| 148 |
network |
Makassar |
Customers in Makassar experienced major dropped calls over the last 7 days. |
EVT23467: Carrier aggregation failures on LTE-A cells
EVT21885: Backhoe strike on metro fiber in Makassar
EVT17044, EVT41669, EVT39277, EVT00116: Recurrent capacity exhaustion on metro aggregation switches |
Only 3 calls recorded in total; low call volume suggests a potential data reporting gap or inability to place calls during service disruptions. |
Investigate the potential gap in CDR data collection and monitor network stability following the resolution of recent major outages and capacity issues. |
open |
2026-05-06 17:14:31.964390 |
| 147 |
network |
Yogyakarta |
User reports spiking failed calls in the Yogyakarta region. |
EVT04608: LTE-A carrier aggregation failures
EVT04854: LTE-A carrier aggregation failures
EVT34357: E1 backhaul circuit error rate increase
EVT22563: Northbound peering link throughput degradation
EVT15548: Intermittent DNS resolution failures |
Insufficient CDR data available for analysis (only 1 data session found); no reported failures at YOG-003. |
Investigate data pipeline ingestion lags and correlate recent major network events (EVT04608, EVT04854, EVT34357, EVT22563) with customer impact, as CDR data currently appears incomplete. |
open |
2026-05-06 17:13:30.013866 |
| 146 |
network |
Bandung |
Customers are experiencing critical service outages in Bandung due to recent flooding and network instability. |
Critical outage EVT07829 (flooding) and 7 service degradations. |
Extremely low call volume (3 total) due to service unavailability. |
Deploy field teams to perform permanent hardware repairs on equipment damaged by flooding and monitor network stability. |
open |
2026-05-06 17:13:15.056978 |
| 145 |
network |
Balikpapan |
Customer reports widespread bandwidth degradation across Balikpapan throughout the week. |
EVT36583 (BGP flapping)
EVT12001 (LTE-A failures)
EVT22448 (Throughput degradation)
EVT26410 (Throughput degradation)
EVT36481 (DNS failures)
EVT03879 (Packet loss) |
Sparse data (1 record total); tower BPN-002 shows 0% bad-call rate. |
Investigate logging infrastructure to determine why CDR volume is low and perform a deeper dive on recent network stability logs beyond the identified degradation events. |
open |
2026-05-06 17:12:28.822404 |
| 144 |
network |
Jakarta |
Customer reports voice call quality dropping in Jakarta over the last 14 days. |
EVT43639: Backbone disruption
EVT18887: VoLTE codec negotiation failures
EVT45334: E1 backhaul error rate
EVT15047: AAA authentication latency
EVT37327/EVT30159: HLR paging response delays
EVT08983: Carrier aggregation failures
EVT16373: BGP flapping
EVT49851: Restoration/Failover completed |
11 total calls (7 voice, 2 data, 2 SMS) all completed successfully with 0% failure rate; network events correlate with perceived quality drops. |
Monitor Jakarta network stability and voice codec performance closely; no further immediate action required as outages are resolved. |
open |
2026-05-06 17:12:10.217016 |
| 143 |
network |
Jakarta |
Customer reports degraded voice call quality in Jakarta, likely due to recent network infrastructure issues. |
EVT43639: Backbone disruption
EVT18887: VoLTE codec negotiation failures
EVT45334: E1 backhaul circuit error
EVT15047: AAA authentication latency
EVT37327: Slow paging response
EVT42949: VoLTE codec negotiation failures
EVT16373: BGP session flapping
EVT08983: LTE-A carrier aggregation failure
EVT30159: Slow paging response
EVT49851: Failover to backup path completed |
15 total calls (8 voice) all completed; 0% failure rate across top 5 towers; intermittent instability likely linked to network events. |
Monitor VoLTE codec negotiation and backhaul circuit stability; alert NOC to investigate underlying root causes of the April 30th degradation events. |
open |
2026-05-05 03:33:33.557308 |
| 142 |
network |
Makassar |
Customers in Makassar are experiencing major dropped calls caused by systemic network instability and recent major infrastructure outages. |
EVT23467 (LTE-A carrier aggregation failure)
EVT21885 (Metro fiber backhoe strike)
EVT10026 (AAA cluster auth latency)
Repeated metro aggregation switch exhaustion and VoLTE codec negotiation failures. |
3 voice failures, 2 voice drops, 2 data failures, 1 data drop; MKS-002 and MKS-005 show 100% bad-call rates. |
Immediately initiate a capacity upgrade on metro aggregation switches and investigate VoLTE codec configuration to resolve systemic drops at MKS-001, MKS-002, MKS-004, and MKS-005. |
open |
2026-05-04 05:06:27.303942 |
| 141 |
network |
Jakarta |
User reports poor voice call quality in Jakarta over the last 14 days. |
EVT43639 Backbone disruption
EVT18887 & EVT42949 VoLTE codec failures
EVT45334 E1 backhaul error rate
EVT15047 AAA authentication latency
EVT37327 & EVT30159 HLR paging delays
EVT16373 BGP session flapping
EVT08983 LTE-A aggregation failure
EVT49851 Jakarta restoration |
Sampled records show 0% bad-call rate across all towers with all sessions completed. |
Monitor network stability in Jakarta following recent restoration and investigate potential intermittent signaling issues on HLR/AAA clusters. |
open |
2026-05-04 05:05:50.040246 |
| 140 |
network |
Balikpapan |
Customer reported bandwidth degradation across Balikpapan throughout the week. |
EVT36583: BGP session flapping
EVT12001: Carrier aggregation failures
EVT22448: Throughput degradation
EVT26410: Throughput degradation
EVT11418: Carrier aggregation failures
EVT36481: DNS resolution failures
EVT03879: Packet loss on core link
EVT30158: E1 backhaul error rate
EVT35970: BGP session flapping
EVT37400: Throughput degradation |
Total 8 calls (4 voice, 3 data, 1 SMS) all completed successfully with 0% bad-call rate across all towers. |
Conduct a deeper investigation into peering link stability and LTE-A carrier aggregation configurations to prevent recurring throughput issues. |
open |
2026-04-30 20:53:07.047600 |
| 139 |
network |
Bandung |
The user is reporting consistent connectivity issues and critical outages in the Bandung region over the last 7 days. |
EVT07829: Flooding damaged ground-level equipment
EVT23628: Tower equipment damage from severe weather
EVT32197: Tower equipment damage from severe weather
EVT31641: DDoS-induced link saturation
EVT39723: Flooding damaged ground-level equipment |
16 successful calls recorded (voice, data, SMS)
0% failure rate across evaluated cell towers
Sampled traffic indicates stable connectivity following event resolutions |
Conduct a field inspection of ground-level equipment in Bandung and implement enhanced DDoS mitigation strategies. |
open |
2026-04-30 20:52:36.014727 |
| 138 |
network |
Yogyakarta |
User reported a spike in failed calls in the Yogyakarta region. |
EVT04608: Carrier aggregation failures on LTE-A cells
EVT04854: Carrier aggregation failures on LTE-A cells
EVT34357: Increased error rate on E1 backhaul circuit
EVT22563: Throughput degradation on northbound peering link
EVT15548: Intermittent DNS resolution failures |
CDR analysis shows 100% completion rate for sampled calls, though intermittent issues likely occurred during network degradation windows. |
Monitor Yogyakarta cell towers and backhaul performance closely to determine if further hardware or software intervention is required following the recent resolution of major degradation events. |
open |
2026-04-30 20:52:06.251900 |
| 137 |
network |
Makassar |
Customer reports consistent dropped calls in Makassar, correlated with recent network infrastructure issues. |
Major events: Backhoe strike (EVT21885) and carrier aggregation failures (EVT23467); various minor metro switch capacity exhaustion degradations. |
21 dropped and 14 failed calls out of 43 total; MKS-005, MKS-001, MKS-003, MKS-002, and MKS-004 are the worst-performing towers. |
