Customer Experience

Call Center QA: What to Measure and How

Edvin Cernov·· Originally published Apr 2025

Hyper-realistic landscape-mode call center in 2026 with agents using AI QA tools, against a white background with deep blue (#3055CF) accents and QA metrics chart.

Most call center QA programs I have audited are theatre. The scorecard exists, the calls get listened to, the percentages get reported up. But the agents do not change behavior because the feedback loop is too slow and too detached from the metrics that actually move CSAT. I learned this the hard way at Mejuri during the 2020-2022 hypergrowth period: we had a perfectly functional QA program on paper while CSAT slid 8 points in a quarter. The fix was not better scorecards. It was tying QA observations to next-week coaching conversations and killing every QA criterion that did not correlate with downstream CSAT. (For the broader CX strategy where QA fits as a delivery-pillar capability, see our complete CX strategy pillar.) The gap between consistently and occasionally is exactly what QA is supposed to close. Most programs do not.

This guide is the QA framework I would use if I were rebuilding a program from scratch tomorrow: what to measure, what to ignore, the tools worth paying for and the ones that overcharge for a Zendesk plugin in a trench coat. Before you redesign anything, run our CX maturity assessment — it will tell you whether QA is actually your binding constraint or whether your real problem is upstream (training, hiring, process). Half the QA overhauls I have seen were misdiagnosed. For the outsourcing side specifically, see our ultimate guide to BPO.

What is Call Center QA?

Call Center Quality Assurance (QA) is a systematic process of monitoring, evaluating, and improving the quality of customer interactions in a call center to ensure they meet predefined service standards, compliance requirements, and customer expectations. QA involves assessing agent performance, call quality, and customer satisfaction through structured evaluations, often using scorecards, metrics, and feedback loops. In 2026, QA is more data-driven and proactive thanks to AI transcript analysis and sentiment scoring. The honest take here: AI sentiment scoring is right about 70-80% of the time, which sounds impressive until you remember that means it is wrong on 1 in 4 calls. We piloted three of these tools at Canada Goose and the false-positive rate on flagged calls forced us to keep the human review layer anyway. The win is volume coverage, not accuracy replacement. (Genuics is the platform we now use for the AI-assisted call review and theme detection layer that sits underneath this kind of QA workflow.) For a deeper look at industry-specific patterns, see our healthcare customer experience insights.

Differences Between QA and Quality Control (QC)

While often used interchangeably, Quality Assurance (QA) and Quality Control (QC) serve distinct purposes in call centers. QA is a proactive process focused on preventing issues by setting standards, training agents, and monitoring performance to ensure consistent quality. In contrast, QC is reactive, involving the identification and correction of issues after they occur, such as reviewing a specific call to address a customer complaint. Run end-to-end, QA is what stops the error being made; QC is what catches it after the fact.

Role of QA in Compliance and Service Standards

QA plays a pivotal role in ensuring compliance with industry regulations, such as GDPR in the EU or HIPAA in healthcare, by monitoring calls for adherence to legal standards. It also ensures service standards are met, such as maintaining a professional tone, resolving issues efficiently, and following scripts or protocols. For example, in financial services, QA ensures agents comply with PCI DSS standards during payment discussions, as noted in our financial services customer experience insights. By maintaining high standards, QA directly impacts CX, brand reputation, and customer loyalty, making it a critical function in 2026.

Key Metrics for Call Center QA

Tracking the right QA metrics is essential for measuring call center performance and ensuring high-quality CX. Below are the key call center QA metrics to focus on in 2026, along with their significance.

  • Average Handle Time (AHT): Measures the average time an agent spends on a call, including talk time and after-call work. A lower AHT indicates efficiency, but it must be balanced with quality. For example, a hospitality call center might cut AHT by routing booking-change calls away from the general queue. The industry average sits a little over 6 minutes, at 6 minutes and 10 seconds on Sprinklr's 2025 benchmark round-up and about 6 minutes on CloudTalk's.

  • First Call Resolution (FCR): Tracks the percentage of issues resolved on the first call. A high FCR reduces customer effort and boosts satisfaction. SQM Group's 2024 benchmark puts the cross-industry average at 69%, with 80% or higher treated as world-class and only about 5% of call centers reaching it. SQM's 2022 analysis reports that every 1% improvement in FCR produces a 1% improvement in CSAT.

