unallocated_number

{
    "app_name": "ecallmgr",
    "app_version": "4.0.0",
    "billing_seconds": "0",
    "call_direction": "outbound",
    "call_id": "90907172-b123-11e8-b6eb-0709e963a813",
    "callee_id_name": "Nexxtworks",
    "callee_id_number": "+1786xxxxxxx",
    "caller_id_name": "1305xxxxxxx",
    "caller_id_number": "1305xxxxxxx",
    "channel_call_state": "HANGUP",
    "channel_created_time": 1536162694206428,
    "channel_name": "sofia/sipinterface_1/user_b766mwv6q7@nexxtworks.domain.com",
    "channel_state": "REPORTING",
    "custom_application_vars": {},
    "custom_channel_vars": ⊖{
        "account_id": "41577a6e90b14e15a5855728b26af2ea",
        "authorizing_id": "95f59937c5faae68c24174e8e4056806",
        "authorizing_type": "device",
        "bridge_id": "1934144359_116381653@67.XXX.XXX.XXX",
        "channel_authorized": "true",
        "ecallmgr_node": "kazoo_apps@apps01-east.domain",
        "global_resource": "false",
        "inception": "1786xxxxxxx@146.XXX.XXX.XXX",
        "realm": "nexxtworks.domain.com",
        "username": "user_b766mwv6q7"
    },
    "custom_sip_headers": ⊖{
        "x_kazoo_aor": "sip:user_b766mwv6q7@nexxtworks.domain.com"
        "x_kazoo_invite_format": "contact",
    },
    "duration_seconds": "0",
    "event_category": "call_event",
    "event_name": "CHANNEL_DESTROY",
    "from": "1305xxxxxxx@nexxtworks.domain.com",
    "hangup_cause": "UNALLOCATED_NUMBER",
    "hangup_code": "sip:404",
    "id": "201809-90907172-b123-11e8-b6eb-0709e963a813"
    "interaction_id": "63703381893-e5d197c1",
    "interaction_key": "e5d197c1",
    "interaction_time": 63703381893,
    "local_sdp": "v=0\r\no=FreeSWITCH 1536138570 1536138571 IN IP4 146.20.165.217\r\ns=FreeSWITCH\r\nc=IN IP4 146.20.165.217\r\nt=0 0\r\nm=audio 24124 RTP/AVP 0 8 101 13\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-16\r\na=rtcp:24125 IN IP4 146.20.165.217\r\na=rtpmap:13 CN/8000\r\na=ptime:20\r\na=sendrecv\r\n",
    "media_server": "fs02-east.domain",
    "msg_id": "1536162694496429",
    "node": "kazoo_apps@apps01-east.domain",
    "other_leg_call_id": "1934144359_116381653@67.XXX.XXX.XXX",
    "other_leg_caller_id_name": "1305xxxxxxx",
    "other_leg_caller_id_number": "1305xxxxxxx",
    "other_leg_destination_number": "1786xxxxxxx",
    "other_leg_direction": "inbound",
    "presence_id": "user_b766mwv6q7@nexxtworks.domain.com",
    "request": "user_b766mwv6q7@nexxtworks.domain.com",
    "ringing_seconds": "0",
    "switch_hostname": "fs02-east.domain",
    "switch_nodename": "freeswitch@fs02-east.domain",
    "switch_uri": "sip:146.20.165.217:11000",
    "switch_url": "sip:mod_sofia@146.20.165.217:11000",
    "timestamp": 63703381894,
    "to": "user_b766mwv6q7@nexxtworks.domain.com",
}