and generate the proper dial plan. Future upgrades might complain about the modified file, but can be worked around.

The developer currently recommends 4.5 instead of 4.4 due to the amount of security updates in 4.5 that will never be back ported to 4.4. Debian 9 is still a stable choice, but if building a new server I would pick 10 for longevity.

Thank you.
So I think it's better to upgrade the branch (using this procedure I think, first time I do this: http://docs.fusionpbx.com/en/latest/advanced/version_upgrade.html ) so I will also get the new script. And, I hope also a stable system..