-- Attempting call on SIP/004917992xxxxx@10999 for s@cb-callee:1 (Retry 1)
       > Channel SIP/10999-0817f8b8 was answered.
    -- Executing NoOp("SIP/10999-0817f8b8", "first call established... dialing destination channel") in new stack
    -- Executing Wait("SIP/10999-0817f8b8", "1") in new stack
    -- Executing Dial("SIP/10999-0817f8b8", "SIP/0049613197xxxxx@10999|60") in new stack
    -- Called 0049613197xxxxx@10999
    -- SIP/10999-08185208 is ringing
    -- SIP/10999-08185208 is making progress passing it to SIP/10999-0817f8b8
    -- SIP/10999-08185208 answered SIP/10999-0817f8b8
    -- Attempting native bridge of SIP/10999-0817f8b8 and SIP/10999-08185208
  == Spawn extension (cb-callee, s, 3) exited non-zero on 'SIP/10999-0817f8b8'
Sep  5 14:24:07 NOTICE[29655]: pbx_spool.c:279 attempt_thread: Call completed to SIP/004917992xxxxx@10999