Sales Director
In post-pandemic Britain, with companies stretched owing to numerous factors, telephone abuse of call centre workers is rising. But how can you combat angry customers and protect your staff? In this post, we'll explain several strategies, including using several phone system features to minimise mistreatment from callers.
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People who deal with customers by telephone may experience aggression and verbal abuse, especially those working in consumer service or complaint departments. Abuse in call centres is all too common, and it is increasing. With other contributing factors adding to the increase in complaints, including the pandemic and rise in the cost of living, the mistreatment of support centre staff only continues to grow.
According to new research from the Institute of Customer Service, 60 per cent of customer service workers have experienced hostility in the past year. Nearly half of those who faced abuse said callers were becoming more aggressive because of stock issues and staff shortages. The same report states that as many as 36 per cent of call centre agents have been threatened with violence.
Generally, customer support is one of the functions most at risk of burnout. According to a 2016 study, 74% of call centre agents were at risk of breakdown and exhaustion. 30% of those agents are desperately hanging onto workplace sanity.
Another study conducted by Guy Winch PhD, who interviewed call centre staff, found that agents can encounter an average of up to 10 hostile encounters a day, during which they are made to deal with personal insults, screaming, cursing and threats.
It's worth remembering that a call worker isn't just a voice on the end of a line — they're a person absorbing the brunt of someone else's bad day, often on repeat, shift after shift. And this isn't a uniquely British problem either; search interest in phrases like abus verbal dans les centres d'appels shows that call centre employees across France, and indeed globally, are grappling with the exact same issue. Nor is it confined to the phone-based call centre alone — couriers report being verbally made fun of on doorsteps, delivery drivers cop abuse for late parcels, and retail staff face similar hostility at the till. Wherever there's a frustrated customer and a frontline worker, the risk of abusive behaviour follows.
Many factors contribute to the rise in complaints and abuse directed at call centre staff. The main culprits are the recent pandemic, Brexit, and stock shortages. Post-pandemic life has made things much harder for support centre employees due to staff shortages and the restrictions that were in place for so long.
Customer patience is wearing thin, making call centre workers a target for abuse from angry callers who have to wait long periods of time for service helplines to answer and deal with their queries. Add rising living costs, delayed deliveries, and stretched customer service teams into the mix, and it's little wonder call centre problems around abusive callers are climbing rather than easing off.
This rise in call centre abuse isn't just anecdotal — it's backed by repeated call centre study data showing hostility spiking whenever external pressures (inflation, supply issues, staffing gaps) hit customers' patience hardest. The pattern is consistent: the angrier the wider world feels, the more that anger gets funnelled straight down the phone line at whoever happens to pick it up.
Before we go further, it's worth pinning down exactly what we mean by verbal abuse in the workplace, because "an angry customer" and "an abusive customer" are two very different things — and call centre employees deserve clarity on where that line sits.
Verbal abuse from customers at work typically includes:
Ordinary frustration — a raised voice, a sigh, an "I've been waiting forever!" — isn't the same as abuse, and treating every irritated customer as an abusive caller can burn agents out just as fast as genuine mistreatment does. The distinction matters because it shapes how call centre rules and regulations for employees should respond: de-escalate the frustrated customer, but firmly and consistently shut down the abusive one.
Verbal abuse (defined as verbally threatening, using foul language and being emotionally out of control) can seriously impact your employees' mental well-being. This type of abuse can lead to staff anxiety, stress, and longer-term ill health. This can negatively affect your company as it can result in low morale, increased employee turnover and recruitment difficulties.
Experienced call centre agents should be trained to deal with angry customers. But if the anger is directed at the agent and personal abuse is used, the situation becomes increasingly difficult — and an angry call centre agent who's had one abusive call too many is far more likely to make mistakes, disengage from the job, or leave altogether.
The knock-on effects are rarely contained to one bad shift. A call centre worker who's been shouted at, threatened, or humiliated on one call often carries that stress straight into the next one, meaning a single abusive customer can quietly damage the quality of service received by every caller that follows. Left unchecked, this cycle is exactly how customer service abuse turns into a wider staffing and retention crisis for the business.
To make this less abstract, it helps to picture the kind of call centre scenario that plays out every day across support lines up and down the country:
Scenario one: A customer has been on hold for twenty minutes chasing a delayed refund. By the time an agent answers, they're not just frustrated — they're hurling insults, swearing, and demanding to speak to "someone who actually knows what they're doing". The agent hasn't done anything wrong; they've simply become the nearest target for a frustration that built up long before the call connected.
