f (this.iceTransportPolicy != null)
      pcConfig[&quot;iceTransportPolicy&quot;] = this.iceTransportPolicy;
    if (this.bundlePolicy != null)
      pcConfig[&quot;bundlePolicy&quot;] = this.bundlePolicy;
    if (Janus.webRTCAdapter[&#39;browserDetails&#39;][&#39;browser&#39;] == &quot;chrome&quot;) {
      &#47;&#47; For Chrome versions before 72, we force a plan-b semantic, and unified-plan otherwise
      pcConfig[&quot;sdpSemantics&quot;] =
          (Janus.webRTCAdapter[&#39;browserDetails&#39;][&#39