-- Accepting AUTHENTICATED call from 197.96.209.241:
    --        > requested format = g729,
    --        > requested prefs = (g729),
    --        > actual format = g729,
    --        > host prefs = (g729|gsm),
    --        > priority = mine
    -- Executing [0845158255@uls-from-trunk:1] NoCDR("IAX2/jkroon-13445", "") in new stack

...

    -- Executing [0845158255@uls-from-trunk:9] Dial("IAX2/jkroon-13445", "Local/0845158255@uls-place-call/n") in new stack

...

    -- Executing [0845158255@uls-place-call:1] NoOp("Local/0845158255@uls-place-call-00000006;2", "Trunk call request from "Jaco Office" <0873513299> to 0845158255 (RDNIS=, BLINDTRANSFER=, realuser=jkroon)") in new stack

...

    -- Executing [0845158255@prov-is:1] Verbose("Local/0845158255@uls-place-call-00000006;2", "1,Passing call on to IS, CID=0873513299, DID=0845158255") in new stack
 Passing call on to IS, CID=0873513299, DID=0845158255

... stuff that modifies CALLERID(num)

    -- Executing [0845158255@prov-is:7] Set("Local/0845158255@uls-place-call-00000006;2", "CHANNEL(hangup_handler_push)=prov-hangup,s,1") in new stack
    -- Executing [0845158255@prov-is:8] Dial("Local/0845158255@uls-place-call-00000006;2", "SIP/IS/0845158255,,L(8940000:61000:15000)") in new stack
       > Limit Data for this call:
       > timelimit      = 8940000 ms (8940.000 s)
       > play_warning   = 61000 ms (61.000 s)
       > play_to_caller = yes
       > play_to_callee = no
       > warning_freq   = 15000 ms (15.000 s)
       > start_sound    = 
       > warning_sound  = timeleft
       > end_sound      = 
  == Using SIP RTP TOS bits 16
  == Using SIP RTP CoS mark 5
    -- Called SIP/IS/0845158255
Added hangup cause SIP 100 Trying to SIP/IS-00000006.
Added hangup cause SIP 604 Does not exist anywhere to SIP/IS-00000006.
    -- Got SIP response 604 "Does not exist anywhere" back from 10.0.0.14:5060
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [0845158255@prov-is:9] NoOp("Local/0845158255@uls-place-call-00000006;2", "Cause keys: ") in new stack
    -- Executing [0845158255@prov-is:10] Return("Local/0845158255@uls-place-call-00000006;2", "") in new stack

...

    -- Executing [s@prov-hangup:1] Set("Local/0845158255@uls-place-call-00000006;2", "HANGUPCAUSE_STRING=") in new stack
    -- Executing [s@prov-hangup:2] NoOp("Local/0845158255@uls-place-call-00000006;2", "Cause keys: ") in new stack
    -- Executing [s@prov-hangup:3] Return("Local/0845158255@uls-place-call-00000006;2", "") in new stack
  == Spawn extension (uls-fail-call, s, 6) exited non-zero on 'Local/0845158255@uls-place-call-00000006;2'
    -- Local/0845158255@uls-place-call-00000006;2 Internal Gosub(prov-hangup,s,1) complete GOSUB_RETVAL=
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [0845158255@uls-from-trunk:10] NoOp("IAX2/jkroon-13445", "Cause keys: SIP/IS-00000006") in new stack