Conduct a physical site inspection and hardware diagnostic on towers MKS-001 through MKS-005 to address localized capacity and connection failures. |
open |
2026-04-30 20:51:12.566440 |
| 136 |
network |
Jakarta |
Users in Jakarta are reporting persistent voice call quality issues including drops and failures over the last 14 days. |
EVT43639 (Backbone outage), EVT18887/EVT42949 (VoLTE negotiation failures), EVT45334 (E1 backhaul errors). |
High voice call failure/drop rate (only 12/28 successful), with JKT-001, JKT-002, and JKT-003 showing 60-70% bad-call percentages. |
Investigate current stability of JKT-001, JKT-002, and JKT-003 and monitor for recurrence of VoLTE codec/backbone issues. |
open |
2026-04-30 20:48:59.202893 |
| 135 |
network |
Makassar |
Customer is reporting major dropped calls in the Makassar region over the last 7 days. |
EVT23467: Carrier aggregation failures
EVT21885: Metro fiber outage
EVT17044, EVT41669, EVT39277, EVT00116: Capacity exhaustion
EVT21828, EVT07806: Throughput degradation
EVT14165: HLR cluster paging issues |
26 dropped calls (15 voice, 8 data, 3 SMS); 18 failed calls; MKS-005, MKS-001, and MKS-002 show >90% bad-call rates. |
Perform maintenance and re-balancing on high-failure towers (MKS-005, MKS-001, MKS-002) and review stability post-outage. |
open |
2026-04-30 07:52:30.865636 |
| 134 |
network |
Jakarta |
Users are experiencing degraded voice call quality in Jakarta, including high rates of dropped and failed calls. |
Critical backbone disruption (EVT43639); Major VoLTE codec negotiation failures (EVT18887, EVT42949); Major E1 backhaul degradation (EVT45334); Authentication latency (EVT15047). |
42.8% call completion rate; 57.1% failure/drop rate; high failure rates on towers JKT-003, JKT-002, JKT-001. |
Perform targeted maintenance on cell towers JKT-001, JKT-002, and JKT-003, and investigate ongoing network instability related to April 30th backbone/codec events. |
open |
2026-04-29 16:57:47.623245 |
| 133 |
network |
Jakarta |
The user is reporting poor voice call quality and frequent drops in Jakarta. |
EVT43639 (Backbone disruption)
EVT18887 (VoLTE codec negotiation failures)
EVT45334 (E1 backhaul circuit degradation)
EVT15047 (AAA cluster latency)
EVT08983 (Carrier aggregation failures) |
28 total voice calls with 16 failures/drops (57% failure rate); Towers JKT-003, JKT-002, and JKT-001 identified as primary points of failure. |
Prioritize hardware and configuration inspection for cell towers JKT-003, JKT-002, and JKT-001 to address high drop/failure rates. |
open |
2026-04-29 16:44:11.042490 |
| 132 |
network |
Jakarta |
Customer reports voice call quality degradation in Jakarta over the last 14 days, correlated with identified network infrastructure instabilities. |
EVT43639 (Backbone disruption)
EVT18887 (VoLTE codec failure)
EVT42949 (VoLTE codec failure)
EVT45334 (E1 backhaul error)
EVT15047 (AAA latency) |
57% voice call failure rate; towers JKT-003, JKT-002, JKT-001, and JKT-004 identified with 55-70% bad-call rates. |
NOC to prioritize stabilization of the JKT-00X series towers and investigate recurring VoLTE codec negotiation failures. |
open |
2026-04-29 16:00:57.572840 |
| 131 |
network |
Jakarta |
Customer reported declining voice call quality and connectivity in Jakarta over the last 14 days. |
EVT43639 Backbone disruption
EVT18887 VoLTE codec negotiation failures
EVT45334 E1 backhaul circuit error
EVT15047 AAA authentication latency
EVT37327 HLR paging response delays
EVT42949 VoLTE codec negotiation failures
EVT08983 LTE-A carrier aggregation failures
EVT30159 HLR paging response delays
EVT16373 BGP session flapping |
High failure/drop rate (9 dropped, 7 failed vs 12 completed). Worst-performing towers: JKT-001 to JKT-004 (55.6%-70% failure rate). |
Investigate identified cell towers JKT-001 through JKT-004 and prioritize stabilization of VoLTE/HLR infrastructure. |
open |
2026-04-29 15:56:58.855839 |
| 130 |
network |
Jakarta |
Customer is experiencing dropped voice call quality in Jakarta over the last 14 days. |
EVT43639 (Backbone disruption)
EVT18887 (VoLTE codec negotiation failures)
EVT45334 (Increased error rate on E1 backhaul circuit)
EVT15047 (Authentication latency spikes) |
57% voice failure/drop rate; JKT-003, JKT-002, and JKT-001 identified as worst performing towers. |
Prioritize infrastructure inspection of cell towers JKT-001, JKT-002, and JKT-003 and investigate the root cause of recurring VoLTE codec negotiation failures. |
open |
2026-04-29 15:53:37.186059 |
| 129 |
network |
Jakarta |
Customers in Jakarta are reporting frequent voice call quality drops and failures over the last 14 days. |
EVT43639 (Backbone disruption), EVT18887 (VoLTE codec failure), EVT45334 (E1 backhaul error), EVT15047 (AAA latency), EVT42949 (VoLTE codec failure). |
57% voice call failure/drop rate (16/28); Worst towers: JKT-003 (70%), JKT-002 (63.6%), JKT-001 (60%). |
Perform physical inspections and remote diagnostics on towers JKT-003, JKT-002, and JKT-001 in addition to ongoing infrastructure repairs. |
open |
2026-04-29 15:49:40.238704 |
| 128 |
network |
Jakarta |
User reports poor voice call quality in Jakarta, confirmed by high call drop rates and network degradation events. |
EVT43639 (Backbone outage), EVT18887/EVT42949 (VoLTE failures), EVT45334/EVT15047 (Major backhaul/AAA degradations). |
57% (16/28) voice call failure/drop rate observed, with primary issues at JKT-003 (70% failure), JKT-002 (63.6%), and JKT-001 (60%). |
Engineering teams must prioritize maintenance and configuration review for cell towers JKT-001, JKT-002, and JKT-003 while continuing to stabilize backbone and VoLTE infrastructure. |
open |
2026-04-29 15:47:01.320540 |
| 127 |
network |
Jakarta |
User reports voice call quality drops in Jakarta correlated with recent network outages and degradations. |
EVT43639: Backbone disruption (critical)
EVT45334: E1 backhaul degradation (major)
EVT18887: VoLTE codec negotiation failures (major)
EVT15047: AAA cluster latency (major) |
28 voice calls: 9 dropped, 7 failed, 12 completed; high failure rates at towers JKT-003 (70%), JKT-002 (63.6%), and JKT-001 (60%). |
Prioritize maintenance and inspection of towers JKT-003, JKT-002, and JKT-001, and perform deep-dive analysis on VoLTE codec negotiation stability. |
open |
2026-04-29 15:44:34.936788 |
| 126 |
network |
Jakarta |
Customer reported degraded voice call quality in Jakarta over the last 14 days, confirmed by high call failure and drop rates. |
EVT43639 (Backbone disruption)
EVT18887, EVT42949 (VoLTE codec negotiation failures)
EVT45334 (E1 backhaul error rate)
EVT15047 (AAA authentication latency)
EVT37327, EVT30159 (HLR paging latency) |
57% failure/drop rate for voice services in Jakarta. Highest bad-call rates at towers JKT-003 (70%), JKT-002 (63.6%), and JKT-001 (60%). |
Initiate a technical investigation into towers JKT-001, JKT-002, and JKT-003 to address localized hardware issues or congestion, while monitoring post-restoration stability. |
open |
2026-04-29 15:41:53.396146 |
| 125 |
network |
Jakarta |
Users in Jakarta are reporting significant drops in voice call quality over the last 14 days. |
EVT43639: Backbone disruption (critical)
EVT18887, EVT42949: VoLTE codec negotiation failures (major/minor)
EVT45334: E1 backhaul circuit error (major)
EVT15047: AAA authentication latency (major) |
60.7% bad-call rate for voice (12 completed, 9 dropped, 7 failed)
Worst-performing towers: JKT-003 (70%), JKT-002 (63.6%), JKT-001 (60%) |
Perform immediate maintenance on towers JKT-001, JKT-002, JKT-003, and JKT-004, and investigate recurring VoLTE codec negotiation failures. |
open |
2026-04-29 15:38:16.231071 |
| 124 |
network |
Jakarta |
Customer reports significant voice call quality degradation and drops in the Jakarta region over the past two weeks. |