  • Customer Satisfaction Score (CSAT): Gauges customer satisfaction with a specific interaction, typically via post-call surveys. There is no universal target worth quoting, because the score depends on how the question is asked. Set the target against your own trailing results, and treat any external CSAT benchmark as unusable unless the survey wording comes with it.

  • Net Promoter Score (NPS): Measures the likelihood of customers recommending your brand. NPS is a relationship metric, so a single call rarely moves it. Where the two connect is through resolution: SQM's 2021 research finds that every 1% improvement in FCR increases transactional NPS by 1.4 points for the average call center.

  • Customer Effort Score (CES): Assesses how easy it is for customers to resolve issues. A low CES correlates with higher satisfaction. A financial services call center might reduce CES by streamlining its IVR system.

  • Average Speed of Answer (ASA): Measures the average time customers wait before speaking to an agent. Longer wait times increase abandonment rates. The long-standing industry convention is the 80/20 service level: answer 80% of calls within 20 seconds. Treat it as a staffing target rather than a quality finding.

  • Call Abandonment Rate: Tracks the percentage of callers who hang up before reaching an agent. A rate below 5% is the working threshold across the industry, as high abandonment rates signal poor CX.

These metrics provide a comprehensive view of call center performance, helping managers identify areas for improvement and ensure QA aligns with business goals.

Landscape-mode infographic titled "Essential Call Center QA Metrics for 2026," with a white background and deep blue (#3055CF) accents, showing seven QA metrics with icons.

Best Practices for Effective Call Center QA

Implementing best practices for call center QA ensures consistent service quality, improves agent performance, and enhances CX. Below are proven strategies for 2026.

Define Clear QA Standards and Objectives

Establish QA standards that align with your business goals. Clearly define objectives, like ensuring compliance or improving FCR, and communicate them to agents. For example, a hospitality call center might set a goal of resolving 90% of guest inquiries on the first call.

Map the Customer Journey to Identify Touchpoints

Customer journey mapping helps identify key touchpoints where QA can make the most impact, such as during onboarding or issue resolution. For example, in hospitality, mapping the guest journey can reveal opportunities to improve call quality, such as ensuring agents offer personalized recommendations. The practical QA use of the map is deciding where to sample: weight call monitoring toward the touchpoints that generate the most repeat contacts, rather than sampling every call type evenly.

Implement Regular Monitoring and Feedback Loops

Monitor calls regularly using scorecards to evaluate agent performance against QA standards. Provide feedback through one-on-one coaching sessions, focusing on both strengths and areas for improvement. For instance, if an agent struggles with empathy, provide targeted training to address this. The variable that matters is latency, not frequency: feedback on a call from three weeks ago is a performance review, feedback on a recent call is coaching. Additionally, consider group feedback sessions to share best practices across teams, fostering a culture of continuous improvement.

Leverage AI and Automation Tools for Real-Time QA

AI and automation are transforming call center QA in 2026. Use AI-driven analytics to monitor calls in real-time, flagging issues like script deviations or negative sentiment. Speech analytics can identify keywords that indicate customer frustration, enabling proactive intervention. For example, an ecommerce call center might use AI to detect frustration during holiday peaks and route those calls to a senior agent.

Provide Continuous Training and Coaching for Agents

Continuous training ensures agents stay updated on best practices, compliance requirements, and new technologies. For QA leads and supervisors, formal CX certifications like COPC give evaluation programs a shared standard to calibrate against. For example, training agents on empathy can improve CSAT, especially in healthcare, where patients value compassionate interactions. Role-playing exercises can help agents practice handling difficult calls, while e-learning modules can provide flexible training on new tools.

Use Balanced Scorecards to Assess Performance

Balanced scorecards evaluate agent performance across multiple dimensions, such as call quality, compliance, and customer feedback, ensuring a holistic view. This approach prevents overemphasis on a single metric, like AHT, which can compromise CX. For example, an agent with a low AHT but poor CSAT might need coaching on empathy. A balanced card means no single dimension can carry a passing score on its own.

What Goes on a QA Scorecard

Here is the scorecard shape that follows from the dimensions above. The weights are a starting point, not an industry standard: adjust them to your contact mix, and drop any criterion you cannot tie to a downstream CSAT or FCR movement.

