code: function onRTCFallback(from,data,isArray)
      {
          var peer = getPeerByRTCId(from);
          
          if(peer)
          {
              if(isArray == true)
              {
                  data = sliceArray(data,0,data.length-2);// data.slice(0,data.length-2);
              }
              scope.dispatchEvent("peerMessage",{message:data,id:peer.id,rtc:peer.rtcId,array:isArray,fallback:true});
          }
      }
docs: invoked when fallback message is received