Voice Agent Dashboard Template: Charts, Metrics & Executive Reports

Sumanyu Sharma
Sumanyu Sharma
Founder & CEO
, Voice AI QA Pioneer

Has stress-tested 1M+ voice agent calls to find where they break.

January 21, 2026Updated January 21, 202611 min read
Voice Agent Dashboard Template: Charts, Metrics & Executive Reports

Most voice agent dashboards fail before they're built.

The problem isn't missing data — it's the wrong data. Last month, we reviewed 23 voice agent dashboards across Hamming customers. The median dashboard tracked 47 metrics. But when we asked "which metrics actually drove decisions?" — the answer was 6.

This guide gives you those 6 metrics, the exact charts to visualize them, and a copy-paste executive report template. No fluff, no "it depends."

TL;DR: Build your voice agent dashboard using Hamming's 6-Metric Dashboard Framework:

  • Tier 1 (Business): Task Success Rate, Containment Rate
  • Tier 2 (Quality): Latency P50/P90, Conversation Coherence Score
  • Tier 3 (Operations): Error Rate, Call Volume

Include 4 core charts: success funnel, latency histogram, error breakdown, trend lines. Report weekly with the 3-section executive template below.

Methodology Note: The 6-Metric Framework and benchmarks in this guide are derived from Hamming's analysis of voice agent dashboards across 50+ deployments (2024-2025). The "47 metrics → 6 that matter" finding comes from reviewing customer dashboards and interviewing engineering leads on which metrics drove actual decisions.

Last Updated: January 2026

Related Guides:

What is a Voice Agent Analytics Dashboard?

A voice agent analytics dashboard is a real-time monitoring interface that tracks the key performance indicators (KPIs) of AI-powered voice agents in production. Unlike traditional call center dashboards that focus on queue times and agent utilization, voice agent dashboards must capture AI-specific metrics: response latency, task completion, conversation coherence, and error rates.

Why you need a dedicated voice agent dashboard:

Traditional Call Center MetricsVoice Agent Metrics
Average Handle TimeTask Success Rate
Abandonment RateContainment Rate
Queue Wait TimeResponse Latency P50/P90
Agent UtilizationConversation Coherence
Service LevelError Rate by Type

The 6 metrics in Hamming's framework span three tiers: Business Outcomes, Quality Indicators, and Operational Health.

Voice Agent Dashboard Metrics (Complete List)

This master table provides the 6 essential metrics every voice agent dashboard needs. Each metric includes its definition, calculation formula, threshold benchmarks, and remediation actions.

MetricDefinitionFormulaGood ThresholdBad ThresholdWhat to Do If Bad
Task Success Rate% of calls where user goal was achieved(Successful tasks / Total calls) × 100≥85%<70%Review failed transcripts, retrain intent detection
Containment Rate% of calls resolved without human handoff(Contained calls / Total calls) × 100≥70%<50%Add fallback intents, improve edge case handling
Latency (P50)Median response time from user speech end to agent response start50th percentile of response times<1.5s>3sOptimize TTS/LLM pipeline, check provider SLAs
Latency (P90/P99)90th/99th percentile response time (tail latency)90th/99th percentile of response times<3s>5sInvestigate outliers, add timeout handling
Conversation Coherence% of responses contextually appropriate(Coherent responses / Total responses) × 100≥90%<75%Review context window, check prompt engineering
Error Rate% of calls with system errors (ASR fail, timeout, crash)(Error calls / Total calls) × 100<3%>10%Check ASR confidence, add retry logic
Call VolumeTotal calls per time periodCount of callsBaseline ±20%Spike >2x or drop >50%Investigate traffic source, check for incidents

What Charts Should Be on a Voice Agent Dashboard?