CriterionStarting weightWhat a pass looks like
Compliance25%No breach of GDPR, HIPAA or PCI DSS
Resolution accuracy25%Correct answer, issue closed first call
Script and protocol adherence15%Required steps followed, no shortcuts
Tone15%Professional throughout, including escalation
Empathy10%Acknowledges the problem before the process
Efficiency10%Handle time within target, no quality trade

Two rules make the weights matter. Compliance is pass or fail, not partial credit, so a breach ends the evaluation regardless of the total. And efficiency stays capped near 10%, because the moment it climbs, agents optimise handle time and the rest of the card follows it down.

Establish a Consistent QA Schedule

Consistency is key to effective QA. Set a QA schedule—such as reviewing 5 calls per agent per week—to ensure regular evaluations. Adjust the schedule during peak periods, like holidays, to maintain quality under pressure, as discussed in our guide to preparing for demand spikes. The gain from a consistent schedule is mostly that agents stop treating evaluation as an event.

By following these best practices, call centers can deliver consistent, high-quality CX, improve agent performance, and meet business objectives in 2026.

Tools and Technologies Enhancing Call Center QA

Modern tools and technologies are revolutionizing call center QA in 2026, making it more efficient, data-driven, and scalable. Here’s an overview of key QA tools, their benefits, and popular platforms.

Overview of Modern QA Tools

  • AI-Driven Analytics: Tools like speech analytics and sentiment analysis use AI to evaluate calls in real-time, identifying issues like non-compliance or customer frustration. For example, speech analytics can detect phrases like “I’m upset,” prompting supervisors to intervene.

  • Real-Time Monitoring Software: Platforms enable supervisors to listen to calls live, providing immediate feedback to agents. This is particularly useful during high-volume periods, such as Black Friday for ecommerce centers.

  • Automated Scorecards: AI generates scorecards based on predefined QA criteria, reducing manual effort and ensuring consistency. These tools can also track trends over time, such as improvements in FCR.

Benefits of Technology in QA

Integrating technology into QA offers several benefits:

  • Efficiency: Automated transcription and scoring take the mechanical part of evaluation off supervisors, which is what frees the hours for coaching.

  • Consistency: Speech analytics applies the same rule to every call, which removes evaluator drift even where it does not remove evaluator error.

  • Scalability: Automated tools allow centers to scale QA efforts without adding headcount, which is crucial for growing businesses.

  • Proactivity: Real-time analytics enable proactive QA, such as addressing a customer issue during the call rather than logging it for a coaching session later.

Popular QA Platforms

  • CallMiner: Offers speech analytics, sentiment analysis, and automated scorecards. It also provides dashboards to visualize QA trends.

  • Nextiva: Provides real-time monitoring and call recording, with features to track AHT and FCR, making it ideal for hospitality centers needing quick insights.

  • Qualtrics: Focuses on customer feedback integration, linking QA data with CSAT and NPS, and offering actionable reports for CX improvement.

These tools empower call centers to deliver high-quality CX, streamline QA processes, and stay competitive in 2026. For more on AI tools, see our post on AI co-pilots in call centers.

Common Challenges in Call Center QA and How to Overcome Them

Despite its benefits, call center QA faces several challenges in 2026. Here’s how to address them.

Identifying and Addressing Human Biases in Evaluations

Human biases in QA evaluations can lead to inconsistent scoring. For example, a supervisor might rate an agent higher due to personal rapport. To overcome this, use AI-driven scorecards to standardize evaluations, and calibrate evaluators against each other: have them score the same recorded calls at a fixed cadence and discuss the spread. Automation removes drift between evaluators; it does not remove a bias baked into the criteria themselves.

Ensuring Timely Feedback and Corrective Actions

Delayed feedback can hinder agent improvement. Implement real-time monitoring and automated alerts to provide immediate feedback after calls. For instance, a healthcare call center might use real-time alerts to catch a missed verification step while the patient is still on the line, which is the only point at which the error is still cheap to fix.

Maintaining Consistency Across Channels and Agents

With omnichannel support, maintaining QA consistency across phone, chat, and social media is challenging. Use unified QA standards and cross-channel analytics to ensure consistency, as explored in our omnichannel customer service guide.

