-- Executing Goto("SIP/213.137.11.27-b7808590", "callthrough-cp|s|1") in new stack
    -- Goto (callthrough-cp,s,1)
    -- Executing Answer("SIP/213.137.11.27-b7808590", "") in new stack
    -- Executing SetVar("SIP/213.137.11.27-b7808590", "NR=") in new stack
    -- Executing BackGround("SIP/213.137.11.27-b7808590", "hello-cp") in new stack
    -- Playing 'hello-cp' (language 'en')
  == Spawn extension (callthrough-cp, s, 3) exited non-zero on 'SIP/213.137.11.27-b7808590'
    -- Executing Hangup("SIP/213.137.11.27-b7808590", "") in new stack
  == Spawn extension (callthrough-cp, h, 1) exited non-zero on 'SIP/213.137.11.27-b7808590'

May  9 05:33:13 WARNING[27861]: chan_sip.c:694 retrans_pkt: Maximum retries exceeded on call B6073F66-BFA311D9-AF60E61E-7BC114D5@213.137.11.27 for seqno 101 (Non-critical Response)