9; + track.toString());
      &#47;&#47;       var maxBitrates =
      &#47;&#47;           getMaxBitrates(callbacks.simulcastMaxBitrates);
      &#47;&#47;       pc.addTransceiver(track, {
      &#47;&#47;         &#39;direction&#39;: &quot;sendrecv&quot;,
      &#47;&#47;         &#39;streams&#39;: [stream],
      &#47;&#47;         &#39;sendEncodings&#39;: [
      &#47;&#47;           {
      &#47;&#47;             &#39;rid&#39;: &quot;h&quot;,
      &#47;&#47;             &#39;active&#39;: true,
      &