EVT43639: Backbone disruption (Critical)
EVT18887: VoLTE codec failures (Major)
EVT45334: E1 backhaul error rate (Major)
EVT15047: AAA latency spikes (Major)
EVT42949: VoLTE codec failures (Minor) |
57% voice call failure/drop rate; Worst towers: JKT-003 (70%), JKT-002 (63.6%), JKT-001 (60%), JKT-004 (55.6%) |
Prioritize inspection of E1 backhaul circuits and VoLTE configuration for towers JKT-001 through JKT-004. |
open |
2026-04-29 15:24:24.732891 |
| 123 |
network |
Balikpapan |
Customers are reporting consistent bandwidth degradation across the Balikpapan region. |
EVT36583: BGP session flapping
EVT12001/EVT11418: Carrier aggregation failures
EVT22448/EVT26410/EVT37400: Throughput degradation
EVT36481: DNS resolution failures
EVT03879: Packet loss on regional core
EVT30158: E1 backhaul error rate
EVT35970: BGP session flapping |
Low call volume with 0% failure rate; no direct CDR evidence for bandwidth issues. |
Conduct a thorough review of transit peering links, LTE-A cell configurations, and regional core link stability to address recurring infrastructure-level degradation. |
open |
2026-04-29 15:24:00.399637 |
| 122 |
network |
Bandung |
Critical network outages occurred in Bandung over the last 7 days due to environmental and infrastructure damage. |
EVT07829: Flooding
EVT23628: Weather damage
EVT32197: Weather damage
EVT31641: DDoS attack
EVT39723: Flooding
EVT03479: Fiber strike
EVT20051: Flooding |
Analyzed sample shows 100% completion rate for 20 calls (voice/data/SMS) across key towers with 0% bad-call rates. |
Continue monitoring infrastructure resilience in Bandung and investigate potential proactive flood mitigation for ground-level equipment. |
open |
2026-04-29 15:23:42.746309 |
| 121 |
network |
Bandung |
Critical outages in Bandung caused by flooding, severe weather, DDoS, and fiber cuts over the last 7 days. |
EVT07829: Flooding damaged ground equipment
EVT23628: Tower damage from severe weather
EVT32197: Tower damage from severe weather
EVT31641: DDoS link saturation
EVT39723: Flooding damaged ground equipment
EVT03479: Backhoe fiber strike
EVT20051: Flooding damaged ground equipment |
Total: 20 calls (10 voice, 6 data, 4 SMS)
Status: All calls completed; zero dropped/failed
Towers: Top sites (BDG-001/2/4/5/6) show 0% bad-call rate |
Prioritize flood-proofing ground equipment and auditing tower resilience against severe weather. |
open |
2026-04-29 15:21:21.112446 |
| 120 |
network |
Yogyakarta |
Users are experiencing a spike in failed calls in Yogyakarta due to ongoing network instability. |
EVT12573 (Submarine cable cut)
EVT12371 (DDoS attack)
EVT07701 (Backbone disruption)
EVT04608, EVT04854 (Carrier aggregation failures)
EVT34357 (E1 backhaul errors)
EVT22563 (Peering link throughput)
EVT35227 (AAA latency) |
14 failed calls total: 7 data, 4 voice, 3 SMS. |
Continue monitoring network stability, specifically the LTE-A carrier aggregation and E1 backhaul circuits, while engineering teams perform further stabilization. |
open |
2026-04-29 15:20:57.887916 |
| 119 |
network |
Makassar |
User reported consistent dropped call and connectivity issues in Makassar over the past 7 days. |
Major fiber outage (EVT21885); LTE-A carrier aggregation failures (EVT23467); repeated metro capacity exhaustion (EVT17044, EVT41669, EVT39277, EVT00116). |
15 voice/8 data dropped; 11 voice/5 data failed; high failure rates at MKS-005 (100%), MKS-001 (91.7%), MKS-002 (90.9%). |
Perform hardware diagnostics on towers MKS-005, MKS-001, and MKS-002 to address localized failures, and continue monitoring metro network stability. |
open |
2026-04-29 15:20:37.828801 |
| 118 |
network |
Surabaya |
Dropped calls in Surabaya are not specifically worse on weekends but are part of a persistent, daily pattern of high network instability caused by frequent maintenance and outages. |
High frequency of daily maintenance, transformer fires, fiber damage, and VoLTE/backhaul degradations observed consistently over the last 30 days. |
Analysis shows no significant weekend bias; call drops are tied to a persistent, daily high volume of network incidents (outages, maintenance, and degradations) occurring throughout the month. |
Address the high daily volume of maintenance and infrastructure-related outages to reduce the overall background rate of call failures, rather than targeting specific weekend windows. |
open |
2026-04-29 15:18:21.993353 |
| 117 |
network |
Jakarta |
Customers in Jakarta are experiencing significant voice call drops and quality degradation over the last 14 days. |
EVT43639: Backbone disruption (Critical)
EVT18887: VoLTE codec negotiation failures (Major)
EVT45334: E1 backhaul error rate increase (Major)
EVT15047: AAA authentication latency (Major) |
Total 28 calls: 12 completed, 9 dropped, 7 failed (16/28 failure rate).
Worst performing towers: JKT-003 (70% failure), JKT-002 (63.6%), JKT-001 (60%). |
Prioritize immediate hardware maintenance for cell towers JKT-001, JKT-002, and JKT-003 while NOC teams continue monitoring backbone and VoLTE codec stability. |
open |
2026-04-29 15:15:34.403879 |
| 116 |
network |
Denpasar |
Customer in Denpasar reports persistent failed and dropped calls over the past month due to significant regional network instability. |
EVT28019 (Earthquake fiber damage), EVT01255 (Packet loss), EVT04225 (DNS failures), EVT28710 (VoLTE failures), EVT37456 (BGP flapping). |
82 total attempts: 60 successful, 22 unsuccessful (roughly 27% failure/drop rate). |
Continue network infrastructure repairs post-seismic event and prioritize stabilizing regional core links and DNS resolution to reduce call failures. |
open |
2026-04-29 15:12:11.334736 |
| 115 |
network |
Jakarta |
Jakarta has experienced persistent network instability with a high frequency of critical and major outages over the last quarter. |
Quarterly trend shows an average of 47 network events per week (combined critical and major events). |
11 successful calls (7 voice, 2 data, 2 SMS) in the past week with 0 failures/drops. |
Maintain proactive monitoring and infrastructure hardening in Jakarta to mitigate the risk of recurring high-impact network events. |
open |
2026-04-29 15:11:21.919574 |
| 114 |
network |
Surabaya |
User in Surabaya experiencing call failures due to significant network instability. |
EVT03749 (Transformer fire), EVT06654 (Earthquake fiber damage), EVT27291 (VoLTE degradation), EVT00398 (E1 backhaul degradation). |
45 attempts (18 voice): 6 completed, 8 dropped, 7 failed; Towers SBY-002/SBY-003 showing 70% bad-call rate. |
Investigate and stabilize local towers SBY-002 and SBY-003 and monitor for residual impacts from the recent Surabaya outages. |
open |
2026-04-29 15:10:47.437887 |
| 113 |
network |
unknown |
A high volume of critical network outages across multiple regions over the last 14 days has caused significant service instability and call failures. |
50 critical outage events including backbone disruptions, physical damage, and DDoS attacks. |
545 total attempts: 263 successful, 227 failed/dropped (high failure rate) |
Initiate a comprehensive network infrastructure audit and deploy additional protective measures against physical threats and DDoS attacks. |
open |
2026-04-29 15:10:05.946531 |
| 112 |
network |
Jakarta |
Customer reports poor voice call quality in Jakarta over the last 14 days. |
EVT43639 (Backbone disruption)
EVT18887 (VoLTE codec negotiation failures)
EVT45334 (E1 backhaul error rate)
EVT15047 (AAA latency spikes) |
28 total calls: 12 completed, 9 dropped, 7 failed (57% failure rate). Worst towers: JKT-003 (70%), JKT-002 (63.6%), JKT-001 (60%). |
Prioritize hardware and signal optimization for towers JKT-003, JKT-002, and JKT-001, and investigate recent backbone and VoLTE degradation events. |
open |
2026-04-29 13:32:15.524890 |
| 111 |
network |
