Cross-Industry & Business Teams

AI Call Center: What Can AI Take Off Your Agents and What Not?

Which calls an AI call center can safely resolve, which belong with your agents, and how to test before going live. A practical guide for operations leads.

October 13, 202612 min read
Hand-drawn headset with a queue of speech bubbles being sorted into two trays, one filled green

What matters most

  • Sort call types by two questions: does the answer live in your systems, and what does a wrong answer cost?
  • Lookup calls with cheap mistakes, such as order status and appointment times, are the right first automation.
  • Complaints, cancellations, fraud, disputes and distressed callers should stay with experienced human agents.
  • Shadow mode lets an AI draft answers on live calls without customers hearing it, so you can compare before launch.
  • Measure repeat contact within a week; a deflected call that returns is a failure, not a saving.

Your queue is long at nine in the morning and longer after lunch. When you look at what your agents are actually saying, a large share of the calls are the same handful of questions: where is my order, what time is my appointment, has my payment arrived, can you change my address. Your best people spend their day answering things a system already knows.

That is the case for an AI call center, and it is a good case. The mistake is to treat it as one decision, buy a platform and point it at every call. The operations leads I would trust here decide call type by call type, and keep their agents on the calls that need them.

Here is what matters most:

  • Start with call types, not platforms. The questions that suit AI are the ones whose answer already sits in a system you own.
  • Automate the calls where a wrong answer is cheap to fix. Keep complaints, cancellations, disputes and vulnerable callers with people.
  • Run the AI in shadow mode first: it listens to live calls and drafts answers while your agents handle them, so you can compare before any customer talks to it.
  • Judge success by calls resolved without a repeat contact, not by calls deflected. A deflected call that comes back angry costs more than the call you saved.
  • Card payments taken by voice pull the call into card-industry security rules, so keep card capture out of the AI's path.

What an AI call center actually is

The phrase covers several different things, and vendors use them interchangeably. Pulling them apart helps you decide what you are buying.

Conversational IVR. The old phone menu asked callers to press one for billing and two for support. A conversational IVR lets them say what they want in their own words and routes the call, or answers it. This is the most common first step in call center automation, and it is also where most callers form their opinion of your company.

A virtual agent or AI phone agent. This goes further: it holds a full conversation, looks something up in your systems, takes an action such as rebooking a delivery, and ends the call without a human. In a contact center AI project this is the part that deflects calls, meaning it resolves them before they reach an agent.

Agent assist. Here the AI never speaks to the customer. It listens to the call alongside your agent, suggests the next answer, pulls up the customer's record and writes the summary afterwards. It is the lowest-risk way into contact center AI because the customer still hears a person.

After-call work and quality review. Transcribing every call, tagging the reason for it and scoring it against your checklist. Most centres review a small sample of calls by hand. An AI can read all of them.

These four sit on a ladder of risk. Agent assist and after-call work touch no customer directly. A conversational IVR touches every caller but only routes. A virtual agent that resolves calls on its own carries the most upside and the most risk, which is why the rest of this guide is mostly about choosing which calls to give it.

The two questions that sort every call type

Vendors will show you a demo of the AI handling a polished call. That tells you nothing about your queue. What helps is sorting your real call types with two questions.

Does the answer already live in a system you control? "Where is my order" is answered by the order system. "What time is my appointment" is answered by the scheduling system. "Has my payment arrived" is answered by the billing system. Calls like these are lookups, and an AI that can read those systems and say the answer clearly is doing a job a person finds tedious. Calls where the answer lives in an agent's judgement are different: "Can you make an exception on this fee?" cannot be answered from a database.

What does a wrong answer cost? If the AI gets an appointment time wrong, the customer notices, you fix it, and the damage is small. If it tells a customer their claim is approved when it is not, or gets a refund amount wrong, the damage is large and sometimes legal. The cost of a wrong answer decides how much checking you build around the call, and for some call types the answer is that a person should handle them anyway.

Put those two questions together and you get four groups. Easy lookups with a cheap mistake are your first automation. Lookups with an expensive mistake, such as account balances or policy details, can be automated with stricter checks and a human review early on. Judgement calls with a cheap mistake, such as a general product question, can use AI with a person close by. Judgement calls with an expensive mistake, which means complaints, cancellations, fraud, disputes and anyone distressed, belong with your best agents.

What an AI call center does well, and where it breaks

It does the lookup calls well because they are repetitive, the answer is fixed, and the caller wants it quickly. It also helps in the background, which people overlook. After a call, an AI can write the summary, tag the reason for the call and update the record, so agents do not spend the end of every call typing notes. This part carries almost no risk with the customer, because they never hear it.

It breaks in recognisable places. It struggles with callers who describe a problem in an unexpected way, with heavy accents or poor lines, and with calls that move between topics halfway through. It can also be confidently wrong when the system it reads has out-of-date data, which is a data problem and not an AI problem, but the customer experiences it as the AI lying. Check how fresh and accurate the underlying records are before anything else.

There is a design rule worth holding to: the AI works from a short list of facts and actions it is allowed to use, and nothing else. It can look up an order, reschedule an appointment, resend a receipt. It cannot improvise a policy. When a call falls outside that list, it hands over, with the conversation so far attached, so the customer does not repeat themselves. A handover that makes the caller start again is worse than no AI at all.

Imagine Dana, who runs operations for a regional appliance retailer with a delivery team and a support line. Her queue is full of delivery-window questions and reschedule requests, which her delivery system can answer. Those go to the AI. Damage claims and warranty disputes go straight to her senior agents. Her agents did not shrink in importance, they moved up the queue to the calls that need them. That is the shape you are aiming for.

