Smarter business VoIP phone services for modern teams.
Fidium Business VoIP delivers clear, reliable internet-based phone service with all the features your business needs to stay connected.



Internet-based calling, built for business.
Fidium VoIP is ideal for businesses looking to upgrade from traditional phone lines without the complexity of a full UCaaS platform. Our hosted VoIP solution delivers high-quality voice calling with modern features like call forwarding, caller ID, voicemail, and more.
Easily manage calls from a desk phone, softphone or mobile device. With Fidium VoIP, your business stays professional and responsive while saving money on infrastructure and long-distance fees.
Business VoIP that works the way you do.

Clear Calling
High-quality voice over fiber-backed internet.
Smart Features
Caller ID, voicemail, call forwarding and more.
Flexible Access
Use desk phones or mobile devices, wherever you work.
Why choose VoIP from Fidium?
Affordable, modern business VoIP phone service backed by a reliable network.
Business VoIP solutions that perform.
Reliable, modern business voice—built on a resilient platform and trusted by thousands.
99.999%core network uptime
Powers our VoIP platform.
Thousandsof businesses
Already trust Fidium for VoIP and UCaaS.
30%savings
On average vs. legacy phone systems.
3xmore reliable
Than legacy lines when paired with fiber internet.
VoIP vs. UCaaS vs. traditional landlines (POTS):
Compare voice solutions and choose what’s best for your business.
| Feature | VoIP | UCaaS | POTS (Traditional Landline) |
| Calling Features | Voicemail, caller ID, auto-attendant, call forwarding | HD voice, voicemail-to-email, auto-attendant, call routing, conferencing | Basic voice calling only |
| Team Collaboration | Voice only | Voice, video conferencing, messaging, file sharing | Not supported |
| Mobility | Softphone or desk phone options across locations | Full mobility with apps, unified inbox, and team chat | Tied to physical phone line |
| Scalability | Easy to add/remove users | Highly scalable with centralized management tools | Requires technician visits and line provisioning |
| Equipment | Supports most IP phones; new hardware available if needed | Includes desktop/mobile app support; optional desk phones | Requires legacy phone hardware |
| Connectivity Needs | Requires internet (fiber recommended) | Requires high-speed internet (best with symmetrical, SLA-backed connectivity) | Operates over copper phone lines |
| Best For | SMBs needing reliable voice with modern features | Businesses needing voice + collaboration in one solution | Very small offices or those in areas with no internet access |
Who uses VoIP?
VoIP is a smart choice for businesses that want affordable, flexible and professional voice capabilities without the cost or complexity of traditional phone systems. Key industries include:
Getting started with Fidium Business VoIP service.
From quote to call, we make it easy.
Assess
We evaluate your voice and connectivity needs to recommend the right solution.
Install
Our experts complete a professional on-site install of your phones and services.
Activate
We port your numbers and activate your business VoIP phone service with minimal disruption.
Complete the conversation part of Fidium’s Voice & Collaboration Suite.
Pair VoIP with other Fidium solutions to build a powerful, reliable communications setup:
Have questions? We’ve got answers.
What’s included with Fidium Business VoIP phone service?
VoIP service includes calling, voicemail, call forwarding, caller ID, and optional features like auto-attendant and SIP trunking.
Can I keep my current phone number when I switch to FIdium Business VoIP?
Yes. Fidium lets you keep your current phone number when switching providers. Number porting is easy.
Does Fidium Business VoIP work with mobile or softphones?
Yes. We understand that flexibility is key when choosing a business phone service. Use desktop apps, mobile apps, or traditional VoIP desk phones.
What’s the difference between VoIP and UCaaS?
VoIP is voice-only. UCaaS adds messaging, video, meetings, and collaboration.
Do I need fiber internet for VoIP?
VoIP calling runs over the internet. Fiber internet is recommended for the best call quality and reliability.