<profile name="video-mcu-stereo">
      <param name="domain" value="$${domain}"/>
      <param name="rate" value="48000"/>
      <param name="channels" value="2"/>
      <param name="interval" value="20"/>
      <param name="energy-level" value="200"/>
      <!-- <param name="tts-engine" value="flite"/> -->
      <!-- <param name="tts-voice" value="kal16"/> -->
      <param name="muted-sound" value="conference/conf-muted.wav"/>
      <param name="unmuted-sound" value="conference/conf-unmuted.wav"/>
      <param name="alone-sound" value="conference/conf-alone.wav"/>
      <param name="moh-sound" value="$${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="kicked-sound" value="conference/conf-kicked.wav"/>
      <param name="locked-sound" value="conference/conf-locked.wav"/>
      <param name="is-locked-sound" value="conference/conf-is-locked.wav"/>
      <param name="is-unlocked-sound" value="conference/conf-is-unlocked.wav"/>
      <param name="pin-sound" value="conference/conf-pin.wav"/>
      <param name="bad-pin-sound" value="conference/conf-bad-pin.wav"/>
      <param name="caller-id-name" value="$${outbound_caller_name}"/>
      <param name="caller-id-number" value="$${outbound_caller_id}"/>
      <param name="comfort-noise" value="false"/>
      <param name="conference-flags" value="livearray-json-status|json-events|video-floor-only|rfc-4579|livearray-sync|minimize-video-encoding"/>
      <param name="video-mode" value="mux"/>
      <param name="video-layout-name" value="3x3"/>
      <param name="video-layout-name" value="group:grid"/>
      <param name="video-canvas-size" value="1920x1080"/>
      <param name="video-canvas-bgcolor" value="#333333"/>
      <param name="video-layout-bgcolor" value="#000000"/>
      <param name="video-codec-bandwidth" value="1mb"/>
      <param name="video-fps" value="15"/>
    </profile>