You can hear what a virtual agent of this kind sounds like in the live demo below. Pick one of the three demo businesses, allow your microphone, and talk to it the way a customer would.

The numbers your centre already tracks, and what AI does to them

If you run a call center you already live by a few numbers. It helps to say plainly what each one means, because AI changes them in ways that can mislead you.

Answer rate and service level. Service level is the share of calls answered within a set time. The long-standing rule of thumb in the industry is the 80/20 rule: answer eighty per cent of calls within twenty seconds. An AI answers instantly, so the number improves overnight. That looks like a win, but it only counts if the caller's problem was actually solved.

Average handle time. How long an agent spends on a call, including the notes afterwards. When AI takes the short lookup calls, the calls left for your agents are the longer, harder ones, so average handle time for people usually goes up. That is not a failure. It is what you would expect when the easy calls disappear, and you should tell whoever reads the report.

First contact resolution. Was the problem solved on the first call, without the customer ringing back? This is the number that tells you whether the automation is good. If AI handles a call and the customer rings again two days later about the same thing, you did not resolve anything, you postponed it.

Cost per contact. Total cost divided by the number of calls handled. Compare it for AI-handled and human-handled calls, but only count a call as handled if it was resolved.

Report these separately for the AI-handled calls and the human-handled ones. Blending them hides the story.

How to test it without risking your customers

Most failed rollouts skip the test that costs least. Start with shadow mode. For a few weeks, the AI listens to live calls and drafts what it would have said or done, while your agents carry on as normal. Nobody outside your team hears it. Then compare. On the lookup calls, how often would the AI's answer have matched the agent's? Where did it differ, and who was right?

When the numbers justify it, switch on one call type for a small slice of callers, with a clear way to reach a person. Track four things.

  • Resolved without a person: the call ended with the task done and no handover.
  • Repeat contact: the same customer called back about the same issue within a week. This is the number that exposes bad automation.
  • Asked for a human: a high count tells you the AI is not trusted or not working.
  • Cost per resolved contact: your fully loaded cost for each call that actually ended with the problem solved, compared across human and AI handling.

Then widen slowly. Add the next call type only when the first is stable. Calls your centre places, not just receives, bring in a separate set of consent rules, which we cover in our guide to AI outbound calling.

If you already outsource part of your calls, our comparison of call center outsourcing and AI voice agents shows how the two fit together.

Staff, security and the systems underneath

Your agents will wonder what this means for them, and silence makes it worse. Tell them plainly what the AI takes: the repetitive lookups and the note-taking. Tell them what it gives them: more time on the calls that need judgement, and a clearer record of each call. Involve your most experienced agents in reviewing the AI's mistakes, because they know what a good answer sounds like.

The question everyone asks is whether this eliminates call center jobs. I do not think anyone can answer that for the whole industry, and I would distrust a vendor who claims to. What I can say from how these projects are built is that the work changes shape. The routine calls shrink, the remaining calls get harder and longer, and the people handling them need more skill and more authority than before. Plan for retraining and a different mix of roles, not an empty floor.

On security, three questions are worth asking any vendor. Where are recordings and transcripts stored, and for how long? Who can listen to them? And what happens to card numbers? Payments taken by voice put the call inside the card industry's data security standard, known as PCI DSS, so the usual approach is to move the caller to a secure payment link or a masked keypad entry instead of letting the AI hear the digits. If your calls touch health information, the HIPAA rules apply too, and the vendor should sign a business associate agreement.

The harder part is the plumbing. An AI that cannot read your order system or write to your records is only a conversation. Connecting it to the systems you already run is most of the work, and it is the reason a generic platform often disappoints. If you are weighing a custom build, our AI voice agent development work and our customer support automation page describe how we approach it.

FAQ

Can AI replace a call center?

Not the whole thing, and I would be wary of anyone who says it can. AI can take the lookup calls and the paperwork around every call. People remain essential for complaints, cancellations, disputes, anyone upset, and every call where judgement or empathy decides the outcome. The sensible goal is a smaller, better queue for your agents, not an empty room.

How can artificial intelligence be used in customer service?

In four main ways: answering simple calls on its own, routing calls to the right person, helping an agent during a call with suggestions and customer history, and doing the work after the call such as summaries and tagging. The last two carry the least risk because customers never hear the AI. Start with whichever fits your biggest source of wasted time.

How is an AI call center different from an automated phone menu?

A phone menu makes the caller work through options by pressing numbers or saying keywords. An AI call center lets the caller say what they want in their own words, and can then look something up or do something in your systems and answer back. The difference is that it understands the request and takes the action, where the menu only routes the call.

Can I use ChatGPT for customer service calls?

A general chat assistant is a good writing and research tool, but it is not a phone system. A call needs speech that responds in well under a second, the ability to cope with interruptions and bad lines, secure access to your order or booking systems, a handover to a person, and a record of every call. Those parts are the engineering, and they are why customer service calls need purpose-built voice agents rather than a chat window.

What should I automate first?

Pick the call type with the highest volume and the cheapest mistake, usually a status lookup such as delivery times or appointment confirmations. It gives you clear data fast and limits the damage if something goes wrong. Once that works, move to lookups with stricter checks, then to anything that needs judgement.

How long does it take to set up?

The AI itself is rarely the slow part. The time goes on getting safe access to your order, billing or scheduling systems, cleaning the data it will read, and running the shadow-mode comparison. If those systems are well kept, a first call type can go live quickly. If the data is messy, fixing that comes first, and it benefits your human agents too.

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