RECV EVENT
    Event-Name: CHANNEL_DESTROY
    Core-UUID: 5a8db8bc-bf97-11ea-a319-df6d21d1d5ee
    FreeSWITCH-Hostname: iZbp12te2l9m014tz3fapdZ
    FreeSWITCH-Switchname: iZbp12te2l9m014tz3fapdZ
    FreeSWITCH-IPv4: 172.16.200.243
    FreeSWITCH-IPv6: ::1
    Event-Date-Local: 2020-07-08 21:58:13
    Event-Date-GMT: Wed, 08 Jul 2020 13:58:13 GMT
    Event-Date-Timestamp: 1594216693072099
    Event-Calling-File: switch_core_session.c
    Event-Calling-Function: switch_core_session_perform_destroy
    Event-Calling-Line-Number: 1515
    Event-Sequence: 380204
    Channel-State: CS_REPORTING
    Channel-Call-State: HANGUP
    Channel-State-Number: 12
    Channel-Name: sofia/internal/2000@xwx003.sip.xwxcloud.com
    Unique-ID: 00918216-c123-11ea-9686-df6d21d1d5ee
    Call-Direction: inbound
    Presence-Call-Direction: inbound
    Channel-HIT-Dialplan: true
    Channel-Presence-ID: 2000@xwx003.sip.xwxcloud.com
    Channel-Call-UUID: 00918216-c123-11ea-9686-df6d21d1d5ee
    Answer-State: hangup
    Hangup-Cause: NORMAL_CLEARING
    Channel-Read-Codec-Name: PCMA
    Channel-Read-Codec-Rate: 8000
    Channel-Read-Codec-Bit-Rate: 64000
    Channel-Write-Codec-Name: PCMA
    Channel-Write-Codec-Rate: 8000
    Channel-Write-Codec-Bit-Rate: 64000
    Caller-Direction: inbound
    Caller-Logical-Direction: inbound
    Caller-Username: 2000
    Caller-Dialplan: XML
    Caller-Caller-ID-Name: 2000
    Caller-Caller-ID-Number: 2000
    Caller-Orig-Caller-ID-Name: 2000
    Caller-Orig-Caller-ID-Number: 2000
    Caller-Callee-ID-Name: Outbound Call
    Caller-Callee-ID-Number: 13968191399
    Caller-Network-Addr: 115.193.10.59
    Caller-ANI: 2000
    Caller-Destination-Number: 13968191399
    Caller-Unique-ID: 00918216-c123-11ea-9686-df6d21d1d5ee
    Caller-Source: mod_sofia
    Caller-Transfer-Source: 1594216666:0092353a-c123-11ea-968b-df6d21d1d5ee:bl_xfer:13968191399/default/XML
    Caller-Context: default
    Caller-RDNIS: 13968191399
    Caller-Channel-Name: sofia/internal/2000@xwx003.sip.xwxcloud.com
    Caller-Profile-Index: 2
    Caller-Profile-Created-Time: 1594216666572126
    Caller-Channel-Created-Time: 1594216666572126
    Caller-Channel-Answered-Time: 1594216683422109
    Caller-Channel-Progress-Time: 0
    Caller-Channel-Progress-Media-Time: 1594216671282099
    Caller-Channel-Hangup-Time: 1594216693062105
    Caller-Channel-Transfer-Time: 0
    Caller-Channel-Resurrect-Time: 0
    Caller-Channel-Bridged-Time: 1594216671282099
    Caller-Channel-Last-Hold: 0
    Caller-Channel-Hold-Accum: 0
    Caller-Screen-Bit: true
    Caller-Privacy-Hide-Name: false
    Caller-Privacy-Hide-Number: false
    Other-Type: originatee
    Other-Leg-Direction: outbound
    Other-Leg-Logical-Direction: inbound
    Other-Leg-Username: 2000
    Other-Leg-Dialplan: XML
    Other-Leg-Caller-ID-Name: 2000
    Other-Leg-Caller-ID-Number: 2000
    Other-Leg-Orig-Caller-ID-Name: 2000
    Other-Leg-Orig-Caller-ID-Number: 2000
    Other-Leg-Callee-ID-Name: Outbound Call
    Other-Leg-Callee-ID-Number: 13968191399
    Other-Leg-Network-Addr: 125.120.211.48
    Other-Leg-ANI: 2000
    Other-Leg-Destination-Number: 13968191399
    Other-Leg-Unique-ID: 009384f8-c123-11ea-969a-df6d21d1d5ee
    Other-Leg-Source: mod_sofia
    Other-Leg-Context: default
    Other-Leg-RDNIS: 13968191399
    Other-Leg-Channel-Name: sofia/internal/13968191399@192.168.101.198:5060
    Other-Leg-Profile-Created-Time: 1594216666582100
    Other-Leg-Channel-Created-Time: 1594216666582100
    Other-Leg-Channel-Answered-Time: 0
    Other-Leg-Channel-Progress-Time: 0
    Other-Leg-Channel-Progress-Media-Time: 1594216671272103
    Other-Leg-Channel-Hangup-Time: 0
