Hi Geeks, I am trying to implement a conference in mux mode and FreeSWITCH send canvas properly but never show video on but a pic "Video Muted (but audio not affected)" pic in place of every member's video on canvas. I tried a lot with no success :( OS : Ubuntu 14.04.5 LTS trusty FreeSWITCH Version 1.9.0+git~20181120T210412Z~968c76b29c~64bit (git 968c76b 2018-11-20 21:04:12Z 64bit) My conference profile is <profile name="vconf_4"> <param name="domain" value="$${domain}"/> <param name="rate" value="8000"/> <param name="interval" value="20"/> <param name="energy-level" value="0"/> <param name="caller-controls" value="default"/> <param name="alone-sound" value="conference/conf-alone.wav"/> <param name="moh-sound" value="$${hold_music}"/> <param name="enter-sound" value="tone_stream://%(200,0,500,600,700)"/> <param name="exit-sound" value="tone_stream://%(500,0,300,200,100,50,25)"/> <param name="caller-id-name" value="$${outbound_caller_name}"/> <param name="caller-id-number" value="$${outbound_caller_id}"/> <param name="comfort-noise" value="true"/> <param name="conference-flags" value="audio-always"/> <param name="conference-flags" value="audio-always|livearray-json-status"/> <param name="video-mode" value="mux"/> <param name="video-auto-floor-msec"value="3"/> <param name="video-layout-name" value="3x1-zoom"/> <param name="video-layout-name" value="group:grid-zoom"/> <param name="video-canvas-size" value="1280x480"/> <param name="video-canvas-bgcolor" value="#663ED7"/> <param name="video-layout-bgcolor" value="#000000"/> <param name="video-border-color" value="#FF0000"/> <param name="video-codec-bandwidth" value="auto"/> <param name="video-fps" value="25"/> <param name="video_no_video_avatar_png" value="/usr/local/freeswitch/conf/images/video-muted.png"/> <param name="video_mute_png" value="/usr/local/freeswitch/conf/images/video-muted.png"/> <param name="max-members" value="4"/> <param name="inbound-late-negotiation" value="false"/> </profile> can anyone please help me. Regards, Faisal