Please note our offices will be closed on July 4th and 5th. Our techs will be available in case of emergencies at (630) 241-0600.

Business VoIP, Cloud and IT Solutions

VoIP, Data, Cloud, and Managed Services designed to fit your unique business and budget.

Business cloud and IT solutions


We are your team of innovative IT experts.

At CCSi Communications, we keep up with the fast-changing world of technology, so you don’t have to. We provide voice, data, MSP, cloud, and networking solutions for businesses with clients across North America and parts of Europe. As your business advocate since 1981, we aim to deliver savings and be your trusted resource for innovative technology solutions and projects. With CCSi Communications, you can save time and money to focus on your business better while we manage the rest.



  • Hosted VoIP services
  • VoIP integration with Microsoft Teams
  • SIP trunks
  • Local, toll free, and international numbers
  • Call center solutions
  • Custom integrations
  • Call recording & transcriptions
  • Softphones


  • Network architecture
  • Disaster recovery
  • Network attached storage
  • Structured cabling
  • Door access systems

Managed Services

  • Managed IT
  • Managed security
  • Project management
  • Desktop-as-a-Service
  • Microsoft Office365


  • Cloud backups
  • Hybrid cloud setup
  • Door access
  • Paging systems
  • Active directory
  • LDAP-as-a-Service


  • Fully customized client app
  • White-labeled app
  • Embedded app

Our Approach

We work as an extension of your team to help you identify the unique needs of your business, solve problems, install solutions and manage projects. All while finding you the most savings possible. Some businesses prefer more control, while others want us to take care of it all. We’re here to help you the way you work best.

Contact Us

(630) 241-0600

365 Surryse Rd, Ste 220, Lake Zurich, IL 60047

Monday-Friday: 8am – 4:30pm

Let’s get started.

The smart business choice for all your data and telecom needs.

CCSi Communications provides voice, data, managed IT services, and cloud services to enterprise businesses across North America at an affordable price. Based in the Chicago area since 1981, CCSi is your trusted partner, taking the time to understand your business, and provide cost-effective solutions for your continued growth.