ppn_contact - in use
ppn_contactgroup = empty - not used
ppn_contact_type = email/phone = probably not used
ppn_inbound_caller = last entry 2021-12-21 = probably no longer used
ppn_usernotes = in use
ppn_enhancedcallerid = last update 2017 - not used
ppn_person
ppn_personAni
ppn_PersonNote
ppn_PersonTag
ppn_ani