Scenario two: A caller doesn't get the answer they want and escalates into personal remarks about the agent's competence, accent, or intelligence. This is a textbook example of call centre bad behaviour tipping from "annoyed customer" into abusive caller territory.
Scenario three: A repeat caller recognises an agent's voice from a previous interaction and picks up exactly where the last abusive call left off, using the same threats or insults. This pattern of targeted, repeated hostility is often what causes the most lasting psychological harm.
Stories like these occasionally spill onto social media, sparking obvious uproar at callers being abused when clips or transcripts go public — a reminder that the public generally sides with the worker, even if that sympathy rarely reaches the agent in the moment they need it most. Recognising these patterns as they happen is the first step towards handling them properly, which is exactly what we'll cover next.
How can you protect your staff from potential harm and abuse inflicted by callers? Features offered by your phone system are just one of the ways you can minimise abuse and protect your staff. Here are several ways you can configure your phone system to better protect your team.
The first step to deterring abusive behaviour is nipping it in the bud as soon as they pick up the phone. Welcome your customers with a message warning them that your calls are recorded for monitoring purposes; this immediately alerts them that their behaviour is being observed and will reduce the chance of abusive behaviour. Many businesses use a version of the familiar line: "This call may be recorded for quality and training purposes" — a phrase so widely used that most callers now register it instinctively, which is exactly why it works as a deterrent.
Recording calls also minimises the chance that employees may be unprofessional when disputes occur. This enables managers to find out exactly what was said and find an appropriate solution to issues that have taken place between agents and customers. Following this, recording your calls can help improve working processes and detect where employee training is required. It's also invaluable evidence if a customer complaint later turns into a formal call centre employee HR dispute, since managers can review precisely what was said rather than relying on two conflicting accounts.
Call recording is a standard feature incorporated in many leading phone systems, such as 3CX and Gamma Horizon. Looking for wider cloud phone services examples? Alongside 3CX and Horizon, most modern cloud-based platforms now bundle in call recording, real-time call analytics, and barge-in features as standard — so it's well worth comparing what's included rather than assuming these protections are an expensive add-on. To find out more about these systems, contact T2k today.
A pre-recorded message will help reduce customer abuse by keeping them in the loop. Playing a message to your customers before they connect to your team will help minimise potential mistreatment caused by waiting callers.
A pre-recorded message prompts the customer that they are in the queue and their query will be dealt with soon. This type of statement can say something along the lines of: "We're extremely busy, and our team is working as quickly as they can — please be patient and understanding when you speak to an agent."
You may occasionally come across clunkier, auto-translated versions of this same idea doing the rounds online, such as: "All representatives are currently occupied. Please wait patiently, we will receive you soon." It raises a fair question — which one is correct, grammatically tidy phrasing or the slightly awkward version? For SEO and search intent purposes both get typed into Google, but for your actual customers, always go with the clearer, more natural wording. Clunky phrasing undermines the professionalism you're trying to project, however well-intentioned the message is.
Adding a simple notification like this is more likely to reduce customer frustration, as they're informed that the centre is busy. When you let customers know they're in the queue and that you're working as hard as possible, it often softens any frustration that's built up before the call even connects. Just don't confuse this with something like a rejection hotline — those novelty numbers exist purely to reject unwanted callers with a joke; your queue message needs to sound warm, human, and genuinely reassuring instead.
Too often, customers hit dead ends in automated menu systems or end up in the wrong department. Having a poorly configured automated notification system (ANS) in place can lead to customers going around in circles, answering questions incorrectly and not knowing what department they need. This adds to stress and frustration and increases the risk of abuse towards your staff.
We recommend that you spend time with your provider and review your auto-attendant configuration to ensure you have as few menu levels as possible and that there are no dead ends. A well-built ANS should feel like it's guiding the customer somewhere useful — not testing their patience before they've even spoken to a human being.
Call analytics is a great tool for spotting many issues with your phone system and company operations. This nifty system can track what happens during the phone call based on words and phrases said during the conversation. With call analytics, you can now get in-depth data about what happened during the interaction, as it measures, collects, analyses and reports call data.
The wonderful thing about call analytics is that it can improve customer service, as you can spot key issues, including busy times and recurring customer complaints. By reviewing a full call breakdown — how long calls take, where they stall, and which topics trigger the most frustration — you can determine working schedules and ensure enough staff are working during high-volume periods. When identifying the main problems, you can find what needs improving within your company to reduce complaints on certain topics.
VoIP phone systems allow you to look at stats which will help you understand when you might need more staff ready to take calls, and can even flag patterns that suggest a particular caller or topic is becoming a recurring source of abusive phone calls.
