If I recall correctly, in earlier versions of FreePBX, I could enter the text of the CID name instead of the CID number, e.g. “NASTYCORP” (there is one particular caller who constantly spoofs numbers). However, that no longer seems to work (FreePBX version 18.104.22.168). The only change from my earlier version installation was I changed the extension in question from chan_sip to pjsip. I don’t see why that would make any difference.
Any help would be greatly appreciated. Note: I’m not a pro at this. This is a home PBX that I’ve had for the last 10 years or so.
What you’re looking for was not a core feature of the Blacklist module, but an extended feature of a 3rd party module called Swiss Army Knife (SAK). You might find an old copy of it floating around, but I would not expect it to work on a 15 system.