DAK Services, Inc.

DAK Services, Inc. DAK Services, Inc. is a Des Plaines, Illinois telecom company founded by David A. Kosar. We provide

06/18/2026

Mission-critical communications require more than uptime—they require resilience, security, and reliability when it matters most.

Introducing Avaya Nexus™, the evolution of one of the world's most trusted communications platforms. Built with modern cloud-native architecture, Avaya Nexus delivers zero-downtime reliability, enterprise-grade security, and the voice clarity organizations need to support today's AI-powered workflows.

From healthcare and public safety to government agencies and enterprise environments, Avaya Nexus is designed for communications that simply cannot fail.

Watch the video to learn how Avaya is redefining critical communications infrastructure for the future.

Interested in learning how Avaya solutions can support your organization? Contact DAK Phones to discuss your communications needs: https://www.dakphones.com/



We're grateful for clients who take the time to share their experiences.Providing reliable support is about more than re...
06/11/2026

We're grateful for clients who take the time to share their experiences.

Providing reliable support is about more than resolving today's phone issues—it's about helping businesses stay ahead of tomorrow's challenges. At DAK Services, we take pride in delivering honest recommendations, responsive service, and solutions that help our clients get the most from their communications systems.

Thank you to Brian Bursiek for your kind words and continued trust in DAK Services.

Have an experience to share? We'd love to hear from you: https://g.page/r/CTFFCwObYchWEAE/review

Artificial Intelligence is changing the way businesses communicate.As a trusted Zultys partner, DAK Services is excited...
06/04/2026

Artificial Intelligence is changing the way businesses communicate.

As a trusted Zultys partner, DAK Services is excited about the introduction of the new Zultys AI Receptionist and the latest AI-powered enhancements in Release 19.

From intelligent call routing and real-time transcription to sentiment analysis and conversational AI, these new tools are designed to help businesses improve customer interactions while making communications more efficient and insightful.

Available 24/7, the Zultys AI Receptionist can answer questions, assist callers, and route calls to the right person without relying on traditional menu-based systems. The result is a more seamless experience for both customers and employees.

As AI continues to reshape business communications, DAK Services is here to help organizations explore solutions that improve responsiveness, productivity, and customer service.

Learn more: https://rizzoyoung.biz/38y9aOI

Warmer seasons often mean busier days for businesses — and more customer calls coming in.In fact, studies show that near...
05/28/2026

Warmer seasons often mean busier days for businesses — and more customer calls coming in.

In fact, studies show that nearly 7 out of 10 callers are placed on hold when contacting a business.

That means every hold experience matters.

With professional on-hold messaging and music from DAK Services, businesses can turn hold time into an opportunity to create a better customer experience, reinforce their brand, and keep callers informed while they wait.

Because every interaction with your business leaves an impression.

Learn more at https://rizzoyoung.biz/38y9aOI

At DAK Services, we believe business communication should be reliable, efficient, and easy to understand. From recommend...
05/21/2026

At DAK Services, we believe business communication should be reliable, efficient, and easy to understand. From recommending smarter, more cost-effective solutions to helping businesses get more value from their phone systems, our goal is to provide support our clients can count on.

Thank you to our clients for your continued trust and support.

Have you worked with DAK Services? We’d love to hear your feedback.

Leave us a review: https://rizzoyoung.biz/4dozZq4

Today’s business communication needs to move with you.Through DAK Services’ partnership with Zultys , Mobile ZAC helps b...
05/14/2026

Today’s business communication needs to move with you.

Through DAK Services’ partnership with Zultys , Mobile ZAC helps businesses stay connected from virtually anywhere—turning your mobile device into an extension of your business phone system.

From team chat and conference calls to SMS messaging and call groups, Mobile ZAC gives teams the flexibility to stay productive whether they’re in the office, remote, or on the go.

Work smarter. Stay connected. Anywhere.

Learn more at DAKPhones.com

Small businesses are the backbone of our communities—and National Small Business Week is a time to recognize the impact ...
05/07/2026

Small businesses are the backbone of our communities—and National Small Business Week is a time to recognize the impact they make every day.

At DAK Services, we’re proud to be a local business supporting other local businesses.

From daily operations to customer connections, clear and reliable communication plays a key role in keeping everything running smoothly. The right phone system helps businesses stay responsive, professional, and connected.

Strong communication helps keep strong communities moving.

Learn more at https://rizzoyoung.biz/38y9aOI

The shift from legacy phone systems to cloud-based VoIP is accelerating.With 5G expanding and remote work now a permanen...
04/30/2026

The shift from legacy phone systems to cloud-based VoIP is accelerating.

With 5G expanding and remote work now a permanent reality for many SMBs, modern communications are becoming less of an upgrade—and more of a necessity.

The question isn’t whether to make the switch. It’s how long you can afford not to.

DAK Services helps businesses navigate that transition with solutions tailored to their size, workflow, and goals.

Thinking about making the move? Start the conversation at https://rizzoyoung.biz/38y9aOI

On-hold messaging is one of the most overlooked opportunities in business communication.While customers wait, your phone...
04/23/2026

On-hold messaging is one of the most overlooked opportunities in business communication.

While customers wait, your phone system is either adding value—or missing the chance to connect.

With the right messaging in place, that time becomes a moment to share updates, highlight services, and reinforce your brand in a way that actually gets heard.

DAK’s on-hold messaging helps turn everyday calls into meaningful touchpoints for your business.

Discover more: https://rizzoyoung.biz/38y9aOI

One of the most common things we hear from new clients:“We didn’t realize how much we were overpaying.”Legacy phone syst...
04/16/2026

One of the most common things we hear from new clients:
“We didn’t realize how much we were overpaying.”

Legacy phone systems (and the contracts that come with them) can quietly drain a business budget for years. VOIP systems offer the same core functionality (and then some) at a fraction of the cost, with the added benefit of scaling as your team grows.

DAK Services works with Avaya, NEC, and Zultys to match the right system to your business size and workflow. No overselling. No unnecessary features.

Curious what a switch could look like for your business?
Learn more at https://rizzoyoung.biz/38y9aOI

Address

Des Plaines, IL
60016

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 5pm
Saturday 8am - 6pm
Sunday 8am - 6pm

Website

Alerts

Be the first to know and let us send you an email when DAK Services, Inc. posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to DAK Services, Inc.:

Shortcuts

Share

Category