Contact center: definition, operation, and optimization

James Rebours
Glossary
- 8 min reading
Published on
January 23, 2026

Calls, emails, chat, social media... Your customers contact you from everywhere. How can you centralize and effectively manage all these flows? That's the role of the contact center.

In this guide, discover what a modern contact center is, how it works, and how to optimize it to deliver an exceptional customer experience.

Contact center: definition

A contact center is an organizational and technical structure that centralizes the management of all customer interactions, regardless of the channel used: telephone, email, chat, social media, text messages, etc.

It is an evolution of the traditional call center, which only handled telephone calls.

Contact center vs. Call center

AppearanceCall centerContact center
ChannelsTelephone onlyAll channels (omnichannel)
Customer visionPer call360° view of all interactions
TechnologyPABX, ACDUnified cloud platform
FlexibilityLimitedVersatile agents
DataSilotéesCentralized

The contact center represents an omnichannel approach where customers can switch between channels seamlessly.

The components of a contact center

1. Technical infrastructure

  • ACD (Automatic Call Distributor): intelligent call routing
  • IVR (Interactive Voice Response): interactive voice server
  • Omnichannel platform: unified management of all channels
  • Integrated CRM: accessible customer history
  • Workforce management tools: team planning

2. Human resources

  • Agents: on the front line with customers
  • Supervisors: management and quality
  • Managers: strategic management
  • Technical support: tool maintenance
  • Training: continuous skills development

3. Process

  • Scripts and procedures
  • Escalation management
  • Quality control
  • Continuous improvement

The different types of contact centers

According to flow direction

  • Inbound: receiving customer requests (support, information)
  • Outbound: outgoing calls (prospecting, follow-ups, surveys)
  • Blended: mixed inbound/outbound

According to the operational model

  • Internalized: in-house teams
  • Outsourced: specialized service provider
  • Hybrid: a mix of both

Depending on the location

  • On-site: agents on site
  • Remote: teleworking agents
  • Offshore: in another country
  • Nearshore: nearby country

Contact center KPIs

The performance of a contact center is measured using numerous indicators:

Productivity indicators

Quality indicators

Service indicators

  • Pickup rate: calls answered vs. calls received
  • First response time
  • Abandonment rate: customers who hang up
  • Compliance with SLAs

The evolution towards the intelligent contact center

Contact centers are transforming thanks to AI and automation:

Automation of repetitive tasks

Simple and recurring requests can be handled automatically, freeing up agents for complex cases.

Agent support

AI suggests responses, summarizes conversations, and assists agents in real time.

Smart routing

Content and context analysis allows each request to be routed to the most qualified agent.

Predictive analytics

Anticipating peaks in activity, detecting customers at risk of churn, identifying trends.

Klark integrates with contact centers to automate the processing of simple requests and assist agents with complex cases, thereby improving productivity and customer satisfaction.

The challenges facing contact centers

Staff turnover

The job is demanding. Retaining talent requires attention to working conditions, training, and career prospects.

Peak management

Sales, incidents, news... Volumes can skyrocket. Flexibility is crucial.

Consistent quality

Maintain the same level of service at 9 a.m. as at 6 p.m., with 10 or 1,000 contacts per hour.

Technological evolution

Tools evolve quickly. Staying up to date requires investment and continuous training.

How to optimize your contact center

1. Invest in training

Well-trained agents are more effective, more satisfied, and deliver a better customer experience.

2. Adopt a true omnichannel approach

Channels must be integrated, not juxtaposed. The customer should never have to repeat their story.

3. Automate intelligently

Start with high-volume, low-complexity requests. Keep humans for added value.

4. Listen to your agents

They are on the front line. Their feedback is invaluable for improving processes and tools.

5. Measure what matters

Too many KPIs kill KPIs. Focus on indicators that are truly related to customer satisfaction.

6. Develop self-service

A good knowledge base and effective self-service reduce the workload on the contact center.

Internalized or outsourced contact center?

CriteriaInternalizedOutsourced
ControlTotalPartial
Fixed costHighVariable
FlexibilityLimitedHigh
Business expertiseTo be builtImmediate
CultureAlignedTo align

The choice depends on your strategy, your volumes, and the strategic importance of customer relations.

Frequently Asked Questions

What is the ideal size for a contact center?

There is no ideal size. It depends on your volumes, your target SLAs, and your level of automation.

How much does a contact center cost?

The main costs are salaries (60-70%), technology (15-20%), and premises/infrastructure (10-15%).

Does remote work work for contact centers?

Yes, increasingly so. Cloud tools make this possible. But it requires management and processes to adapt.

Is a 24/7 contact center necessary?

Not necessarily. Analyze when your customers contact you and what their expectations are. Self-service can cover off-peak hours.

Conclusion

The contact center is the heart of your customer relationship. Well designed and well managed, it transforms every interaction into an opportunity for customer loyalty.

The keys to a successful contact center:

  • Adopt a true omnichannel approach
  • Invest in your agents (training, conditions)
  • Automate low-value-added requests
  • Measure the right indicators
  • Develop self-service as a complement

Want to boost your contact center's performance? Discover how Klark can help.

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