    Other-Leg-Channel-Transfer-Time: 0
    Other-Leg-Channel-Resurrect-Time: 0
    Other-Leg-Channel-Bridged-Time: 0
    Other-Leg-Channel-Last-Hold: 0
    Other-Leg-Channel-Hold-Accum: 0
    Other-Leg-Screen-Bit: true
    Other-Leg-Privacy-Hide-Name: false
    Other-Leg-Privacy-Hide-Number: false
    variable_direction: inbound
    variable_uuid: 00918216-c123-11ea-9686-df6d21d1d5ee
    variable_session_id: 3771
    variable_sip_from_user: 2000
    variable_sip_from_uri: 2000@xwx003.sip.xwxcloud.com
    variable_sip_from_host: xwx003.sip.xwxcloud.com
    variable_video_media_flow: sendrecv
    variable_channel_name: sofia/internal/2000@xwx003.sip.xwxcloud.com
    variable_ep_codec_string: CORE_PCM_MODULE.PCMA@8000h@20i@64000b,CORE_PCM_MODULE.PCMU@8000h@20i@64000b
    variable_sip_local_network_addr: 47.99.53.27
    variable_sip_network_ip: 115.193.10.59
    variable_sip_network_port: 49889
    variable_sip_invite_stamp: 1594216666572126
    variable_sip_received_ip: 115.193.10.59
    variable_sip_received_port: 49889
    variable_sip_via_protocol: udp
    variable_sip_authorized: true
    variable_Event-Name: REQUEST_PARAMS
    variable_Core-UUID: 5a8db8bc-bf97-11ea-a319-df6d21d1d5ee
    variable_FreeSWITCH-Hostname: iZbp12te2l9m014tz3fapdZ
    variable_FreeSWITCH-Switchname: iZbp12te2l9m014tz3fapdZ
    variable_FreeSWITCH-IPv4: 172.16.200.243
    variable_FreeSWITCH-IPv6: ::1
    variable_Event-Date-Local: 2020-07-08 21:57:46
    variable_Event-Date-GMT: Wed, 08 Jul 2020 13:57:46 GMT
    variable_Event-Date-Timestamp: 1594216666572126
    variable_Event-Calling-File: sofia.c
    variable_Event-Calling-Function: sofia_handle_sip_i_invite
    variable_Event-Calling-Line-Number: 10096
    variable_Event-Sequence: 380113
    variable_sip_number_alias: 2000
    variable_sip_auth_username: 2000
    variable_sip_auth_realm: xwx003.sip.xwxcloud.com
    variable_number_alias: 2000
    variable_requested_user_name: 2000
    variable_requested_domain_name: xwx003.sip.xwxcloud.com
    variable_domain: xwx003.sip.xwxcloud.com
    variable_user_id: 2000
    variable_effective_caller_id_name: 2000
    variable_effective_caller_id_number: 2000
    variable_user_name: 2000
    variable_domain_name: xwx003.sip.xwxcloud.com
    variable_sip_from_user_stripped: 2000
    variable_sofia_profile_name: internal
    variable_recovery_profile_name: internal
    variable_sip_allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
    variable_sip_req_user: 13968191399
    variable_sip_req_port: 15060
    variable_sip_req_uri: 13968191399@xwx003.sip.xwxcloud.com:15060
    variable_sip_req_host: xwx003.sip.xwxcloud.com
    variable_sip_to_user: 13968191399
    variable_sip_to_uri: 13968191399@xwx003.sip.xwxcloud.com
    variable_sip_to_host: xwx003.sip.xwxcloud.com
    variable_sip_contact_params: ob
    variable_sip_contact_user: 2000
    variable_sip_contact_port: 49889
    variable_sip_contact_uri: 2000@192.168.101.156:49889
    variable_sip_contact_host: 192.168.101.156
    variable_sip_user_agent: MicroSIP/3.19.22
    variable_sip_via_host: 192.168.101.156
    variable_sip_via_port: 49889
    variable_sip_via_rport: 49889
    variable_presence_id: 2000@xwx003.sip.xwxcloud.com
    variable_switch_r_sdp: v=0
    o=- 3803234244 3803234244 IN IP4 192.168.101.156
    s=pjmedia
    b=AS:84
    t=0 0
    a=X-nat:0
    m=audio 4006 RTP/AVP 8 0 101
    c=IN IP4 192.168.101.156
    b=TIAS:64000
    a=rtpmap:8 PCMA/8000
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-16
    a=rtcp:4007 IN IP4 192.168.101.156
    a=ssrc:793315199 cname:02755d5c45971902

    variable_outside_call: true
    variable_max_forwards: 69
