What are the opening hours?

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

DAK Services, Inc.

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United States
Des Plaines, IL
DAK Services, Inc.

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

10/15/2026

Missed calls are missed customers.

Zultys AI Receptionist answers every call to your business, 24/7/365. Callers simply say what they need. The AI answers common questions, books appointments, and routes calls to the right person.

No rigid phone menus. No voicemail at 11 p.m. Just a smooth, professional first impression.

It speaks up to 10 languages and only answers from information you approve. When a caller needs a person, it transfers them with a full call summary.

DAK Services sets it up around your hours, your team, and your call flows. Want to hear it in action?

Contact DAK: https://rizzoyoung.biz/DAK-Services

10/08/2026

🔒 October is Cybersecurity Awareness Month, and your business phone system deserves a spot on your checklist.

VoIP phones are a real target for hackers, from toll fraud to intercepted calls. The good news? A few smart steps close most of the gaps.

Start here:
✅ Ditch default logins and turn on multi-factor authentication
✅ Keep voice traffic on its own secure, encrypted network
✅ Set limits on international calls to block toll fraud
✅ Update your equipment and train your team to spot scams

Not sure where your system stands?

We can help you lock it down: https://rizzoyoung.biz/DAK-Services

09/24/2026

When your phones just work, you stop thinking about them. That's the goal.

We're grateful to the Des Plaines Chamber of Commerce & Industry & DPCCI Foundation team for choosing DAK Services, Inc. over the years.

See what DAK can do for you: https://rizzoyoung.biz/contact-dak

09/17/2026

Looking for a reliable business phone system in Chicagoland?

DAK Services has you covered.

We specialize in business phone systems, structured cabling, and on-hold messaging that keep your company connected and professional.

From installation to ongoing support, we handle everything so you can focus on running your business.

Give us a call at (847) 297-7006 or learn more here: https://rizzoyoung.biz/DAK-Services

09/10/2026

Business communication has moved past the traditional phone system, and DAK Services, Inc. is helping Chicagoland companies keep up.

As a Zultys partner, we offer a unified communications platform with an integrated, AI-enhanced contact center that's secure, reliable, and easy to use.

The platform brings voice, messaging, video, and contact center tools together in one interface. Features like real-time call transcription, closed captioning, and presence status help teams work faster and serve customers better.

Whether your business needs on-premise, cloud, or hybrid deployment, DAK Services supports the entire rollout with dedicated implementation engineers and onshore technical support.

Learn more about upgrading your business communications: https://rizzoyoung.biz/DAK-Services

09/03/2026

Labor Day weekend is almost here!

Before the long weekend begins, we want to thank the local businesses across Des Plaines and Chicagoland that keep our communities strong.

DAK Services is proud to provide the VoIP systems, structured cabling, and telecom solutions that help businesses like yours stay connected every day.

Wishing you and your team a safe and relaxing Labor Day weekend! 🇺🇸

08/27/2026

Great service takes the mystery out of business communications.

We appreciate feedback like this from Randy Cohen and every customer who trusts DAK Services to help solve their phone and communication challenges. From reliable business phone systems to ongoing support, our goal is to make technology simpler so your team can stay connected and focused on business.

Have you worked with DAK Services? We’d love to hear about your experience. Leave us a review and let other Chicagoland businesses know how we did! https://rizzoyoung.biz/4dozZq4

08/20/2026

Smarter communication starts with smarter technology.

AI is changing the way businesses communicate—helping teams work more efficiently, respond faster, improve customer experiences, and turn everyday interactions into valuable insights.

By integrating AI with modern telecom and unified communications tools, businesses can streamline workflows while giving employees the technology they need to stay connected and productive.

We help Chicagoland businesses build communication solutions designed for how teams work today—and where business technology is headed next.

Ready to explore what AI-powered communications could mean for your business? Connect with DAK Services.

Learn more: https://www.dakphones.com/

08/13/2026

Is your business communication working as hard as your team? Discover how ZAC by Zultys brings voice, messaging, video, contact center, and AI-powered tools together in one secure, unified communications platform. Whether your business operates on-site, remotely, or in a hybrid environment, DAK Services helps Chicagoland businesses stay connected with reliable technology and local support you can count on.

Read our latest newsletter to explore the benefits of unified communications and see how ZAC can help improve collaboration, customer service, and productivity. https://rizzoyoung.biz/unified-coms-meets-ai

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

https://www.dakphones.com/

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