Most VoIP phone systems allow managers and supervisors to "barge in" to conversations between call centre employees and customers. This simply means that managers can jump onto the call and assist. It can be invaluable if you have a team member who's struggling with the caller and requires assistance from a supervisor or manager.
With this feature, the customer does not necessarily have to know that there is someone else on the call. Supervisors can silently observe an agent's conversation with a customer to ensure high-quality service, then barge into calls to assist if there's trouble or service standards aren't being met — a genuinely reassuring safety net for any call centre worker facing an escalating, abusive caller.
Unfortunately, dealing with angry customers is part of the job description of a call centre agent. But there's a fine line between an angry customer and an abusive one, and knowing how to contain them before they cross that line is a skill in itself. There are methods an agent can use to stop too much upset building and prevent the situation from escalating.To help your call centre staff properly deal with complaints and handle abuse, the best approach is to train them in how to handle abusive customers in a call center setting specifically — not just general customer service skills. By properly educating your employees, you're helping them know how to maintain composure and stay in control of each call when managing angry and demanding customers over the telephone.
A good training programme should cover:
Your call centre staff are always going to deal with difficult people from time to time. As an employer or manager, simply being there to support your workers — rather than leaving them to absorb every abusive call alone — helps them manage customers and reduces agent stress considerably.
One of the most effective ways to reduce call centre abuse long-term is to have a written, consistently enforced policy that every call centre worker can point to. Vague verbal reassurances ("just hang up if it gets bad") aren't enough — agents need clear, documented call centre rules and regulations for employees that spell out exactly what counts as abusive behaviour and what happens next.
A solid policy typically sets out:
Having this documented isn't just good practice for morale — it also protects the business if a customer complaint ever escalates into a formal call centre employee HR dispute. When policies are written down, applied consistently, and agents are trained against them, employers are in a far stronger position to demonstrate they took reasonable steps to protect staff from harm.
Beyond formal policy, managing toxic customer calls comes down to the small, everyday habits a team builds around handling difficult interactions. Some practical, proven approaches include:
None of this eliminates customer abuse entirely, but it consistently reduces its impact, and that's really the realistic goal here.
It's also worth asking a slightly different question: what communication gaps do commercial customers report during service events, and how do these gaps end up fuelling abusive calls in the first place? Commercial customers — businesses calling on behalf of their own operations — frequently report frustration around unclear timelines, being passed between departments without context, and having to repeat their issue to multiple agents.
These communication gaps rarely excuse abusive behaviour, but understanding them helps call centres get ahead of the problem. If customers consistently report confusion around order updates, service outages, or billing changes, that's a signal to tighten internal processes, improve automated notifications, and ensure call centre employees have the information they need at their fingertips before the customer even asks.
While most of this article focuses on verbal abuse, it's worth flagging a related but distinct call centre problem: PBX fraud and abuse. This refers to criminals exploiting a business's phone system — often a PBX or VoIP setup — to make unauthorised calls, rack up charges, or gain access to sensitive systems.
Although PBX fraud is a technical rather than emotional threat, it often creates the same knock-on pressure for call centre workers: unexpected costs, system downtime, or a flood of confused customer calls when something goes wrong. Choosing a reputable provider with strong security protocols as standard is one more way to keep both your systems and your staff protected.
Search interest in the "rise call center" trend reflects a genuine and growing concern: hostility towards call centre employees isn't a temporary blip, it's a sustained upward trend. Every fresh economic pressure — inflation, energy price rises, delivery delays — seems to translate fairly directly into more abusive callers dialling into already-stretched support lines.
This is precisely why proactive measures matter so much. Waiting for abuse to become a crisis before addressing it puts both your call centre employees and your customer service reputation at risk. Building in protections now — recording, clear queue messaging, sensible ANS configuration, robust policy, and genuine staff support — is far more effective than reacting after morale has already collapsed.
Are you looking to add some of these features to your VoIP phone system to minimise abuse directed at your call centre workers? Then speak to T2k today. T2k has been helping many companies find the right communication technology for their business for over 25 years. Our expert advisors are here to help you find the most beneficial phone system and features for your company, ensuring your organisation's operations run smoothly and efficiently — and that your call centre agents feel properly protected and supported, not exposed to every abusive customer who calls in.
Contact T2k today and our specialists will review your requirements to help you find the best cloud phone system at the most suitable price.
With over 25 years’ experience at T2k, Lee began his career as a telecoms engineer before progressing to Sales Director. He leverages his foundational technical knowledge to provide businesses with impartial, expert advice on modern communications, specialising in VoIP and cloud telephony. As a primary author for T2k, Lee is dedicated to demystifying complex technology for businesses of all sizes.
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