The right chart type makes the difference between actionable insights and noise. Here's what to use for each metric:

MetricRecommended Chart TypeWhy This ChartUpdate Frequency
Task Success RateFunnel chartShows drop-off at each conversation stageDaily
Containment RateStacked barVisualizes contained vs escalated breakdownDaily
Latency (P50/P90)Histogram + trend lineShows distribution and identifies outliersHourly
Conversation CoherenceHeatmap by intentHighlights which intents have quality issuesWeekly
Error RatePie chart + time seriesShows error type breakdown and trendsHourly
Call VolumeArea chartShows traffic patterns and anomaliesReal-time

Dashboard Layout Template

Use this layout as a starting point for your voice agent dashboard:

┌─────────────────────────────────────────────────────────────────┐
  VOICE AGENT DASHBOARD  [Agent Name]  Last 7 Days            
├─────────────────────────────────────────────────────────────────┤
                                                                 
  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────┐│
   Success        Containment    Latency P50    Errors  ││
     87%             82%           1.8s           2.1%  ││
      3%            1%            0.2s              ││
  └─────────────┘  └─────────────┘  └─────────────┘  └─────────┘│
                                                                 
  ┌──────────────────────────────┐  ┌────────────────────────────┤
   Task Success Funnel             Latency Distribution       
   ████████████████ 100%               ▁▂▅██▇▃▁               
   ██████████████   92%               P50   P90               
   ████████████     87%               1.8s  3.5s              
  └──────────────────────────────┘  └────────────────────────────┤
                                                                 
  ┌──────────────────────────────┐  ┌────────────────────────────┤
   Call Volume (7 days)            Error Breakdown            
      ▂▄▆█▇▅▃                       ASR Timeout  45%         
     Mon  Sun                      LLM Error    30%         
     Peak: Tue 2pm                  Hangup       25%         
  └──────────────────────────────┘  └────────────────────────────┤
└─────────────────────────────────────────────────────────────────┘

Voice Agent KPI Thresholds: Good vs Bad Benchmarks

Setting the right thresholds prevents alert fatigue while catching real issues. These benchmarks are derived from Hamming's analysis of 50+ production deployments.

MetricExcellentGoodAcceptableWarningCritical
Task Success Rate≥90%≥85%≥75%<75%<70%
Containment Rate≥80%≥70%≥60%<60%<50%
Latency P50<1s<1.5s<2s>2s>3s
Latency P90/P99<2s<3s<4s>4s>5s
Coherence≥95%≥90%≥85%<85%<75%
Error Rate<1%<3%<5%>5%>10%

How to set your own thresholds:

  1. Baseline first: Run for 2 weeks without alerts to establish your normal ranges
  2. Start loose: Set thresholds 20% wider than your baseline initially
  3. Tighten gradually: Reduce thresholds by 5% each week as you fix issues
  4. Use duration filters: Alert only if threshold is breached for 5+ minutes (prevents flapping)

Voice Agent Executive Report Template

Use this structure for weekly stakeholder updates. Copy and customize for your team.

Section 1: Performance Summary (2-3 sentences)

"This week, [Agent Name] handled [X] calls with [Y]% task success rate ([up/down] [Z]% from last week). Containment held at [A]%, and median latency was [B]ms."

Example:

"This week, the Appointment Scheduler handled 12,450 calls with 87% task success rate (up 3% from last week). Containment held at 82%, and median latency was 1.8s."

Section 2: Key Metrics Table

MetricThis WeekLast WeekTrendStatus
Task Success Rate87%84%▲ 3%🟢 Good
Containment Rate82%83%▼ 1%🟡 Watch
Latency (P50)1.8s1.6s▲ 0.2s🟢 Good
Error Rate2.1%2.3%▼ 0.2%🟢 Good
Call Volume12,45011,200▲ 11%🟢 Normal

Section 3: Actions & Recommendations

What's Working:

  • [Specific improvement with data]
  • [Second win]

Areas to Watch:

  • [Metric trending wrong direction] — Action: [Specific next step]
  • [Issue identified] — Action: [Owner] to investigate by [date]

Next Week Focus:

  • [Priority 1]
  • [Priority 2]

How to Build a Voice Agent Dashboard

Follow these steps to implement the 6-Metric Dashboard Framework:

Step 1: Instrument Your Voice Agent (Day 1)

Log these events from your voice agent:

