Technology & ICT — VoIP & UC

VoIP & Unified Communications for Illinois Businesses

Integrated voice, video, and messaging over IP — cutting telephony costs while keeping your entire organization connected on any device.

VoIP & Unified Communications for Illinois Businesses

Traditional phone systems are expensive, inflexible, and hard to manage. Nexus designs and manages cloud-hosted and on-premises VoIP solutions for Illinois organizations, replacing legacy PBX with modern unified communications — designed to lower telephony costs while adding mobile integration, video calling, and presence management.

Cloud-Hosted VoIP

Fully managed cloud PBX with auto-attendant, voicemail-to-email, call recording, and hunt groups.

Unified Messaging

Voice, SMS, chat, and video in one application — accessible from desk phone, softphone, or mobile.

Microsoft Teams Voice

Direct Routing integration enabling Microsoft Teams as your organization's primary phone system.

SIP Trunking

Replace expensive analog lines with SIP trunks — designed to lower per-line costs meaningfully.

Call Center Features

Queue management, supervisor dashboards, call recording, and analytics for contact center environments.

On-Premises PBX

Enterprise on-premises systems for organizations requiring local call processing and HIPAA-ready voice.

Why Illinois Organizations Switch to VoIP

  • Reduce telephony costs versus traditional phone systems
  • Mobile integration — make and receive business calls on personal devices
  • Voicemail-to-email, call recording, and auto-attendant included
  • Microsoft Teams Direct Routing — Teams as your phone system
  • Scale users up or down with no hardware changes
  • HIPAA-ready options for healthcare environments

Key Benefits

Lower Telephony Costs

Replace expensive analog lines and legacy PBX maintenance contracts.

True Unified Communications

Voice, video, messaging, and presence in one platform on any device.

Teams Voice Integration

Use Microsoft Teams as your complete phone system with Direct Routing.

Modern unified communications scene showing a professional on a video conference call with a desk VoIP phone, laptop, and remote colleagues on screen

Related Case Studies

Legacy PBX Migration — Distributed Team

Illinois Professional Services Firm

Migrated a distributed team from aging on-premises PBX to cloud VoIP under one managed agreement — remote workers use the full phone system from home.

Healthcare HIPAA-Ready VoIP

Illinois Medical Practice

Deployed HIPAA-ready cloud PBX with encrypted call recording, replacing legacy analog lines under one managed agreement. Staff communication improved through unified messaging.

UniFi360 Stack Builder

Free

Interactive 9-step tool — design a full UniFi stack with WiFi, cameras, access control, phones & signage. Get ROI estimates instantly, no sales call required.

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Launch Builder

Ready to bring VoIP & Unified Communications for Illinois Businesses to your facility?

Our engineers respond within one business day with a custom scope — no obligation.

Call 847-443-9900 · 1171 Tower Road, Schaumburg, IL 60173 · Request consult

Frequently Asked Questions

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Let's Build Something That Works.

Tell us about your facility and we'll design a technology solution — and a managed service — that fits your environment, your budget, and your timeline.

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  • Fixed-price proposals
  • No commitment required
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Uptime SLA

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Critical Response

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Integrated voice, video, and messaging over IP — cutting telephony costs while keeping your entire organization connected on any device.

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