------------------------------ Scenario Screen -------- [1-4]: Change Screen --
  Call-rate(length)     Port   Total-time  Total-calls  Remote-host
10.0(60000 ms)/1.000s   5072    1805.18 s         4715  207.181.0.86:5061(UDP)

  0 new calls during 5.000 s period      2 ms scheduler resolution
  150 concurrent calls (limit 150)       Peak was 150 calls, after 15 s
  43 out-of-call msg (discarded)
  1 open sockets
  12930051 Total echo RTP pckts          1268.1640 last period RTP rate (kB/s)

                                 Messages  Retrans   Timeout   Unexpected-Msg
      INVITE ---------->         4715      68        0
         100 <----------         4715      0                   0
         180 <----------         0         0                   0
         200 <---------- E-RTD   4715      62                  0
         ACK ---------->         4715      62
             [ 60000 ms]
         BYE ---------->         4296      57        0
         200 <----------         4295      0                   0

------ [+|-|*|/]: Adjust rate ---- [q]: Soft exit ---- [p]: Pause traffic -----