About Us

Converged Digital Networks is a multi-faceted telecommunications company providing reliable, high quality and cost effective solutions and services to a wide-range of customers from small business to enterprise.

Our Story
Founded in 1987 by Joseph R. Weddle as Digital Network Development Company (DNDC), the company was renamed Converged Digital Networks (CDN) as a result of digital networks becoming less of a mission for the company.  Converged Digital Networks was born to support the changing landscape of technology and our ability to change with technology.

Our Mission
Our mission at Converged Digital Networks is to be the trusted and recognized leader and supplier of choice in business communications by providing innovative and cost effective solutions that meet the customers’ needs.

Our Goal
Our goal is to exceed our customers’ expectations through extraordinary service, support and vision.

Our Managed Services Program
We are pleased to offer a managed services program option so that customers can minimize the risks and responsibilities associated with ownership and operation of their communications system while maximizing their investment.

Managed Services Benefits

  • Full Service and Warranty
  • Guaranteed Rates for Expansion
  • Free Software Upgrades
  • Disaster Recovery Provision
  • No Penalty Obsolescence Protection& Recast Flexibility
  • Risk of Loss Coverage (including Software viruses)
  • System Training
  • Discounted System Relocation
  • Guaranteed Renewal Options
  • Flexible Contract Terms
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Our Product Portfolio
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. We are a Gold Level Mitel Exclusive Business Partner and our technicians are fully certified on all products we sell and support.

Telephony Solutions

  • Digital, VoIP and Cloud Based Phone Systems
  • Full-Service Cabling
  • Full- Service Telephone Network Maintenace
  • 24-HOUR Emergency Service

Carrier Services

  • Authorized Phone Network Service Provider
  • We work directly with the phone company on your behalf
  • We are partnered with a variety of Phone & Network carriers

Network Solutions

  • IP-based Phones & Routers
  • Computer Telephony Integration (CTI)
  • High-Speed Internet Access
  • Point-to-Point Networking and vLANs
  • Wide Area Networking (WAN)

Security Solutions

  • Video Surveillance Systems
  • Door-Strike Entry Systems
  • Card Readers


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Copyright 2019 © Converged Digital Networks (DNDC) Downers Grove, IL