[ERR] mod_autodialer.c:382 hangup notify url: http://127.0.0.1:39009/hangup http://127.0.0.1:39009/hangup post:type=hangup&taskuuid=4556&callid=4aa96958-1379-4470-9527-64c4b9a6d426&number=1537555&numberid=2000&calldatetime=2021-08-06%2015%3A35%3A04&cause=NORMAL_CLEARING&code=&bill=39119&duration=48640&da=&recordfile=/usr/local/freeswitch/recordings/2021-08-06/SIM1537555.710004344.15-35-13.4aa96958-1379-4470-9527-64c4b9a6d426.mp3&calleridnumber=10006 code:-4 ret:
用Freeswitch拨打电话的时候，话机后会出现上述报错，正常情况下最后会反馈code：200 ret：OK，有没有知道这个报错怎么处理啊？