Phone Systems
Business Phone & Unified Communications Solutions
Communication is at the heart of every successful Chicago organization. Regardless of the type of company, if employees are working in the office, remotely, or across multiple locations, your business needs a reliable communication platform that keeps everyone connected. For 30 years, Infinity Technologies modernized communications for business throughout Chicagoland and Northwest Indiana with scalable business phone systems, VoIP phone systems, cloud phone Systems, and unified communications solutions. Being headquartered in Mokena, Illinois empowers us to design, install, and support cloud, on-premises, and hybrid communication platforms that improve collaboration, increase productivity, and provide exceptional customer experiences with ease. No matter what, our experts will design a communications system tailored to your organization’s needs for today and tomorrow.
Modern Business Communications Solutions
Business phone systems are more than simply making and receiving calls, our integrated communication platforms support voice, videochat, text messaging, mobility, and collaboration from virtually anywhere. Every solution is designed to improve communication while reducing complexity and supporting your long-term business goals.
Infinity Technologies provides complete communications solutions including:
- Business Phone Systems
- VoIP Phone Systems
- Cloud Phone Systems
- Hosted VoIP
- Unified Communications (UCaaS)
- Hybrid Phone Systems
- On-Premises PBX Systems
- Microsoft Teams Calling
- SIP Trunk Services
- Multi-Site Phone Systems
- Business Communications Platforms
- VoIP Installation & Deployment
Communications Solutions
Our business communication platforms include the features organizations depend on every day.
- Cloud Phone Systems
- Hosted VoIP
- Hybrid Phone Systems
- On-Premises PBX
- Intelligent Call Routing
- Auto Attendants
- Call Recording
- Mobile Applications
- Conference Calling
- Multi-Location Communications
- Microsoft Teams Integration
- SIP Trunk Services
- Voicemail-to-Email
- Presence & Instant Messaging
- Video Meetings & Collaboration
Whether you have 10 users or thousands across multiple locations, we build communication systems that scale with your organization.
Why Modernize Your Phone System?
Improve Employee Productivity
Enable employees to communicate seamlessly from the office, home, or on the road using desktop phones, laptops, and mobile devices.
Enhance Customer Experience
Intelligent call routing, auto attendants, voicemail, and unified communications help ensure customers quickly reach the right person, and important calls never go unanswered.
Support Hybrid Work
Keep remote employees and in-office teams connected through a unified communications platform that supports collaboration from anywhere.
Reduce Telecommunications Costs
Replace expensive legacy phone systems with modern VoIP Phone Systems and cloud communications that reduce infrastructure and maintenance costs.
Scale with Confidence
Easily add users, offices, departments, and new features as your business grows—without replacing your entire phone system.
Communications Solutions for Every Industry
- Hospitals & Clinics
- Police Departments
- Municipal Governments
- Retail Organizations
- Manufacturers & Warehouses
- Universities & Educational Institutions
- Professional Services
Why Choose Infinity Technologies?
Established Since 1997
Over two decades of experience delivering business communications and technology solutions.
Cloud, Hybrid & On-Premises Expertise
We design and support cloud-based, hybrid, and traditional communication systems based on your organization’s unique requirements. We are located in Mokena, Illinois so our technicians are just one phone call and short drive away from troubleshooting any concerns.
End-to-End Installation & Support
From system design and implementation to training, maintenance, and future upgrades, Infinity Technologies supports every stage of your communications lifecycle.
Multi-Site Communication Solutions
We specialize in connecting multiple offices, campuses, warehouses, and facilities through centralized communication platforms.
Public & Private Sector Experience
Our team has successfully delivered communication solutions for businesses, municipalities, healthcare organizations, educational institutions, manufacturers, and professional service firms.
One Technology Partner
Beyond communications, Infinity Technologies provides Managed IT Services, cybersecurity, network infrastructure, structured cabling, security cameras, access control, and audio-visual systems that foster integrated technology environments.
Frequently Asked Questions
What is a VoIP phone system?
A VoIP (Voice over Internet Protocol) phone system uses your internet connection instead of traditional telephone lines, providing advanced features, greater flexibility, and lower operating costs.
How much can a business save by switching to VoIP?
Savings vary depending on your current phone system and usage, but many organizations reduce monthly telecommunications costs while gaining significantly more functionality.
Can employees use mobile devices?
Yes. Modern cloud phone systems allow employees to make and receive business calls from smartphones, laptops, desktop applications, or traditional desk phones using the same business phone number.
Do cloud phone systems work for multiple locations?
Absolutely. Cloud-based communications make it easy to connect multiple offices, warehouses, campuses, and remote employees through one centralized platform.
Can your phone systems integrate with Microsoft Teams?
Yes. We provide Microsoft Teams Calling and unified communications integrations that combine voice, messaging, meetings, and collaboration into one streamlined solution.
Do you provide installation and ongoing support?
Yes. Infinity Technologies provides complete system design, VoIP installation, user training, ongoing support, maintenance, and future system expansions.
Related Technology Solutions
Business communications often work best when integrated with your organization’s broader technology infrastructure.
Our related services include:
- Managed IT Services
- Network Infrastructure
- Structured Cabling
- Audio Visual Systems
- Cybersecurity Solutions
- Access Control Systems
Together, these solutions create a secure, reliable, and connected technology environment that supports long-term business success.
Schedule a Communications Assessment
Modern business communications are about more than making phone calls—they’re about enabling collaboration, improving customer experiences, and supporting the way today’s organizations work.
Whether you’re considering Cloud Phone Systems, Hosted VoIP, Unified Communications, Microsoft Teams Calling, or a complete communications upgrade, Infinity Technologies will help you identify the right solution for your business.