unknown |
Multiple critical network outages (fiber cuts, flooding, DDoS, power failures) have significantly degraded service performance across multiple regions over the last 14 days. |
EVT35924: Bandung fiber cut. EVT36258: Balikpapan earthquake damage. EVT09340: Balikpapan DDoS. EVT24876: Surabaya earthquake damage. EVT33453: Makassar DDoS. (Full list of 50 events processed). |
Voice: 140 completed, 82 dropped, 51 failed. Data: 73 completed, 41 dropped, 28 failed. SMS: 51 completed, 15 dropped, 16 failed. Combined 40% failure/drop rate. |
Prioritize restoration of high-impact fiber routes and perform emergency load balancing to mitigate ongoing link saturation in major POPs. |
open |
2026-04-29 13:23:28.843608 |
| 110 |
network |
Jakarta |
The customer reports degraded voice call quality in the Jakarta region over the last 14 days. |
EVT43639 (Backbone outage), EVT18887 & EVT42949 (VoLTE codec negotiation failures), EVT45334 (E1 backhaul degradation). |
Voice traffic shows 57% failure/drop rate with underperforming towers JKT-003, JKT-002, and JKT-001. |
Perform localized hardware maintenance on towers JKT-001, JKT-002, and JKT-003 and continue monitoring network stability following the recent backbone outage resolution. |
open |
2026-04-29 13:22:36.007437 |
| 109 |
network |
unknown |
A series of 50 critical network outages over the past 14 days has caused significant degradation in voice, data, and SMS service reliability across multiple regions. |
50 critical outages reported across multiple regions, including Jakarta, Bandung, Medan, and Balikpapan, involving fiber cuts, DDoS attacks, and weather damage. |
233 dropped/failed calls out of 548 analyzed records indicating severe service degradation. |
Conduct a thorough audit of the impacted regions and prioritize infrastructure hardening against external threats like weather and physical damage. |
open |
2026-04-29 12:57:31.879688 |
| 108 |
network |
Balikpapan |
User reports bandwidth degradation across Balikpapan. |
EVT36583: BGP flapping (Critical)
EVT12001, EVT22448, EVT26410, EVT11418: Major throughput and CA failures
EVT36481, EVT03879, EVT30158, EVT35970, EVT37400: Minor core, DNS, and backhaul issues |
12 total calls (6 voice, 3 data, 3 SMS) all completed successfully with no drops. |
Investigate the root cause of frequent transit peer BGP flapping and northbound peering throughput issues in Balikpapan as they correlate with the reported degradation. |
open |
2026-04-29 12:19:35.873883 |
| 107 |
network |
Bandung |
Critical network connectivity issues and multiple outages reported in Bandung over the last 7 days. |
7 critical outages recorded including flooding, weather damage, DDoS, and fiber strikes. |
CDR data shows zero failed calls but likely misses outage periods due to service unavailability. |
Initiate a thorough review of infrastructure resilience in Bandung and improve logging visibility for outage-affected periods. |
open |
2026-04-29 12:18:35.270034 |
| 106 |
network |
Yogyakarta |
Customers in Yogyakarta are reporting a spike in failed calls and data connectivity issues this week. |
Submarine cable cut affecting Yogyakarta gateway (EVT12573)
DDoS-induced link saturation in Yogyakarta POP (EVT12371)
Carrier aggregation failures on LTE-A cells (EVT04608, EVT04854)
Increased error rate on E1 backhaul circuit (EVT34357) |
70% failure/drop rate for data sessions
54% failure/drop rate for voice calls
60% SMS failure rate
Worst towers: YOG-001 (83.3% failure) and YOG-003 (75% failure) |
Prioritize restoration of the submarine cable gateway and investigate link saturation in the Yogyakarta POP while monitoring tower performance for YOG-001 and YOG-003. |
open |
2026-04-29 12:18:17.365745 |
| 105 |
network |
Makassar |
Customer reported major dropped calls in the Makassar region over the last 7 days. |
EVT21885: Backhoe strike on metro fiber; EVT23467: Carrier aggregation failures on LTE-A; Multiple capacity exhaustion events on metro aggregation switches (EVT17044, EVT41669, EVT39277, EVT00116). |
Voice: 15 dropped, 11 failed; Data: 8 dropped, 5 failed; SMS: 3 dropped, 2 failed. Worst towers: MKS-005 (100% failure), MKS-001 (91.7% bad-call rate), MKS-002 (90.9% bad-call rate). |
Continue monitoring stability of towers MKS-005 and MKS-001 and investigate residual capacity issues on metro aggregation switches. |
open |
2026-04-29 12:17:33.248203 |
| 104 |
network |
Jakarta |
User reports poor voice call quality in Jakarta over the last 14 days, correlating with recent network outages and degradations. |
EVT43639 (Backbone outage), EVT18887 & EVT42949 (VoLTE codec issues), EVT45334 (Backhaul circuit), EVT15047 (AAA latency), EVT37327 & EVT30159 (HLR paging issues). |
57% failure rate in voice calls; JKT-003, JKT-002, and JKT-001 identified as worst performing towers. |
Dispatch field technicians to inspect JKT-001, JKT-002, and JKT-003 and perform a stability audit on the Jakarta backbone and HLR/AAA clusters. |
open |
2026-04-29 12:16:24.955940 |
| 103 |
network |
Balikpapan |
Customer reported bandwidth degradation in Balikpapan linked to multiple infrastructure events including BGP flapping and throughput issues. |
EVT36583, EVT12001, EVT22448, EVT26410, EVT11418, EVT36481, EVT03879, EVT30158, EVT35970, EVT37400 |
Sampled call data shows 100% completion rate for all voice, data, and SMS traffic with no tower failures identified. |
NOC to monitor core peering links and transit BGP sessions for stability as previous infrastructure degradation may recur. |
open |
2026-04-29 11:49:10.871455 |
| 102 |
network |
Balikpapan |
User reported bandwidth degradation across Balikpapan which corresponds to confirmed regional network instability. |
EVT36583: BGP flapping
EVT12001, EVT11418: Carrier aggregation failures
EVT22448, EVT26410, EVT37400: Throughput degradation
EVT36481: DNS failures
EVT03879: Packet loss
EVT30158: E1 backhaul errors
EVT35970: BGP flapping |
12 interactions analyzed, all completed successfully (6 voice, 3 data, 3 SMS) with no session failures. |
NOC should prioritize root cause analysis for identified BGP flapping and carrier aggregation issues to stabilize regional throughput. |
open |
2026-04-29 11:42:51.888169 |
| 101 |
network |
Bandung |
Customer reports consistent critical network outages in Bandung over the last 7 days. |
EVT07829 (Flooding), EVT23628 (Weather), EVT32197 (Weather), EVT31641 (DDoS), EVT39723 (Flooding), EVT03479 (Fiber cut), EVT20051 (Flooding) |
21 calls (10 voice, 7 data, 4 SMS) successfully completed; 0% failure rate on top 5 towers. |
Continue monitoring for intermittent service gaps as traffic patterns stabilize following widespread physical infrastructure repairs. |
open |
2026-04-29 11:42:20.747045 |
| 100 |
network |
Yogyakarta |
Users in Yogyakarta are experiencing a significant spike in failed and dropped calls due to recent infrastructure degradation. |
LTE-A carrier aggregation failures (EVT04608, EVT04854)
E1 backhaul circuit errors (EVT34357)
Northbound peering throughput degradation (EVT22563) |
63% of calls failed/dropped over 7 days, with towers YOG-001 (83.3%) and YOG-003 (75.0%) being the most severely impacted. |
Perform an immediate hardware inspection and signal recalibration at towers YOG-001 and YOG-003, and monitor backhaul stability following recent error spikes. |
open |
2026-04-29 11:41:43.959047 |
| 99 |
network |
Makassar |
Customer reported major dropped calls in Makassar over the last 7 days due to widespread network instability. |
EVT23467 (LTE-A failures), EVT21885 (fiber outage), EVT17044/EVT41669/EVT39277/EVT00116 (metro switch capacity exhaustion), EVT14165 (HLR paging delay), EVT21828/EVT07806 (peering link degradation). |
55 total calls; 15 dropped voice, 11 failed voice; MKS-005 (100% fail), MKS-001 (91.7% fail/drop), MKS-002 (90.9% fail/drop), MKS-003 (87.5% fail/drop), MKS-004 (75% fail/drop). |
