person-to-person
1. [ adverb ] (of two persons) in direct encounter
Synonyms: one-on-one
Examples:

"preferred to settle the matter one-on-one" "interviewed her person-to-person"

2. [ adjective ] involving direct communication or contact between persons or parties
Examples:

"a person-to-person interview" "person-to-person telephone calls"

Related terms: personal