Adapting to High Agent Turnover

High agent turnover can disrupt QA consistency, as new agents may lack training. Address this by implementing onboarding programs focused on QA standards and providing mentorship from experienced agents. Mentorship also does something QA documentation cannot: it transfers the judgment calls that were never written down.

By addressing these challenges, call centers can ensure QA remains effective and aligned with CX goals.

Future Trends in Call Center QA

Call center QA is evolving rapidly in 2026, driven by emerging technologies and shifting customer expectations. Here are the key trends to watch.

  • Emerging Technologies: AI and machine learning will dominate QA, with tools like predictive analytics forecasting customer issues before they occur. The shift already underway is from sampling to full coverage, which makes supervisor attention on the flagged calls the scarce resource.

  • Proactive and Predictive QA Measures: Centers are shifting from reactive to proactive QA, using AI to identify potential issues, such as high AHT, in real-time. The caveat is that a live alert is only useful if a supervisor is free to take it, which is a staffing question dressed up as a technology one.

  • Integration of Omnichannel QA Strategies: As omnichannel support grows, QA will encompass all channels, ensuring consistency across phone, chat, and social media.

  • Focus on Agent Well-Being: QA will increasingly consider agent well-being, using AI to monitor stress levels and provide support. A scorecard that punishes a long call on a genuinely hard problem is a retention problem with a QA label on it.

These trends highlight the future of call center QA, where technology and proactivity drive service quality and CX. For how these technologies are reshaping outsourcing more broadly, see the top BPO trends for 2026.

Conclusion

Call center QA is the operational layer that separates a contact center that ships consistent CX from one that ships variable CX. By focusing on key QA metrics like FCR and CSAT, implementing best practices such as AI-driven monitoring and continuous training, leveraging modern tools like CallMiner, and staying ahead of trends like proactive QA, call centers can ensure consistent service quality and customer satisfaction. Start by defining clear QA standards, integrating AI-driven analytics, and addressing common challenges like bias and turnover to elevate your QA strategy.

If you are about to overhaul a QA program, my one piece of advice is do the diagnostic before the redesign. Most programs do not need new scorecards; they need to delete half the criteria from the existing one and tie what remains to weekly coaching. Start by working out where QA actually sits in the wider operation, and explore our call center strategy services if you want a second pair of eyes on the redesign. Or just contact us directly.

Frequently Asked Questions

What is call center quality assurance?
Call center QA is the systematic monitoring and coaching of agent interactions to maintain consistent service quality. The honest version: most QA programs are theatre because the scorecard exists but feedback loops are too slow to actually change agent behavior.
What KPIs should call center QA track?
Five operational KPIs: AHT, FCR, CSAT (per-interaction), NPS (relationship), and adherence. Plus internal QA scoring on call quality dimensions (tone, accuracy, compliance). The combination prevents over-optimizing one dimension at the expense of others.
How often should you conduct QA reviews?
5-10 calls per agent per week is the operational sweet spot. Less frequent review produces stale feedback; more frequent burns supervisor time without proportional lift. The cadence matters less than the closure: every reviewed call should produce next-week behavior change.
How is AI changing call center QA?
AI sentiment analysis and transcript scoring let supervisors review 100% of calls instead of the 5-10% manual review covers. The catch: AI sentiment scoring is right 70-80% of the time, which means you still need human review on flagged cases. Volume coverage, not accuracy replacement.
What is the biggest call center QA mistake?
Producing scorecards nobody acts on. The QA program lives or dies on whether the supervisor coaching conversation happens within a week of the call review. Most programs review calls and produce reports but skip the coaching layer.
Edvin Cernov, Principal CX Consultant & Co-Founder at rethinkCX
Principal CX Consultant & Co-Founder

Edvin has worked in customer experience since 2014 on both sides of the outsourcing relationship: at PFSweb, a commerce outsourcing provider, then nearly six years at Canada Goose running service across multiple call centers, and as Director of Customer Experience at Mejuri. At rethinkCX he builds CX for companies that don't have a CX department yet.

Isometric illustration of an open envelope with a letter, a guide and past issues inside

CX from the buyer's side

An email when there is something genuinely worth reading: what is working in CX and call center operations, and what quietly is not.

Isometric illustration of three overlapping speech bubbles, the front one a solid block of amber

Ready to rethink your CX?

Book a free 15-minute discovery call. No pitch, no commitment. Just a straight conversation about where your CX stands and what the options are.