== Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [s@macro-dialout-trunk:26] NoOp("PJSIP/10-00000002", "Dial failed for some reason with DIALSTATUS = CHANUNAVAIL and               HANGUPCAUSE = 21") in new stack
    -- Executing [s@macro-dialout-trunk:27] GotoIf("PJSIP/10-00000002", "0?continue,1:s-CHANUNAVAIL,1") in new stack
    -- Goto (macro-dialout-trunk,s-CHANUNAVAIL,1)
    -- Executing [s-CHANUNAVAIL@macro-dialout-trunk:1] Set("PJSIP/10-00000002", "RC=21") in new stack
    -- Executing [s-CHANUNAVAIL@macro-dialout-trunk:2] Goto("PJSIP/10-00000002", "21,1") in new stack
    -- Goto (macro-dialout-trunk,21,1)
    -- Executing [21@macro-dialout-trunk:1] Goto("PJSIP/10-00000002", "continue,1") in new stack
    -- Goto (macro-dialout-trunk,continue,1)
    -- Executing [continue@macro-dialout-trunk:1] NoOp("PJSIP/10-00000002", "TRUNK Dial failed due to CHANUNAVAIL HANGUPCAUSE: 21 - f              ailing through to other trunks") in new stack
    -- Executing [continue@macro-dialout-trunk:2] ExecIf("PJSIP/10-00000002", "1?Set(CALLERID(number)=10)") in new stack
    -- Executing [025141441670@from-internal:7] Macro("PJSIP/10-00000002", "outisbusy,") in new stack
    -- Executing [s@macro-outisbusy:1] Progress("PJSIP/10-00000002", "") in new stack
    -- Executing [s@macro-outisbusy:2] GotoIf("PJSIP/10-00000002", "0?emergency,1") in new stack
    -- Executing [s@macro-outisbusy:3] GotoIf("PJSIP/10-00000002", "0?intracompany,1") in new stack
    -- Executing [s@macro-outisbusy:4] Playback("PJSIP/10-00000002", "all-circuits-busy-now&please-try-call-later, noanswer") in new               stack