Prioritize hardware maintenance and capacity upgrades on towers MKS-001 through MKS-005 and investigate metro aggregation switch congestion. |
open |
2026-04-29 11:41:11.923601 |
| 98 |
network |
Jakarta |
Users in Jakarta are experiencing degraded voice call quality, characterized by high rates of dropped and failed calls. |
Backbone disruption (EVT43639); VoLTE codec negotiation failures (EVT18887, EVT42949); E1 backhaul circuit errors (EVT45334). |
57% failure/drop rate on voice calls; JKT-003, JKT-002, and JKT-001 identified as primary problematic towers. |
Initiate urgent maintenance on towers JKT-003, JKT-002, and JKT-001 and investigate residual VoLTE codec and backhaul issues. |
open |
2026-04-29 11:38:26.881904 |
| 97 |
network |
Jakarta |
Significant voice call quality issues and high drop rates reported in Jakarta over the last 14 days. |
[EVT43639] Backbone disruption between Jakarta and Singapore (critical)
[EVT18887] VoLTE codec negotiation failures (major)
[EVT45334] Increased error rate on E1 backhaul circuit (major)
[EVT15047] Authentication latency spikes on AAA cluster (major)
[EVT37327] Slow paging response on HLR cluster (minor) |
57% voice call failure rate (9 dropped, 7 failed)
Worst towers: JKT-003 (70% failure), JKT-002 (63.6% failure), JKT-001 (60% failure)
Findings align with backhaul and codec negotiation degradations. |
The NOC should prioritize stabilizing E1 backhaul circuits and addressing VoLTE codec negotiation failures, particularly at towers JKT-001, JKT-002, and JKT-003. |
open |
2026-04-29 11:27:12.219055 |
| 96 |
network |
Balikpapan |
Bandwidth degradation across Balikpapan caused by multiple infrastructure issues including a submarine cable cut and fiber backhoe strikes. |
EVT36583: BGP session flapping
EVT36716: E1 backhaul error rate
EVT22448: Throughput degradation
EVT26410: Throughput degradation
EVT12001: LTE-A carrier aggregation failure
EVT46890: Submarine cable cut
EVT11418: LTE-A carrier aggregation failure
EVT23712: Metro fiber backhoe strike
EVT39078: DNS resolution failures |
No dropped or failed call records detected. |
NOC to monitor transit peer stability and continue capacity optimization following recent fiber restoration activities. |
open |
2026-04-29 11:26:46.402675 |
| 95 |
network |
Bandung |
Customer reports critical and consistent network outages in Bandung over the past 7 days. |
EVT07829: Flooding
EVT23628: Severe weather
EVT32197: Severe weather
EVT31641: DDoS/Link saturation
EVT39723: Flooding
EVT03479: Fiber strike
EVT20051: Flooding |
21 total calls (voice/data/SMS) all successfully completed with no dropped or failed calls observed. |
Prioritize infrastructure hardening for flood-prone equipment and metro fiber protection, as current outages are driven by physical/environmental damage rather than capacity failures. |
open |
2026-04-29 11:25:58.887072 |
| 94 |
network |
Yogyakarta |
Yogyakarta is experiencing a spike in failed and dropped calls due to regional network instability. |
EVT12573 (Submarine cable cut), EVT12371 (DDoS attack), EVT04608/EVT04854 (Carrier aggregation failures). |
Data: 7 failed, 5 dropped; Voice: 4 failed, 3 dropped; SMS: 3 failed. Towers YOG-001/003/004/002 show 60-83% bad-call rates. |
Prioritize stability monitoring for affected towers YOG-001/003/004/002 and continue evaluating impact from recent submarine cable cut and DDoS events. |
open |
2026-04-29 11:25:41.257757 |
| 93 |
network |
Jakarta |
Users in Jakarta are experiencing dropped calls and poor voice quality, likely due to systemic network instability. |
Critical backbone disruption (EVT43639) and major degradations (VoLTE, AAA latency, E1 backhaul circuit errors). |
57% of voice calls failed or dropped, with towers JKT-003 and JKT-002 showing highest impact. |
Investigate and stabilize high-impact towers JKT-003 and JKT-002, and review AAA and backhaul configurations. |
open |
2026-04-29 11:24:43.051150 |
| 92 |
network |
Jakarta |
The customer is experiencing a significantly higher rate of dropped calls in Jakarta during the weekends compared to weekdays. |
Backbone disruptions, VoLTE codec failures, authentication latency, and carrier aggregation failures recorded throughout the month. |
Dropped call rate 39.5% on weekends vs 0% on weekdays. |
Investigate localized cell tower performance during weekend peak hours and correlate with traffic volume. |
open |
2026-04-29 10:19:17.351555 |
| 91 |
network |
Surabaya |
User in Surabaya cannot make outgoing calls, phone keeps showing call failed errors. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT00398: E1 backhaul circuit errors |
High voice failure/drop rates (15/19 total).
Towers SBY-002 (100% failure/drop rate) and SBY-003 (77.8% failure/drop rate) are most affected. |
Investigate SBY-002 and SBY-003 towers for link health and VoLTE stability following recent infrastructure repairs. |
open |
2026-04-29 10:17:25.136935 |
| 90 |
network |
Jakarta |
Voice call quality dropping in Jakarta over the last 14 days. |
[EVT43639] Backbone disruption between Jakarta and Singapore (Critical)
[EVT21177] Transformer fire at Jakarta aggregation hub (Critical)
[EVT17567] VoLTE codec negotiation failures (Critical)
[EVT15047] Authentication latency spikes on AAA cluster (Major) |
Total Voice Records: 28 (12 completed, 9 dropped, 7 failed)
Success Rate: ~43%
Worst Towers: JKT-003 (70% failure), JKT-002 (63.6% failure), JKT-001 (60% failure) |
Prioritize stabilization of VoLTE codec negotiation and investigation of AAA cluster latency in Jakarta, focusing on towers JKT-003 and JKT-002. |
open |
2026-04-29 10:11:38.725782 |
| 89 |
network |
Balikpapan |
Customers in Balikpapan are experiencing significant bandwidth degradation due to a series of network infrastructure events. |
EVT36583: BGP session flapping
EVT12001 & EVT11418: Carrier aggregation failures
EVT22448, EVT26410 & EVT37400: Throughput degradation on peering
EVT36481: Intermittent DNS failures
EVT03879: Core link packet loss
EVT30158: E1 backhaul circuit errors
EVT35970: BGP session flapping |
100% call completion rate across 12 recorded samples with 0% bad-call percentages on top towers; data throughput impact is evident despite stable voice/SMS connectivity. |
Continue technical stabilization efforts on transit peering and LTE-A backhaul links, and monitor for throughput improvements. |
open |
2026-04-29 10:11:09.278164 |
| 88 |
network |
Bandung |
Customer reported critical network outages in the Bandung region occurring over the last 7 days. |
Seven critical outages including flooding, severe weather, DDoS, and fiber strikes recorded in Bandung. |
CDR analysis shows 100% completion rate for 21 calls; however, this reflects limited sample size during widespread outages. |
Prioritize infrastructure hardening for flood resilience and investigate fiber pathway diversity to mitigate future outages. |
open |
2026-04-29 10:10:48.467866 |
| 87 |
network |
Yogyakarta |
Customer reported a significant spike in failed calls in the Yogyakarta region over the last week. |
Carrier aggregation failures on LTE-A cells (EVT04608, EVT04854)
Increased error rate on E1 backhaul circuit (EVT34357)
Throughput degradation on northbound peering link (EVT22563)
Intermittent DNS resolution failures (EVT15548) |
14 failed and 8 dropped calls across services in the last 7 days
Tower YOG-001: 83.3% failure/drop rate
Tower YOG-003: 75% failure rate
Tower YOG-004: 60% failure/drop rate |
Direct infrastructure teams to investigate towers YOG-001 and YOG-003 for LTE-A and backhaul circuit issues. |
open |
2026-04-29 10:10:21.713760 |
| 86 |
network |
Makassar |
The customer reported consistent dropped calls in Makassar over the last 7 days, which correlate with recent infrastructure outages and capacity issues. |
