apsc 18 november 2005 advisory panel for standards cooperation on telecommunications related to motor vehicles telemov contribution source itu t study group 12 title first draft of new recommendation p carhf hands free communication in summary this defines test methodologies and standard behaviour communications terminals when used within the purpose is provide a consistent high quality service users such devices keywords headset speakerphone qos scope aim definition use cases methods narrow band 300 hz 3400 covers corded headsets wireless build systems after market carkits be while driving describes recommended different conditions testing setup environmental are described analysis performance parameters based signals procedures as defined
