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Call One is a one point of contact business telecommunications provider. We connect to our clients by offering them a single source for integrating voice, data, video and internet services with phone systems, network equipment, wiring, installation and management. We build connections for our clients by offering the leading technologies that best meet their unique business requirements and by staying focused on our relationship-driven customer service, customized billing and service solutions. Often network services are assumable without need for reinstallation, interruption of services or downtime.

For more information:

Larry Widmer, CPPB
225 West Wacker Drive
Suite 800
Chicago, IL 60606