At Dual Communications, we provide telecommunication services for businesses large and small. Whether you are starting a new business or expanding an existing business, Dual Communications can help. Have a telephone system that is not working properly? We can repair and service all major telephone brands and models.

Business Telephone Systems
Installation of new and refurbished telephone systems of major brands such as Avaya, Nortel Networks, Comdial, Toshiba and others. Dual Communications will provide customized telephone programming to fit your business needs.

VOIP Business Telephone Systems
Installation and maintenance of the latest technology VOIP ( Voice Over Internet Protocol ) telephone systems. This technology can cut your phone bill in half, while providing a host of additional features a standard business telephone system cannot provide.

Voice Mail and Auto Attendant
At Dual Communications, installation and programming designed to enhance the operating efficiency of your staff is our business.

Cable Installation
Dual Communications will Install new voice, paging and network cable. Services include troubleshooting, repairing and replacement of existing cable. At Dual Communications, we can also identify unmarked voice and data cables and install various data racks and patch panels.

Additional Equipment
Installation and service of paging speaker systems, music on hold, door telephones, conference telephones and wireless telephones.

9708 Beech Avenue, Crystal Lake,IL 60014
Nortel Networks phones
Toshiba Phones
A Voice and Data Company
Dual Communications, LLC
Phone - 815-261-0078
Fax -     815-261-0077
Repair and maintain legacy systems from the manufacturers below
Install and maintain new systems from the manufacturers below
Our company’s success is due to the quality of our workmanship and the support we provide our customers.