{
  "event": "call.ended",
  "call_id": "call_abc123",
  "timestamp": "2026-01-22T10:30:00Z",
  "metrics": {
    "task_success": true,
    "contained": true,
    "latency_p50_ms": 1800,
    "latency_p90_ms": 3500,
    "coherence_score": 0.92,
    "error_occurred": false,
    "error_type": null
  }
}

Step 2: Choose Your Dashboard Tool (Day 1-2)

OptionSetup TimeBest For
Hamming5 minutesProduction voice agents with native integrations
Grafana2-4 hoursTeams with existing Prometheus/InfluxDB
Datadog2-4 hoursTeams already using Datadog for APM
CustomDays/weeksUnique requirements with dedicated eng capacity

Step 3: Configure Alerts (Day 2-3)

Start with these four high-impact alerts:

  1. Task Success <75% for 10 minutes → P1 (immediate investigation)
  2. Latency P90 >5s for 5 minutes → P1 (user experience degradation)
  3. Error Rate >5% for 5 minutes → P1 (system health issue)
  4. Call Volume drop >50% for 15 minutes → P2 (potential outage)

Step 4: Set Up Weekly Reports (Day 3)

Schedule automated reports every Monday morning with:

  • Previous week's metrics vs. targets
  • Week-over-week trends
  • Top 3 action items for the week

Choosing a Voice Agent Dashboard Platform

CapabilityHammingDatadog/GrafanaSpreadsheetsCustom Build
Voice-native KPIs (latency P50/P90, coherence)✅ 50+ built-in⚠️ Manual setup❌ Manual⚠️ Build it yourself
Pre-built dashboard templates✅ Ready in 5 min⚠️ Generic templates❌ From scratch❌ From scratch
Executive report automation✅ Weekly emails❌ Manual❌ Manual⚠️ Build it yourself
Integration with Vapi/Retell/LiveKit✅ Native⚠️ Custom webhooks❌ None⚠️ Build it yourself
Drill-down to transcripts✅ One click❌ Not supported❌ Not supported⚠️ Build it yourself
Setup time5 minutes2-4 hours1-2 hoursDays/weeks
Best forProduction voice agentsGeneral APM monitoring<100 calls/dayUnique requirements

When to Use Each

  • Use Hamming when: You need voice-native dashboards with automated executive reporting and want setup in minutes, not days.
  • Use Datadog/Grafana when: You already have these tools for other services and want a single pane of glass (but expect custom instrumentation work).
  • Use Spreadsheets when: You're in early testing with <100 calls/day and don't need real-time monitoring.
  • Build Custom when: You have unique requirements that no tool supports and dedicated engineering capacity.

How Teams Implement This with Hamming

Hamming provides the infrastructure to implement the 6-Metric Dashboard Framework without custom development:

  • One-click dashboard setup: Pre-built templates with all 6 metrics configured out of the box
  • Automatic threshold monitoring: Alerts when metrics cross good/bad boundaries (configurable per-metric)
  • Drill-down to transcripts: Click any data point to see underlying calls and identify root causes
  • Executive report generation: Weekly summaries auto-generated and emailed to stakeholders
  • 50+ built-in assertions: Validate task success, containment, and coherence automatically
  • Integration with major platforms: Native support for Vapi, Retell, LiveKit, Twilio
  • Historical benchmarking: Compare against your own baselines and industry averages
  • Custom metric support: Add domain-specific KPIs alongside the standard 6

Getting Started:

  1. Connect your voice agent (5 minutes)
  2. Select the "6-Metric Dashboard" template
  3. Configure thresholds for your use case
  4. Set up weekly executive report recipients

Worked Formula Examples

Task Success Rate Calculation

Formula: (Successful tasks / Total calls) × 100

Example:

  • Total calls this week: 12,450
  • Calls with successful task completion: 10,831
  • Task Success Rate: (10,831 / 12,450) × 100 = 87.0%

Latency Percentile Interpretation

P50 vs P90:

  • P50 = 1.8s: Half of all responses are faster than 1.8s
  • P90 = 3.5s: 90% of responses are faster than 3.5s; 10% are slower

Action trigger: If P90 > 2× P50, investigate tail latency causes (usually ASR timeouts or LLM cold starts).

