-- Executing Dial("SIP/603-0854ff00", "SIP/601||tr") in new stack
    -- Called 601
    -- SIP/601-0852f428 is ringing
    -- SIP/601-0852f428 answered SIP/603-0854ff00
    -- Started music on hold, class 'default', on channel 'SIP/603-0854ff00'
    -- Executing Dial("SIP/601-08576438", "SIP/602||tr") in new stack
    -- Called 602
    -- SIP/602-0857b978 is ringing
    -- Stopped music on hold on SIP/603-0854ff00
  == Spawn extension (richmond, 601, 1) exited non-zero on 'SIP/601-08576438<ZOM                                                BIE>'
    -- Incoming call: Got SIP response 500 "Internal Server Error" back from 192                                                .168.1.31
    -- SIP/602-0857b978 answered SIP/603-0854ff00
  == Spawn extension (richmond, 602, 1) exited non-zero on 'SIP/603-0854ff00'