YD/T 1922-2009 The Requirements for H.323-Based IP user Terminal Device

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3873-1983 General specifications for products packaging of communication equipments GB 9254-1998 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 9254-2008 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 9254.1-2021 Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 1:Emission requirements GB/T 9254.2-2021 Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 2:Immunity requirements GB/T 17618-1998 Information technology equipment—Immunity characteristics—Limits and methods of measurement GB/T 17618-2015 Information technology equipment—Immunity characteristics—Limits and methods of measurement GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.9-2001 Environmental testing for electric and electronic products—Part 2:Test methods—Test Cb:Damp heat, steady state, primarily for equipment IEEE 802.3i IEEE 802.3u IETF RFC1213 IETF RFC1757 IETF RFC2833 IETF RFC3550 ITU-T G.711 ITU-T G.723.1 ITU-T G.729 ITU-T P.861 ITU-T P.862 YD/T 1264-2003 General technical requirement of IP telephony and IP fax services :Phase two YD/T 1520-2006 IP telephone access device interoperability technical requirements and testing methods - H.323 protocol YDN 065 GB/T 191-2025 Graphical symbols marking for handling and storage of packages