Unified Communications Under Your Roof:
On Premise Phone Systems

When you're shopping for an on premise phone system there's no better partner than ICC. Integrating your communications services (voice & telephony, web & video conferencing, Instant Messaging and others) can get messy. We simplify the process by identifying the features that will create the most value for your organization, implementing the most cost-effective on-premises phone system, and backing it all up with our world-class support.

Other Services

There for you, 24 / 7 / 365

No business can afford network downtime. The loss, even temporarily, of access to mission-critical information or the inability to perform vital functions will impact an organization's bottom line. ICC helps you choose the Maintenance and Support Services package that maximizes your uptime and best fits your budget.

A Company You Can Trust And Rely On

ICC holds top partner status and certifications with several central technology platforms including Avaya. These certifications are only given to business partners who meet stringent requirements for converged voice and data, technical mastery and customer satisfaction. Earning these certifications are a direct result of ICC's talent, dedication, and commitment to our customers.

Avaya Hardware

Avaya is the platform of choice for ICC customers due to its robust functionality and cost savings enjoyed by our voice customers. Avaya's catalog includes device options for desks, conference rooms, and across-office usage, while supporting in-office, mobile, remote, and video users. It's a "single box" that is easy to install and less time consuming to manage.

Certified Experts

ICC employs a skilled team of Avaya Certified Technicians. Our Engineers have achieved the highest levels of training and certification on the complete line of Avaya products. We constantly upgrade our training and services in accordance with advancements in technology and industry best practices.

Since our founding in 1987

Trusted Advisors

We have served thousands of NYC businesses.

30,000 Phones and Counting...

Installed and supported over 30,000 phones.


Ran 500,000 miles of wire—enough to circle the globe twenty times or to make a trip to the moon and back. No job is too big or small.


Get In Touch With Us

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(212) 699 3250

This Location

519 8th Avenue, 4th Floor,
New York, NY 10018