2018YD/T 5033-2018 Conference television system engineering acceptance specifications
2005YD/T 5033-2005 Acceptance Specifications of Videoconference System Engineering
1997YD 5033-1997 Code for Acceptance of Videoconference System Engineering
YD/T 5033-2018 Conference television system engineering acceptance specifications has been changed from YD/T 5136-2005 Interim Provisions of Acceptance for IP Videoconference System Engineering.