15 December 2020/Terje Ennomäe
Rethinking call quality monitoring

Call quality monitoring is central to running a contact centre well. It is how you know whether agents follow guidelines, whether customers get resolved, and where coaching is needed. Yet the way most operations do it has a built-in ceiling: managers spend their days listening to recordings, one call at a time.
There are only so many hours in a day. So the manager checks a handful of calls per agent — typically under 1–2% of the total — and infers the rest. That sample simply cannot represent reality, and it leaves most quality issues unseen.
Why a small sample cannot represent quality
A full-time agent might take five or more calls an hour across roughly 160 hours a month. Reviewing five random calls per agent means assessing well under 1% of their work.
That creates two problems:
- Unrepresentative judgement. If an agent handles the reviewed calls well but struggles elsewhere, the manager never sees it — and vice versa.
- Hidden issues. Where agents drift from guidelines, or where a process quietly fails, the evidence sits in the 98% no one listens to.
You end up coaching on a sliver of activity while the systemic problems stay invisible.
Why doing more manually does not work
The obvious fix — review more calls — runs straight into the time wall. To find the calls where agents struggle, a manager would have to work through every recording manually. That is not realistic.
Lack of time is the single most common frustration we hear from quality managers. They know the answers are in the recordings; they just cannot listen their way to them.
Automate monitoring with speech-to-text
Automatic speech-to-text removes the bottleneck. Once every call is transcribed, it becomes searchable text, and monitoring moves from listening to analysis.
That lets quality managers:
- Get a statistical overview of the most common quality issues across 100% of calls, not a sample.
- Save searches around key guidelines and receive ongoing, automatic reports.
- Jump straight to the calls that need attention instead of hunting for them.
The work shifts from finding problems to fixing them — which is where a quality manager adds real value.
From full visibility to better outcomes
When monitoring is based on the full picture rather than a lucky sample, the benefits compound:
- Coach agents on real, representative examples with automated quality assurance.
- Catch process and guideline issues early, before they spread.
- Tie quality trends directly to customer satisfaction and sales targets.
Full-coverage monitoring is faster and more efficient than any manual search could be, and it takes customer service to a level that sampling never reaches.
What changes for the quality manager
The shift is not just technical; it changes the job. Under manual monitoring, a quality manager's day is dominated by listening — searching for problems one recording at a time. Under automated monitoring, the searching is done for them, and the day is spent on the parts that require human judgement:
- Interpreting the patterns the analysis surfaces.
- Deciding which issues are systemic and which are one-off.
- Coaching agents on real, representative examples.
- Working with other teams to fix the process or product behind a trend.
The role becomes more strategic and less clerical, which is usually a welcome change for skilled quality staff.
Keeping trust in the results
A common, sensible concern is whether automated monitoring can be trusted. The best way to build that trust is to run it alongside existing manual QA for a period. When managers can compare the automated findings against calls they have reviewed themselves, they quickly see that full coverage catches issues the sample missed. From there, the sample-based approach becomes the fallback rather than the primary method, and monitoring is finally based on reality rather than a fraction of it.
Frequently asked questions
How much of their calls can manual monitoring actually cover?
Typically under 1–2%. Reviewing a handful of random calls per agent each month leaves the vast majority of interactions unassessed.
Why is a small sample of calls a problem?
Because it is unlikely to be representative. Agents may perform differently in the calls that were not reviewed, and systemic issues hide in the unheard majority, so judgements based on a sample can be misleading.
How does automated call quality monitoring work?
Speech-to-text transcribes every call into searchable text. Managers then set up searches around key guidelines and receive automatic reports, so they can see common issues across all calls instead of listening one at a time.
Does automation replace quality managers?
No. It removes the manual listening bottleneck so managers spend their time coaching and fixing issues rather than searching for them.
Where to go next
- The quality pillar: Automated call-centre quality assurance
- The technology: Automatic speech-to-text
- The QA product: Automatic quality assurance
Ready to monitor every call instead of a sample? Book a demo and we will show you on your own calls.