EVT23467 (LTE-A Carrier aggregation failures)
EVT21885 (Metro fiber outage)
EVT17044 (Capacity exhaustion)
EVT21828 (Throughput degradation)
EVT41669 (Capacity exhaustion)
EVT49390 (Power restoration)
EVT14165 (Slow HLR paging response)
EVT39277 (Capacity exhaustion)
EVT07806 (Throughput degradation)
EVT00116 (Capacity exhaustion) |
26 dropped calls and 18 failed calls; identified worst-performing cell towers: MKS-005 (100% fail), MKS-001 (91.7% fail/drop), MKS-002 (90.9% fail/drop), MKS-003 (87.5% fail/drop), and MKS-004 (75% fail/drop). |
NOC should initiate localized maintenance and optimization for cell towers MKS-001, MKS-002, MKS-003, MKS-004, and MKS-005 to address persistent performance issues. |
open |
2026-04-29 10:09:54.300603 |
| 85 |
network |
Jakarta |
Customer reports dropped voice call quality in Jakarta over the last 14 days. |
EVT43639 (Backbone disruption)
EVT18887, EVT42949 (VoLTE codec negotiation failures)
EVT45334 (E1 backhaul error)
EVT15047 (AAA authentication latency) |
Highest call activity at towers JKT-001, JKT-002, and JKT-005 in Jakarta. |
Investigate towers JKT-001, JKT-002, and JKT-005 for localized impact of identified VoLTE codec negotiation failures and backbone issues. |
open |
2026-04-29 09:43:25.486725 |
| 84 |
network |
Balikpapan |
The user reported bandwidth degradation in Balikpapan which correlates with multiple network infrastructure issues observed over the past week. |
EVT36583 (BGP flapping)
EVT12001 (Carrier aggregation failure)
EVT22448 (Throughput degradation)
EVT26410 (Throughput degradation)
EVT11418 (Carrier aggregation failure)
EVT36481 (DNS resolution failure)
EVT03879 (Packet loss)
EVT30158 (E1 backhaul error)
EVT35970 (BGP flapping)
EVT37400 (Throughput degradation) |
none |
Continue monitoring regional core links and peering throughput as multiple intermittent degradation events were identified. |
open |
2026-04-29 09:43:03.383212 |
| 83 |
network |
Bandung |
Critical network outages occurred in Bandung over the last 7 days due to flooding, severe weather, DDoS, and infrastructure damage. |
EVT07829: Flooding
EVT23628: Severe weather
EVT32197: Severe weather
EVT31641: DDoS link saturation
EVT39723: Flooding
EVT03479: Fiber strike
EVT20051: Flooding |
No CDR data found for reported outage windows. |
Investigate the data logging pipeline health in Bandung to determine why call detail records are missing for known outage windows. |
open |
2026-04-29 09:39:42.068035 |
| 82 |
network |
Yogyakarta |
Customer reports a spike in failed calls in the Yogyakarta region, correlated with recent network degradation events. |
EVT04608, EVT04854: Carrier aggregation failures on LTE-A cells.
EVT34357: Increased error rate on E1 backhaul circuit.
EVT22563: Throughput degradation on northbound peering link.
EVT15548: Intermittent DNS resolution failures. |
22 dropped/failed calls recorded across 6 towers (YOG-003, YOG-004, YOG-001, YOG-002, YOG-005, YOG-006).
Primary impact concentrated on YOG-003 and YOG-004. |
Investigate and perform site-specific maintenance on towers YOG-003 and YOG-004 to resolve lingering hardware or backhaul issues following recent network degradations. |
open |
2026-04-29 09:38:03.085402 |
| 81 |
network |
Makassar |
Customer reported major dropped calls in Makassar over the last 7 days. |
EVT23467 (LTE-A aggregation failure); EVT21885 (Fiber outage); Multiple capacity exhaustion events on metro aggregation switches. |
6 cell towers identified with dropped/failed calls; MKS-001 (11) and MKS-002 (10) reported highest frequency. |
Monitor MKS-001 and MKS-002 towers for continued instability and perform proactive load balancing on aggregation switches. |
open |
2026-04-29 09:37:17.698260 |
| 80 |
network |
Jakarta |
Customer reports slow internet speeds in Jakarta during peak hours. |
EVT43639: Backbone disruption
EVT45334: E1 backhaul degradation
EVT15047: AAA authentication latency
EVT18887: VoLTE negotiation failures |
Total data usage of 736.6 MB with zero failed calls indicates performance degradation rather than total connectivity loss. |
Monitor backbone and backhaul stability; inform user that recent network maintenance/incidents are being addressed. |
open |
2026-04-29 09:25:20.037967 |
| 79 |
network |
Surabaya |
Customer reported major dropped calls in Surabaya, likely linked to recent regional network instability and localized tower performance issues. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT46472: Carrier aggregation failures
EVT00398: Increased E1 backhaul error rate
EVT46995: Slow paging response
EVT49531: Power restored
EVT31407: Carrier aggregation failures
EVT15625: Intermittent DNS failures
EVT49957: Equipment replacement complete |
Total 46 dropped calls across 6 towers, with localized peaks at SBY-002 (15) and SBY-001 (11). |
Investigate cell towers SBY-001 and SBY-002 for localized hardware or configuration faults, while monitoring general network stability following recent outages. |
open |
2026-04-29 09:22:27.761731 |
| 78 |
hardware |
Bandung |
User reports frequent router disconnections in Bandung. |
EVT07829 (Flooding outage), EVT10926 & EVT23715 (Throughput degradation), EVT43683 & EVT10457 (BGP flapping), EVT25537 (AAA latency), EVT38663 (Packet loss), EVT49551 (Restoration), EVT38861 & EVT10835 (Maintenance) |
No failed calls recorded in the region over the last 7 days. |
Monitor connectivity while regional infrastructure recovery efforts continue; no localized tower failure detected. |
open |
2026-04-29 09:03:42.319539 |
| 77 |
billing |
unknown |
Customer reported being charged twice for international calls. |
none |
Total completed voice call volume: 282 calls (avg 353.6s); 149 data transactions; 93 SMS transactions; No evidence of technical cause for double-billing. |
Refer case to the billing department for a detailed audit of the specific transaction logs for the affected customer's account. |
open |
2026-04-29 09:02:06.044120 |
| 76 |
network |
Jakarta |
The user reports slow internet speeds in Jakarta, particularly during peak hours. |
EVT43639: Backbone disruption between Jakarta and Singapore (Critical)
EVT18887: VoLTE codec negotiation failures (Major)
EVT45334: Increased error rate on E1 backhaul circuit (Major)
EVT15047: Authentication latency spikes on AAA cluster (Major)
EVT49851: Failover to backup path completed (Minor)
EVT37327: Slow paging response on HLR cluster (Minor)
EVT42949: VoLTE codec negotiation failures (Minor)
EVT16373: BGP session flapping on transit peer (Minor)
EVT08983: Carrier aggregation failures on LTE-A cells (Minor)
EVT30159: Slow paging response on HLR cluster (Minor) |
No dropped or failed calls recorded in Jakarta in the last 7 days. |
Monitor network stability and throughput in Jakarta during peak hours following the recent backbone restoration. |
open |
2026-04-29 09:01:38.247195 |
| 75 |
network |
Surabaya |
Customer reports major dropped calls in the Surabaya region. |
EVT27291 (VoLTE failure)
EVT06654 (Fiber damage)
EVT03749 (Transformer fire)
EVT46472 (LTE-A failure) |
Six towers (SBY-001 through SBY-006) reported 27 total dropped/failed calls, with SBY-002 and SBY-003 being most impacted. |
Perform targeted maintenance and signal optimization on towers SBY-002, SBY-003, and SBY-004 to stabilize handovers following recent infrastructure damage. |
open |
2026-04-29 09:01:05.237816 |
| 74 |
network |
unknown |
Customer in Denpasar reports failed and dropped calls over the past month. |
Event EVT03421: Critical Degradation due to Capacity exhaustion on metro aggregation switch.
Event EVT27805: Critical Outage due to Submarine cable cut affecting Denpasar gateway.
Event EVT09363: Critical Outage due to Earthquake damage to fiber conduit near Denpasar.
Event EVT31235: Critical Degradation due to Capacity exhaustion on metro aggregation switch.
