YOUR TRUSTED CHICAGO METRO AREA TECH ADVISOR FOR VOICE, DATA AND CLOUD COMMUNICATIONS
OUR SOLUTIONS
With our core competency in telephone system design, installation and maintenance, we pride ourself on our ability to service our clients. Our technicians hold some the highest levels of certification in the industry and are fully trained and certified on the full portfolio of products we sell, service and support.

Unified Communications
- Digital, VoIP, Cloud Based and On-Premise Phone Systems
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Business Text / SMS
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Voicemail (Audio & Email)
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Full-Service Telephone Network Maintenance
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24-HOUR Emergency Service

Carrier Service Solutions
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Authorized Phone Network Service Provider
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We work directly with the phone company on your behalf
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We are partnered with a variety of phone and network carriers
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Free Carrier Assessments

Contact Center Solutions
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Complete Contact Center Solutions
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Custom Tailored for business needs
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Single-site / Multi-site
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Advanced reporting
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And more...

Video and Collaboration Tools
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Team collaboration solutions (voice, video, chat and file sharing)
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Easy to deploy and use
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Remote worker / mobility solutions
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Secure and reliable

Network Solutions
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IP-based Phones and Routers
- Computer Telephony Integration (CTI)
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High-Speed Internet Access
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Point-to-Point Networking and vLANs
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Wide Area Networking (WAN)
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Full Service Cabling

Remote Worker Solutions
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IP Phones and Softphones
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Video Meeting Apps
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Cloud based for easy deployment
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Secure and Reliable

Cloud /Hosted Voice Solutions
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VoIP/cloud/hosted voice solutions
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Hybrid (premise/cloud) options
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Public or Private cloud
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Disaster Recovery / Business Continuity benefits
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No Capital Expense
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Month-to-Month Subscription

Security Solutions
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Video Surveillance Systems
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Door-Strike Entry Systems
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Card Readers
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Mass Notification Solutions

Customized Solutions
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Entrepreneurs (1-25)
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Small-Medium Business (SMB) (25-250)
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Enterprise (Single and Multi-Site) (250+)
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Government & Education
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And more....
WHAT MAKES CONVERGED DIGITAL NETWORKS DIFFERENT?



EXPERIENCE
With over 150+ years of combined telecom experience the experts at Converged Digital Networks (CDN) have the experience necessary to spec the best products and solution to meet the needs of each unique business. Contact us to schedule a no-obligation consultation today!



LOCAL SUPPORT
We provide local support to all customers and provide emergency service 24x7. Should your phone system go down during a storm or power outage your business can be impacted. You can trust the technicians at CDN to get your system up and running in no time. So your business never misses a beat.



COMMITMENT
We take the time required up front to learn about each clients needs before presenting a solution. We always take the time to train our clients on how to use their new phone equipment and apps. And, we are also committed to training our account executives and technicians to be up to date on the latest technology.
OUR STRATEGIC PARTNERS
We've partnered with industry leading voice and data suppliers to acquire the best products available. Our team of experts are certified on the complete portfolio of products we offer and have access to manufacturer sales engineers to assist with designing custom solutions to meet the specific needs of each client.
WHAT OUR CUSTOMERS ARE SAYING
Our goal is to provide VIP Service to ALL of our Customers and deliver an exceptional Customer Experience.
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LATEST NEWS& BLOG POSTS
Have Questions? Connect with an Expert!
We are here to assist. Contact us by chat, phone, email, social media or reach out to us by completing the form below.
Tel: +1.630.390.3200 | Fax: 630.390.3100
Email: sales@dndc.com
2051 Ogden Avenue
Downers Grove, IL, USA 60515