corrigendum tender for augumentation of video conferencing facility in conference hall wired gooseneck miccrophone , wireless microphone , wireless lapel microphone , quad channel receiver , distribution sysytem , antenna , dsp solution , amplifier , mount loudspeaker , encoder , decoder , controller appliance , ip switching , router , network switch , control system , camera , controller with joystick , mixer , capture box , converter , distribution amplifier , hdmi , adapter , switch , monitor , monitor 2 , flip box , av rack , projector screen , cables and accessories , complete installation, augumentation of video conferencing facility in conference hall, wired gooseneck miccrophones with table stand, wireless handheld microphone, wireless lapel microphones, quad channel wireless reciver, antenna distribution system, antenna system, audio dsp solution, power amplifier, ceiling mount loudspeaker, av over ip encoder, av over ip decoder, av over ip controller appliance & software solution, table top touch panel for av over ip switching, wifi access point/router, av over ip managed network switch, av control system, 4k ptz camera, camera controller with joystick, camera mixer/switcher, hdmi to usb 3.0 capture box, sdi to hdmi converter, 1x4 hdmi distribution amplifier, 4k hdmi scalar, display port (male) to hdmi (female) adapter/adapter cable, usb 3.0 peripheral sharing switch, chairman monitor, monitor, hdmi table flip box for laptop, 19-inch av rack (32 u), tab tension motorized projector screen with remote controller, cables/connectors/convetrers etc, installation