DICOM PS3.1 2019b - Introduction and Overview

6.9 PS3.9: Retired (formerly Point-to-point Communication Support For Message Exchange)

PS3.9 of the DICOM Standard previously specified the services and protocols used for point-to-point communications in a manner compatible with ACR-NEMA 2.0. It has been retired.

DICOM PS3.1 2019b - Introduction and Overview