# File sipper/media/sipper_media_manager.rb, line 114
    def send_command(mediaClient, commandStr)
      @cal.synchronize do
        @csl.synchronize do
           logd("Sending media Len[#{commandStr.length}] Command[#{commandStr}]") 
           @t << [commandStr.length].pack("N") << commandStr

           5.times do
              if @csl_cmd.wait(10)
                 returnVal = @command_result
                 @command_result = nil
                 returnVal.session = mediaClient.session

                 @media_clients.synchronize do
                    if returnVal.cmd == "CREATE MEDIA" && returnVal.result == "Success"
                       @media_clients[returnVal.media_id] = mediaClient
                    end

                    if returnVal.cmd == "DESTROY MEDIA" && returnVal.result == "Success"
                       @media_clients.delete(returnVal.media_id)
                    end
                 end

                 return returnVal
              end
           end
           logd("Unable to get result after 5 retries 50Sec. Command: #{commandStr}")
           Process.exit(1)
        end
      end
    end