    variable_transfer_history: 1594216666:0092353a-c123-11ea-968b-df6d21d1d5ee:bl_xfer:13968191399/default/XML
    variable_transfer_source: 1594216666:0092353a-c123-11ea-968b-df6d21d1d5ee:bl_xfer:13968191399/default/XML
    variable_DP_MATCH: ARRAY::13968191399|:13968191399
    variable_call_uuid: 00918216-c123-11ea-9686-df6d21d1d5ee
    variable_RFC2822_DATE: Wed, 08 Jul 2020 21:57:46 +0800
    variable_dialed_extension: 13968191399
    variable_sip_auto_answer: true
    variable_export_vars: RFC2822_DATE,RFC2822_DATE,sip_auto_answer
    variable_hangup_after_bridge: true
    variable_bridge_answer_timeout: 25
    variable_current_application_data: sofia/internal/sip:13968191399@192.168.101.198:5060;fs_nat=yes;fs_path=sip:gw1000@125.120.211.48:5060
    variable_current_application: bridge
    variable_originated_legs: 009384f8-c123-11ea-969a-df6d21d1d5ee;Outbound Call;13968191399
    variable_rtp_use_codec_string: OPUS,G722,PCMU,PCMA,VP8,H264
    variable_audio_media_flow: sendrecv
    variable_rtp_remote_audio_rtcp_port: 4007
    variable_rtp_audio_recv_pt: 8
    variable_rtp_use_codec_name: PCMA
    variable_rtp_use_codec_rate: 8000
    variable_rtp_use_codec_ptime: 20
    variable_rtp_use_codec_channels: 1
    variable_rtp_last_audio_codec_string: PCMA@8000h@20i@1c
    variable_read_codec: PCMA
    variable_original_read_codec: PCMA
    variable_read_rate: 8000
    variable_original_read_rate: 8000
    variable_write_codec: PCMA
    variable_write_rate: 8000
    variable_dtmf_type: rfc2833
    variable_local_media_ip: 172.16.200.243
    variable_local_media_port: 25464
    variable_advertised_media_ip: 47.99.53.27
    variable_rtp_use_timer_name: soft
    variable_rtp_use_pt: 8
    variable_rtp_use_ssrc: 1594405066
    variable_rtp_2833_send_payload: 101
    variable_rtp_2833_recv_payload: 101
    variable_remote_media_ip: 192.168.101.156
    variable_remote_media_port: 4006
    variable_originate_disposition: SUCCESS
    variable_DIALSTATUS: SUCCESS
    variable_originate_causes: 009384f8-c123-11ea-969a-df6d21d1d5ee;NONE
    variable_last_bridge_to: 009384f8-c123-11ea-969a-df6d21d1d5ee
    variable_bridge_channel: sofia/internal/13968191399@192.168.101.198:5060
    variable_bridge_uuid: 009384f8-c123-11ea-969a-df6d21d1d5ee
    variable_signal_bond: 009384f8-c123-11ea-969a-df6d21d1d5ee
    variable_remote_audio_ip_reported: 192.168.101.156
    variable_remote_audio_ip: 115.193.10.59
    variable_remote_audio_port_reported: 4006
    variable_remote_audio_port: 36388
    variable_rtp_auto_adjust_audio: true
    variable_switch_m_sdp: v=0
    o=- 575 576 IN IP4 192.168.101.198
    s=Gateway
    c=IN IP4 192.168.101.198
    t=0 0
    m=audio 6000 RTP/AVP 8 0 101
    a=rtpmap:8 PCMA/8000
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15

    variable_rtp_local_sdp_str: v=0
    o=FreeSWITCH 1594191207 1594191209 IN IP4 47.99.53.27
    s=FreeSWITCH
    c=IN IP4 47.99.53.27
    t=0 0
    m=audio 25464 RTP/AVP 8 101
    a=rtpmap:8 PCMA/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-16
    a=ptime:20
    a=sendrecv
    a=rtcp:25465 IN IP4 47.99.53.27

    variable_sip_nat_detected: true
    variable_endpoint_disposition: ANSWER
    variable_sip_to_tag: a8KayS29322Qp
    variable_sip_from_tag: 6a61945e3c2549a38d5094df78f39322
    variable_sip_cseq: 10679
    variable_sip_call_id: 92d31a1ddc3841b5853de2c9fdb35088
    variable_sip_full_via: SIP/2.0/UDP 192.168.101.156:49889;rport=49889;branch=z9hG4bKPje236195eccd342cf863ae50e03780dcb;received=115.193.10.59
    variable_sip_full_from: sip:2000@xwx003.sip.xwxcloud.com;tag=6a61945e3c2549a38d5094df78f39322
    variable_sip_full_to: sip:13968191399@xwx003.sip.xwxcloud.com;tag=a8KayS29322Qp
