adjective [ usually before noun ]
1.
happening between two or more people who deal directly with each other rather than through another person :
Technical support is offered on a person-to-person basis.
2.
( especially NAmE ) ( of a telephone call ) made by calling the operator (= a person who works at a telephone exchange) and asking to speak to a particular person. If that person is not available, the call does not have to be paid for :
a person-to-person call