Containment Rate Calculation

Formula: (Calls resolved by AI / Total calls) × 100

Example:

  • Total calls: 12,450
  • Calls resolved without human transfer: 10,209
  • Containment Rate: (10,209 / 12,450) × 100 = 82.0%

Voice Agent Dashboard Quick-Start Checklist

Use this checklist to implement your dashboard in one week:

Day 1: Instrumentation

  • Add call.ended event logging with all 6 metrics
  • Verify events are flowing to your data store
  • Test with 100+ sample calls

Day 2: Dashboard Setup

  • Choose dashboard tool (Hamming recommended for voice agents)
  • Create 4 scorecards: Success, Containment, Latency, Errors
  • Add funnel chart for task success
  • Add histogram for latency distribution

Day 3: Alerting

  • Configure 4 critical alerts (see Step 3 above)
  • Set up notification channels (Slack, PagerDuty, email)
  • Test alerts with synthetic threshold breaches

Day 4-5: Baseline & Tune

  • Let dashboard run for 2 days to establish baseline
  • Adjust thresholds based on observed ranges
  • Remove false positive alerts

Day 6-7: Reporting

  • Set up weekly executive report
  • Configure recipient list
  • Send first report to stakeholders

Frequently Asked Questions

Track these 6 core metrics: Task Success Rate (% of goals achieved), Containment Rate (% resolved without human), Latency P50/P90 (response speed), Conversation Coherence (response quality), Error Rate (system failures), and Call Volume (traffic patterns). According to Hamming's analysis of 50+ deployments, these 6 metrics explain 90%+ of voice agent performance decisions.

A good task success rate is 85% or higher. Top-performing voice agents achieve 90%+. Below 70% indicates significant issues with intent detection, conversation flow, or edge case handling that require immediate attention. Calculate as: (Successful tasks / Total calls) × 100.

Update latency and error rate hourly for operational awareness. Update success/containment rates daily for trend analysis. Generate executive reports weekly. Real-time monitoring is essential for call volume to detect traffic anomalies.

Use funnel charts for task success (shows conversion drop-off), histograms for latency (shows distribution and outliers), stacked bars for containment (shows contained vs escalated breakdown), heatmaps for coherence (highlights problem intents), pie charts for error types, and area charts for volume trends.

Use Hamming's 3-section weekly report template: (1) 2-3 sentence performance summary with key numbers, (2) metrics table with week-over-week trends and status indicators (green/yellow/red), (3) actions/recommendations with specific owners and dates. Focus on business outcomes (success, containment) not technical details.

High latency (P50 >3s or P90 >5s) typically comes from: LLM inference time (optimize prompt length), TTS synthesis (choose faster voices), ASR processing (check provider SLAs), or network issues (use regional endpoints). Profile each component separately. If P90 > 2× P50, investigate tail latency causes like ASR timeouts or LLM cold starts.

The best dashboard depends on your stack. Hamming is purpose-built for voice agent analytics with pre-configured KPI dashboards and automated executive reports. Datadog and Grafana are general-purpose but require custom instrumentation. Spreadsheets work for <100 calls/day but don't scale. For production voice agents, choose a tool with voice-native metrics (latency percentiles, coherence scoring, task success).

Evaluate platforms on: (1) Voice-native metrics support (latency P50/P90, containment, coherence), (2) Pre-built dashboards vs DIY setup time, (3) Executive report automation, (4) Integration with your voice stack (Vapi, Retell, LiveKit), (5) Alert and notification capabilities. Hamming offers all five with 5-minute setup; general APM tools require 2-4 hours of custom instrumentation.

Sumanyu Sharma

Sumanyu Sharma

Founder & CEO

Previously Head of Data at Citizen, where he helped quadruple the user base. As Senior Staff Data Scientist at Tesla, grew AI-powered sales program to 100s of millions in revenue per year.

Researched AI-powered medical image search at the University of Waterloo, where he graduated with Engineering honors on dean's list.

“At Hamming, we're taking all of our learnings from Tesla and Citizen to build the future of trustworthy, safe and reliable voice AI agents.”