92 lines
4.2 KiB
JSON
92 lines
4.2 KiB
JSON
{
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"record_version": "1.0",
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"recorded_at_utc": "2026-09-17T06:37:48Z",
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"scope": "packet-captured root-cause validation for mka75518625770806",
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"code_commit": "668c12e",
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"deployment": {
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"region": "cn-beijing",
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"instance_id": "i-2zeimnh6hq53q4srr3o2",
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"private_ip": "172.16.0.123",
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"public_ip": "123.56.71.98",
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"eip_allocation_id": "eip-2zeevfsaxzwuue2szy7xb",
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"asterisk_network": "host",
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"asterisk_container": "agent-call-asterisk"
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},
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"security_group": {
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"provider_signaling_source": "160.202.254.79/32",
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"provider_media_source_observed_before": "111.9.126.254/32",
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"diagnostic_udp_scope": "1/65535 from the two provider IPs only",
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"global_udp_open": false
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},
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"call": {
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"original_number": "18625770806",
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"callee_prefix": "mka755",
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"effective_sip_user": "mka75518625770806",
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"sip_destination": "160.202.254.79:5060",
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"caller_id": "KQ91526",
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"execution_id": "exec_cell_1789627067521622369_1",
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"call_id": "call_4c435bdbf3af488884b9ad879b8045b3",
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"started_at_utc": "2026-09-17T06:37:44Z",
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"ended_at_utc": "2026-09-17T06:37:48Z",
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"attempts": 1,
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"retries": 0,
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"status": "failed_before_answer",
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"reason_code": "CALL_NOT_ANSWERED",
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"media_packets_in": 0,
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"media_packets_out": 0,
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"turns": [],
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"recording_valid": false
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},
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"packet_capture": {
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"pcap": ".local/agent-call-third/capture-call2-20260917.pcap",
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"pcap_sha256": "09f2707ccab64948a07d06be4150a1cda2469b151efc39ca2be2d574bec222f82",
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"decoded_summary": ".local/agent-call-third/capture-call2-packets-20260917.txt",
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"decoded_summary_sha256": "dd5438d142169b8344fa2c2fce1c243aac53506d2e244cd7df722d2895ff11aa",
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"packet_count": 20,
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"provider_signaling_packets": 4,
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"provider_media_ip_packets": 0,
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"local_rtp_range_packets": 0,
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"sip_exchange": [
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"172.16.0.123:5060 -> 160.202.254.79:5060 INVITE sip:mka75518625770806@160.202.254.79:5060",
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"160.202.254.79:5060 -> 172.16.0.123:5060 100 Trying",
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"160.202.254.79:5060 -> 172.16.0.123:5060 480 Temporarily Unavailable",
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"172.16.0.123:5060 -> 160.202.254.79:5060 ACK"
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],
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"timing": "480 arrived about 465 ms after 100 Trying",
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"sdp_sent": {
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"public_media_address": "123.56.71.98",
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"local_rtp_port": 10076,
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"codec": "PCMA/8000"
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},
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"provider_observed_transport": "Via received=123.56.71.98; rport=5060"
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},
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"asterisk_observation": {
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"external_media_channel": "UnicastRTP/127.0.0.1:45667 answered and joined the bridge",
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"target_channel": "Called mka75518625770806@provider-primary",
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"target_bridge_state": "never reached answered media state",
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"host_firewall": "no matching nft rule observed",
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"final_active_channels": 0,
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"asterisk_log": ".local/agent-call-third/capture-call2-asterisk-20260917.log",
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"asterisk_log_sha256": "67954f3a5b12f6fae0f3c637c9cec5607f7a57c4859a1f54daf104c0a7a58ced"
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},
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"root_cause": {
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"confirmed_for_this_attempt": "SIP provider returned 480 Temporarily Unavailable before answering; no 200/SDP answer was sent, therefore no RTP could exist",
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"our_side": "EIP/NAT, SIP signaling source, outbound SDP address, PCMA offer, security-group source scope, externalMedia initialization, and ACK path were observed working",
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"provider_side_or_line_contract": "provider route/availability, account/caller authorization, or the required called-number format/prefix mka755 remains the active fault boundary",
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"not_proven": "The earlier call that reached 200 OK but showed zero inbound RTP was not reproduced in this capture; this pcap cannot determine post-200 RTP behavior"
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},
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"actions": {
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"our_code_fix": "committed as 668c12e",
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"security_group": "source-limited full UDP rules retained for diagnosis",
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"automatic_redial": false,
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"temporary_cell_rabbitmq_capture_cleanup": true,
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"ecs_and_eip_retained": true
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},
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"next_request_to_provider": [
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"Confirm whether mka755 must be prepended to 18625770806 on this trunk",
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"Confirm KQ91526 is authorized for this destination and line",
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"Check why VOS3000 returned 480 Temporarily Unavailable and whether the route was available at 2026-09-17 06:37:47 UTC",
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"For a call that reaches 200 OK, provide the actual RTP source IP/CIDR and confirm that RTP is sent to 123.56.71.98"
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]
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}
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