Event EVT29119: Critical Outage due to Tower equipment damage from severe weather event.
Event EVT04684: Critical Degradation due to Slow paging response on HLR cluster. |
No failed or dropped calls were found in Denpasar. All 20 records retrieved indicate "completed" calls. |
Investigate reported call issues further, considering the numerous critical network events in Denpasar despite no failed/dropped calls in CDR. |
open |
2026-04-29 08:54:38.418715 |
| 73 |
network |
Jakarta |
User reports experiencing slow internet speeds in Jakarta during peak hours. |
EVT43639: Backbone disruption; EVT18887, EVT42949: VoLTE failures; EVT45334: Backhaul errors; EVT15047: AAA latency; EVT37327, EVT30159: HLR paging delays; EVT08983: Carrier aggregation failure; EVT16373: BGP flapping. |
No dropped or failed data calls recorded. |
Investigate throughput metrics and latency trends to correlate with recent backbone, backhaul, and aggregation degradations. |
open |
2026-04-29 08:35:32.167497 |
| 72 |
network |
Surabaya |
Users in Surabaya are experiencing major issues with dropped calls. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT46472: LTE-A carrier aggregation failures
EVT00398: E1 backhaul circuit errors
EVT46995: HLR cluster paging response latency
EVT31407: LTE-A carrier aggregation failures
EVT15625: DNS resolution failures |
6 cell towers affected, with SBY-002, SBY-003, and SBY-004 showing the highest frequency of failed/dropped calls. |
Perform a stability audit on towers SBY-002, SBY-003, and SBY-004 to address residual network instability following recent infrastructure outages. |
open |
2026-04-29 08:34:02.530600 |
| 71 |
hardware |
Bandung |
Customer reports recurring router disconnections in Bandung. |
EVT07829 (Critical Outage), EVT10926 (Major Degradation), EVT43683 (Major Degradation), EVT25537 (Minor Degradation), EVT10457 (Minor Degradation), EVT38663 (Minor Degradation), EVT23715 (Minor Degradation), EVT49551 (Restoration), EVT38861 (Maintenance), EVT10835 (Maintenance) |
Zero failed calls recorded in the Bandung area CDR database over the last 7 days. |
Advise customer to perform a factory reset of the router or request a hardware replacement through technical support. |
open |
2026-04-29 08:23:29.612468 |
| 70 |
billing |
unknown |
Customer reported being charged twice for international calls. |
none |
524 total calls (282 voice, 149 data, 93 SMS); avg voice duration 353.6s; no systemic technical correlation to double-charging. |
Escalate to the Customer Billing Department for a direct audit of the subscriber's account history. |
open |
2026-04-29 08:22:39.493344 |
| 69 |
network |
Jakarta |
The customer is experiencing slow internet speeds in Jakarta during peak hours. |
EVT43639: Backbone disruption between Jakarta and Singapore (critical outage)
EVT18887: VoLTE codec negotiation failures (major degradation)
EVT45334: Increased error rate on E1 backhaul circuit (major degradation)
EVT15047: Authentication latency spikes on AAA cluster (major degradation)
EVT37327: Slow paging response on HLR cluster (minor degradation)
EVT42949: VoLTE codec negotiation failures (minor degradation)
EVT08983: Carrier aggregation failures on LTE-A cells (minor degradation)
EVT30159: Slow paging response on HLR cluster (minor degradation)
EVT16373: BGP session flapping on transit peer (minor degradation)
EVT49851: Failover to backup path completed for Jakarta (minor restoration) |
No dropped or failed data calls were recorded in the last 7 days, suggesting a performance degradation rather than a total service outage. |
Investigate the root causes of the identified network degradation events and their direct impact on internet throughput in Jakarta. |
open |
2026-04-29 08:21:28.353638 |
| 68 |
network |
Surabaya |
Customer reported experiencing major dropped calls in the Surabaya region. |
EVT27291 (VoLTE failure), EVT06654 (Fiber outage), EVT03749 (Transformer fire), EVT46472 (LTE-A failure). |
Towers SBY-002 and SBY-003 reported 7 dropped calls each, with SBY-004 reporting 6 incidents. |
Conduct a targeted inspection and optimization of cell towers SBY-002, SBY-003, and SBY-004 to address remaining instability. |
open |
2026-04-29 08:20:23.330457 |
| 67 |
hardware |
Bandung |
User reports persistent router disconnections in Bandung. |
EVT07829 (Flooding), EVT10926 (Throughput degradation), EVT43683 (BGP flapping), EVT25537 (AAA latency), EVT10457 (BGP flapping), EVT38663 (Packet loss), EVT23715 (Throughput degradation). |
No failed call records found at the tower level in Bandung. |
Advise user to perform physical hardware troubleshooting (power cycle, check cables, factory reset) as network-wide events have stabilized and no local tower failures were detected. |
open |
2026-04-29 08:04:19.219099 |
| 66 |
billing |
unknown |
Customer reports being charged twice for international calls. |
none |
Analyzed 524 calls (282 voice, 93 SMS, 149 data) over 30 days with no systemic anomalies observed. |
Escalate the ticket to the Billing Department for a detailed review of the customer's call records and invoice history. |
open |
2026-04-29 08:03:29.134544 |
| 65 |
network |
Jakarta |
Customer reported slow internet speeds in Jakarta during peak hours, likely due to recent network congestion and transit disruptions. |
EVT43639: Backbone disruption
EVT18887: VoLTE degradation
EVT45334: E1 backhaul error
EVT15047: AAA cluster latency
EVT37327: HLR paging delay
EVT42949: VoLTE degradation
EVT08983: LTE-A aggregation failure
EVT30159: HLR paging delay
EVT16373: BGP session flapping
EVT49851: Restoration/Failover completed |
none |
Monitor network performance post-backbone restoration and investigate long-term HLR and transit peering stability. |
open |
2026-04-29 08:03:05.465587 |
| 64 |
network |
Surabaya |
User is experiencing major dropped calls in the Surabaya region. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT46472/EVT31407: Carrier aggregation failures on LTE-A cells |
27 total dropped/failed calls logged across 6 cell towers, with SBY-002, SBY-003, and SBY-004 accounting for 20 incidents. |
Perform targeted maintenance and signal optimization on towers SBY-002, SBY-003, and SBY-004 to address the persistent network degradation. |
open |
2026-04-29 08:02:18.004356 |
| 63 |
billing |
Jakarta |
Customer reported being double-charged for international calls. |
[EVT43639] Critical outage (Backbone disruption Jakarta-Singapore) on 2026-04-30. |
Only 6 completed voice calls identified in Jakarta, suggesting localized session duplication. |
Investigate the 6 specific call records identified in Jakarta for potential duplication or session overlap. |
open |
2026-04-29 07:43:27.143949 |
| 62 |
hardware |
Bandung |
Customer reports persistent router disconnections in Bandung. |
EVT07829 (Critical outage: flooding)
EVT10926 (Major degradation: throughput)
EVT43683 (Major degradation: BGP flapping)
EVT25537, EVT10457, EVT38663, EVT23715 (Minor degradations)
EVT49551 (Restoration)
EVT38861, EVT10835 (Maintenance) |
none |
Advise customer to power-cycle the router and contact technical support for physical inspection or hardware replacement. |
open |
2026-04-29 07:42:06.182018 |
| 61 |
network |
Surabaya |
Customer reported major dropped calls in Surabaya, which correlates with recent network outages and degradations. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT46472: Carrier aggregation failures
EVT00398: E1 backhaul circuit error rate increase
EVT46995: Slow paging response on HLR cluster
EVT31407: Carrier aggregation failures
EVT15625: Intermittent DNS resolution failures |
6 towers affected; SBY-002 and SBY-003 are most heavily impacted with 7 incidents each. |
Prioritize maintenance and inspection of towers SBY-002 and SBY-003 and monitor for residual stability issues following recent outages. |
open |
2026-04-29 07:40:57.652091 |
| 60 |
billing |
unknown |
Customer reported being charged twice for international calls. |
none |
Total activity: 525 events (282 voice, 149 data, 94 SMS).
Voice traffic: 282 calls with average duration of 353 seconds.
