Nov 19 14:41:33 NOTICE[32478]: channel.c:2424 __ast_request_and_dial: Don't know what to do with control frame 15
    -- Channel 0/1, span 1 got hangup request
Nov 19 14:41:35 WARNING[32478]: cdr.c:550 ast_cdr_disposition: Cause not handled    -- Hungup 'Zap/1-1'
Nov 19 14:41:35 NOTICE[32478]: pbx_spool.c:269 attempt_thread: Call failed to go through, reason 8