This Recommendation provides testing methods for headsets using the head and torso simulator. The Recommendation addresses the following topics: selection of artificial ears, classification of headsets, positioning of headsets on HATS, test repeatability and contents of the measurement report This Recommendation provides testing methods for headsets using the head and torso simulator. The Recommendation addresses the following topics: selection of artificial ears, classification of headsets, positioning of headsets on HATS, test repeatability and contents of the measurement report.