Billing context: No evidence of network-related duplicate charges. |
Direct the customer to contact Customer Support for account-level billing investigation and resolution. |
open |
2026-04-29 07:18:45.231196 |
| 59 |
network |
Jakarta |
The user reports experiencing slow internet connectivity speeds in Jakarta during peak hours. |
EVT43639 (Backbone disruption)
EVT18887 (VoLTE codec negotiation)
EVT45334 (E1 backhaul circuit error rate)
EVT15047 (AAA cluster latency)
EVT49851 (Failover to backup)
EVT37327 (HLR cluster slow paging)
EVT42949 (VoLTE codec negotiation)
EVT08983 (LTE-A carrier aggregation)
EVT30159 (HLR cluster slow paging)
EVT16373 (BGP session flapping) |
No reported dropped or failed data calls in Jakarta. |
Investigate recent backbone and backhaul performance trends during peak hours to correlate with user reports of slow speeds. |
open |
2026-04-29 07:16:21.792735 |
| 58 |
network |
Surabaya |
Customer is experiencing major dropped calls in the Surabaya region. |
EVT27291: VoLTE codec negotiation failures
EVT06654: Earthquake damage to fiber conduit
EVT03749: Transformer fire at aggregation hub
EVT46472/EVT31407: Carrier aggregation failures
EVT00398: Increased error rate on E1 backhaul circuit
EVT46995: Slow paging response on HLR cluster
EVT15625: Intermittent DNS resolution failures |
SBY-002 (7 incidents)
SBY-003 (7 incidents)
SBY-004 (6 incidents)
SBY-006 (3 incidents)
SBY-001 (2 incidents)
SBY-005 (2 incidents) |
Prioritize technical field inspections for cell towers SBY-002, SBY-003, and SBY-004 to address persistent connectivity issues and potential localized hardware damage. |
open |
2026-04-29 07:15:53.879152 |
| 57 |
network |
Jakarta |
Customer reports slow internet connectivity in Jakarta during peak hours. |
EVT43639 (Critical Backbone Outage), EVT18887/EVT42949 (VoLTE degradation), EVT45334 (E1 backhaul error), EVT15047 (AAA latency), EVT37327/EVT30159 (HLR paging issues), EVT08983 (LTE-A aggregation failure), EVT16373 (BGP flapping) |
none |
NOC to monitor stability of backbone links and AAA/HLR clusters in Jakarta following recent service restoration. |
open |
2026-04-29 07:11:58.809451 |
| 56 |
network |
Jakarta |
User reported slow internet connectivity in Jakarta during peak hours. |
Multiple degradations reported including backbone disruptions and HLR/AAA cluster latency. |
Concentrated high traffic on JKT-002 vs low utilization on others suggests uneven load balancing. |
Review load balancing configurations and optimize capacity for high-traffic sites like JKT-002. |
open |
2026-04-29 07:09:05.259792 |
| 55 |
hardware |
Bandung |
Customer reports persistent router disconnection in Bandung. |
EVT07829 (Critical outage: Flooding)
EVT10926 (Major degradation: Throughput)
EVT43683 (Major degradation: BGP)
EVT25537 (Minor degradation: Auth latency)
EVT10457 (Minor degradation: BGP)
EVT38663 (Minor degradation: Packet loss)
EVT23715 (Minor degradation: Throughput)
EVT49551 (Minor restoration)
EVT38861 (Minor maintenance)
EVT10835 (Minor maintenance) |
none |
Advise customer to perform a power cycle; if the issue persists, schedule a technician to inspect the local hardware as no systemic regional network failures are currently active. |
open |
2026-04-29 07:08:43.393536 |
| 54 |
billing |
unknown |
Customer reported being charged twice for international calls. |
none |
Total voice calls: 282, Avg duration: 353.6s, Data sessions: 149, SMS records: 94. |
Route to the Billing Department for direct review of account billing records. |
open |
2026-04-29 07:08:19.187090 |
| 53 |
network |
Jakarta |
Customer reported slow internet speeds during peak hours in Jakarta, potentially linked to recent network instability. |
EVT43639 - Backbone disruption (critical)
EVT18887 - VoLTE codec negotiation failures (major)
EVT45334 - Increased error rate on E1 backhaul (major)
EVT15047 - Authentication latency spikes (major)
EVT37327 - Slow paging response (minor)
EVT42949 - VoLTE codec negotiation failures (minor)
EVT08983 - Carrier aggregation failures (minor)
EVT30159 - Slow paging response (minor)
EVT16373 - BGP session flapping (minor)
EVT49851 - Failover to backup path (minor) |
No dropped or failed calls detected in CDR logs for the specified period. |
Continue monitoring network latency and traffic management systems as recent infrastructure outages and degradations may have resulted in performance degradation rather than service drops. |
open |
2026-04-29 07:07:51.731345 |
| 52 |
network |
Surabaya |
Customer reports major dropped calls in Surabaya, correlated with recent network outages and degradations. |
EVT27291 (VoLTE failure), EVT06654 (fiber damage), EVT03749 (transformer fire), EVT46472 (LTE-A failure), and several other minor degradations. |
27 total incidents across 6 towers, with SBY-002, SBY-003, and SBY-004 accounting for 20 of these events. |
NOC should prioritize checking the current status and signal integrity for towers SBY-002, SBY-003, and SBY-004 to ensure they are fully recovered from recent instability. |
open |
2026-04-29 07:06:47.963050 |
| 51 |
network |
Surabaya |
Major dropped calls reported in Surabaya, impacting multiple cell towers. |
- [EVT06654] outage major Surabaya 2026-04-30T14:16:16Z · affected=181863 · Earthquake damage to fiber conduit near Surabaya
- [EVT03749] outage major Surabaya 2026-04-30T11:38:05Z · affected=191309 · Transformer fire at Surabaya aggregation hub
- [EVT35415] outage major Surabaya 2026-04-29T21:47:02Z · affected=175698 · Power failure at Surabaya central exchange
- [EVT08490] outage major Surabaya 2026-04-29T20:02:14Z · affected=121912 · Earthquake damage to fiber conduit near Surabaya
- [EVT27147] outage major Surabaya 2026-04-29T18:25:41Z · affected=148042 · Submarine cable cut affecting Surabaya gateway
- [EVT21330] outage major Surabaya 2026-04-28T05:35:59Z · affected=111578 · Volcanic ash damage to tower fleet near Surabaya
- [EVT41001] outage major Surabaya 2026-04-24T07:27:19Z · affected=103894 · Transformer fire at Surabaya aggregation hub
- [EVT24681] outage major Surabaya 2026-04-23T11:51:14Z · affected=133136 · Flooding damaged ground-level equipment in Surabaya
- [EVT28814] outage major Surabaya 2026-04-23T10:47:55Z · affected=32843 · Transformer fire at Surabaya aggregation hub
- [EVT27830] outage major Surabaya 2026-04-23T09:19:46Z · affected=125876 · Power failure at Surabaya central exchange |
- A total of 12 dropped calls were recorded in Surabaya in the last 7 days.
- The dropped calls are distributed across multiple cell towers, with SBY-002 having the highest count at 6.
- Other cell towers like SBY-004, SBY-001, SBY-003, SBY-005, and SBY-006 each recorded a small number of dropped calls.
- While the overall number of dropped calls is relatively low, the distribution across towers suggests a localized issue rather than a widespread outage impacting a single tower significantly. |
Investigate localized network issues affecting multiple cell towers in Surabaya, focusing on SBY-002. |
open |
2026-04-29 05:58:11.901492 |
| 50 |
billing |
unknown |
Customer reported being charged twice for international calls. |
none |
528 total calls (284 voice, 150 data, 94 SMS); voice avg 354.7s; normal traffic patterns observed. |
Escalate to billing department for standard account reconciliation; no network issues detected. |
open |
2026-04-29 05:43:59.949363 |
| 49 |
network |
Jakarta |
User reports experiencing slow internet connectivity in Jakarta during peak hours. |
EVT43639: Backbone disruption (Jakarta-Singapore)
EVT18887: VoLTE codec negotiation failures
EVT37327: Slow HLR paging response
EVT49851: Network path failover completed |
No failed or dropped data calls found in Jakarta during peak hours (17:00-21:00) over the last 7 days. |
Monitor general network latency and bandwidth usage during peak hours in Jakarta, as no specific call session failures were identified. |
open |
2026-04-29 05:38:55.040276 |