== Using SIP RTP TOS bits 184
  == Using SIP RTP CoS mark 5
    -- Called SIP/4444@sip2sip.info
    -- SIP/sip2sip.info-0000002c is ringing
    -- Got SIP response 500 "Internal Server Error" back from 81.23.228.129:5060
    -- SIP/sip2sip.info-0000002c is circuit-busy
  == Everyone is busy/congested at this time (1:0/1/0)
    -- Executing [s@macro-dialout-trunk:31] NoOp("SIP/705-0000002b", "Dial failed for some reason with DIALSTATUS = CONGESTION and HANGUPCAUSE = 38") in new stack
    -- Executing [s@macro-dialout-trunk:32] GotoIf("SIP/705-0000002b", "0?continue,1:s-CONGESTION,1") in new stack
    -- Goto (macro-dialout-trunk,s-CONGESTION,1)
    -- Executing [s-CONGESTION@macro-dialout-trunk:1] Set("SIP/705-0000002b", "RC=38") in new stack
    -- Executing [s-CONGESTION@macro-dialout-trunk:2] Goto("SIP/705-0000002b", "38,1") in new stack
    -- Goto (macro-dialout-trunk,38,1)
    -- Executing [38@macro-dialout-trunk:1] Goto("SIP/705-0000002b", "continue,1") in new stack
    -- Goto (macro-dialout-trunk,continue,1)
    -- Executing [continue@macro-dialout-trunk:1] NoOp("SIP/705-0000002b", "TRUNK Dial failed due to CONGESTION HANGUPCAUSE: 38 - failing through to other trunks") in new stack
    -- Executing [continue@macro-dialout-trunk:2] Set("SIP/705-0000002b", "CALLERID(number)=705") in new stack
    -- Executing [4444@from-internal:6] Macro("SIP/705-0000002b", "outisbusy,") in new stack
    -- Executing [s@macro-outisbusy:1] Progress("SIP/705-0000002b", "") in new stack
    -- Executing [s@macro-outisbusy:2] GotoIf("SIP/705-0000002b", "0?emergency,1") in new stack
    -- Executing [s@macro-outisbusy:3] GotoIf("SIP/705-0000002b", "0?intracompany,1") in new stack
    -- Executing [s@macro-outisbusy:4] Playback("SIP/705-0000002b", "all-circuits-busy-now&pls-try-call-later, noanswer") in new stack
    -- <SIP/705-0000002b> Playing 'all-circuits-busy-now.ulaw' (language 'en')
  == Spawn extension (macro-outisbusy, s, 4) exited non-zero on 'SIP/705-0000002b' in macro 'outisbusy'
  == Spawn extension (from-internal, 4444, 6) exited non-zero on 'SIP/705-0000002b'
    -- Executing [h@from-internal:1] Hangup("SIP/705-0000002b", "") in new stack
  == Spawn extension (from-internal, h, 1) exited non-zero on 'SIP/705-0000002b'