The document discusses: 1) Tips for developing companion specifications for DLMS/COSEM and a case study on using DLMS/COSEM over various communication technologies. 2) An overview of available test tools, including PHENIX, a generic test tool that can be used for testing, conformance, and certification. 3) Andrea's products and services for smart metering, including DLMS/COSEM toolkits, the PEGASUS smart meter, G3-PLC and cellular modules, reading systems, and test and configuration tools.