    variable_last_sent_callee_id_name: Outbound Call
    variable_last_sent_callee_id_number: 13968191399
    variable_sip_hangup_phrase: OK
    variable_last_bridge_hangup_cause: NORMAL_CLEARING
    variable_last_bridge_proto_specific_hangup_cause: sip:200
    variable_bridge_hangup_cause: NORMAL_CLEARING
    variable_hangup_cause: NORMAL_CLEARING
    variable_hangup_cause_q850: 16
    variable_digits_dialed: none
    variable_start_stamp: 2020-07-08 21:57:46
    variable_profile_start_stamp: 2020-07-08 21:57:46
    variable_answer_stamp: 2020-07-08 21:58:03
    variable_bridge_stamp: 2020-07-08 21:57:51
    variable_progress_media_stamp: 2020-07-08 21:57:51
    variable_end_stamp: 2020-07-08 21:58:13
    variable_start_epoch: 1594216666
    variable_start_uepoch: 1594216666572126
    variable_profile_start_epoch: 1594216666
    variable_profile_start_uepoch: 1594216666572126
    variable_answer_epoch: 1594216683
    variable_answer_uepoch: 1594216683422109
    variable_bridge_epoch: 1594216671
    variable_bridge_uepoch: 1594216671282099
    variable_last_hold_epoch: 0
    variable_last_hold_uepoch: 0
    variable_hold_accum_seconds: 0
    variable_hold_accum_usec: 0
    variable_hold_accum_ms: 0
    variable_resurrect_epoch: 0
    variable_resurrect_uepoch: 0
    variable_progress_epoch: 0
    variable_progress_uepoch: 0
    variable_progress_media_epoch: 1594216671
    variable_progress_media_uepoch: 1594216671282099
    variable_end_epoch: 1594216693
    variable_end_uepoch: 1594216693062105
    variable_last_app: bridge
    variable_last_arg: sofia/internal/sip:13968191399@192.168.101.198:5060;fs_nat=yes;fs_path=sip:gw1000@125.120.211.48:5060
    variable_caller_id: “2000” <2000>
    variable_duration: 27
    variable_billsec: 10
    variable_progresssec: 0
    variable_answersec: 17
    variable_waitsec: 5
    variable_progress_mediasec: 5
    variable_flow_billsec: 27
    variable_mduration: 26490
    variable_billmsec: 9640
    variable_progressmsec: 0
    variable_answermsec: 16850
    variable_waitmsec: 4710
    variable_progress_mediamsec: 4710
    variable_flow_billmsec: 26490
    variable_uduration: 26489979
    variable_billusec: 9639996
    variable_progressusec: 0
    variable_answerusec: 16849983
    variable_waitusec: 4709973
    variable_progress_mediausec: 4709973
    variable_flow_billusec: 26489979
    variable_sip_hangup_disposition: send_bye
    variable_rtp_audio_in_raw_bytes: 182836
    variable_rtp_audio_in_media_bytes: 181976
    variable_rtp_audio_in_packet_count: 1063
    variable_rtp_audio_in_media_packet_count: 1058
    variable_rtp_audio_in_skip_packet_count: 91
    variable_rtp_audio_in_jitter_packet_count: 0
    variable_rtp_audio_in_dtmf_packet_count: 0
    variable_rtp_audio_in_cng_packet_count: 0
    variable_rtp_audio_in_flush_packet_count: 5
    variable_rtp_audio_in_largest_jb_size: 0
    variable_rtp_audio_in_jitter_min_variance: 5.89
    variable_rtp_audio_in_jitter_max_variance: 260.70
    variable_rtp_audio_in_jitter_loss_rate: 0.01
    variable_rtp_audio_in_jitter_burst_rate: 0.99
    variable_rtp_audio_in_mean_interval: 20.80
    variable_rtp_audio_in_flaw_total: 36
    variable_rtp_audio_in_quality_percentage: 95.00
    variable_rtp_audio_in_mos: 4.44
    variable_rtp_audio_out_raw_bytes: 186276
    variable_rtp_audio_out_media_bytes: 186276
    variable_rtp_audio_out_packet_count: 1083
    variable_rtp_audio_out_media_packet_count: 1083
    variable_rtp_audio_out_skip_packet_count: 0
    variable_rtp_audio_out_dtmf_packet_count: 0
    variable_rtp_audio_out_cng_packet_count: 0
    variable_rtp_audio_rtcp_packet_count: 2534
    variable_rtp_audio_rtcp_octet_count: 405440