540 ITU‐T's Technical Reports and Specifications Glossary AISUWRS Assessing and Improving Sustainability of Urban and Water Resources and Systems AMI Advanced Metering Infrastructure AR Augmented Reality ART Acoustic Resonance Technology BOD Biochemical Oxygen Demand COD Chemical Oxygen Demand CSO Combined Sewer Overflow EM Electronic Module EPC Engineering, Procurement, and Construction GIS Geographic Information System GPRS General Packet Radio Service GSM Global System for Mobile Communications HAN Home Area Network ICT Information and Communication Technology IoT Internet of Things IPCC Intergovernmental Panel on Climate Change ISA International Society of Automation LAN Local Area Network M2M Machine‐to‐Machine NGO Non‐Governmental Organization OECD The Organization for Economic Co‐Operation and Development PARS Pipeline Analysis and Reporting System RTC Real Time Control SaaS Software as a Service SCADA Supervisory Control and Data Acquisition SCC Smart Sustainable City SMS Short Message Service SME Small‐Medium Enterprise SWM Smart Water Management UGROW Urban Groundwater UNEP United Nations Environment Programme UN‐Habitat United Nations Human Settlements Programme