494 ITU‐T's Technical Reports and Specifications Abbreviations This Technical Report uses the following abbreviations: AHJ Authorities Having Jurisdiction ASHRAE American Society of Heating, Refrigerating and Air‐Conditioning Engineers BAS Building Automation Systems BIQ Building Intelligence Quotient CABA Continental Automated Building Association CFS Alert Canadian Forces Station Alert DDC Direct Digital Control FG‐SSC Focus Group on Smart Sustainable Cities Flint MTA Flint Mass Transportation Authority HVAC Heating, Ventilating and Air Conditioning IBT Integrated Building Technology ICT Information and Communication Technology IP Internet Protocol ITU International Telecommunication Union LEED Leadership in Energy and Environmental Design MRU Multiple Rental Unit PSIM Physical Security Information Management PWGSC Public Works and Government Services UPS Uninterruptable Power Supplies VAV Variable Air Volume WTCs World Trade Centres