[Mar 17 14:36:21] NOTICE[22269]: chan_sip.c:14359 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 100
Really destroying SIP dialog 'NzVkMGY2MmVmNGI3NmNlOTM5ZjcyNTM1ZmFjNjA2Mjk.' Method: SUBSCRIBE
    -- Executing [s@incoming:1] Answer("SIP/67.15.180.14-081c0b00", "") in new stack
    -- Executing [s@incoming:2] BackGround("SIP/67.15.180.14-081c0b00", "hello-world") in new stack
    -- <SIP/67.15.180.14-081c0b00> Playing 'hello-world' (language 'en')
  == Auto fallthrough, channel 'SIP/67.15.180.14-081c0b00' status is 'UNKNOWN'
pbx*CLI>