Key Takeaways
- Most hosted VoIP plans typically run $20 to $45 per user per month for small and mid-size offices.
- Desk phones, setup and number porting are the one-time costs that surprise people.
- Taxes, 911 fees and Illinois surcharges can add several dollars per line each month.
- Paying for a cheap plan and then adding call recording and analytics often costs more than a mid-tier plan.
- A written quote should list every line item, including the ones you may never use.
If you are pricing VoIP services for a Chicago office, you have probably seen numbers that do not match. One vendor says $15 a line. Another says $40. Both can be telling the truth, because they are selling different things under the same name.
This guide breaks the bill into the pieces that matter: the monthly per-user fee, one-time setup, phones, internet, taxes and the add-ons that quietly change the total. All prices are typical ranges for small and mid-size offices, not quotes. Your final number depends on your headcount, features and building.
The goal is simple. By the end you should be able to read a proposal, spot what is missing and compare two vendors fairly. We start with the monthly fee, since that is the number everyone leads with.
What a VoIP Line Typically Costs Per Month
Most hosted VoIP providers price by user, not by physical line. In Chicago, small and mid-size offices typically pay between $20 and $45 per user per month. The low end usually means basic calling, voicemail and a mobile app. The high end adds call queues, call recording, analytics and CRM connections.
Annual contracts usually bring the per-user price down by 10 to 20 percent compared with month-to-month. That discount only helps if you are sure about your headcount. A 12-person office that shrinks to 8 is still paying for 12 on many contracts.
| Plan Level | Typical Price Per User | What You Usually Get |
|---|---|---|
| Basic | $20 to $26 | Calling, voicemail to email, mobile & desktop app, auto attendant |
| Standard | $27 to $35 | Basic plus video meetings, call queues, simple reporting |
| Advanced | $36 to $45 | Standard plus call recording, analytics, CRM links, higher limits |
Per-user pricing is the standard model, so a 12-person office pays for 12 licenses even when 3 people are out.
One-Time Costs: Setup, Porting & Hardware
The monthly fee is only part of year one. Setup, number porting and phones are the costs that show up on the first invoice, and they are where vendors differ the most.
- Setup & configuration: often $0 to $50 per user, or a flat project fee of a few hundred to a couple thousand dollars for larger offices.
- Number porting: usually free to $25 per number, though complex ports with many numbers can take longer.
- Desk phones: typically $80 to $250 each, depending on screen, headset support and conference models.
- Conference room phones: typically $250 to $700 per room.
- Headsets: $30 to $150 per person if staff take a lot of calls.
You can skip desk phones entirely and use the mobile or desktop app. Many Chicago offices do this for staff who work from home or commute on the Metra. Receptionists and shared spaces usually still want a real handset.
A reception desk phone typically costs $120 to $250, while an app-only user needs no hardware at all.
Taxes, Fees & Surcharges on the Bill
The advertised price rarely includes everything. Phone service carries federal, state and local taxes and fees, and Chicago and Illinois add their own on top. These usually add a few dollars per line each month, and they show up as separate line items that are easy to miss when comparing quotes.
Ask whether the quote is “all in” or “plus taxes and fees.” Providers that advertise a low base rate often make up the difference here, so two plans with the same headline price can differ by $4 to $8 per user once the bill arrives. Emergency calling (911) fees are normal and worth having. Vague “regulatory recovery” charges deserve a question.
Do not assume local rules are identical everywhere. A provider that serves Cook County, Evanston and the suburbs should be able to explain exactly how it bills your location.
A Worked Example for 10, 25 and 50 Users
Here is how the numbers add up for three typical Chicago offices. These are illustrative ranges using a Standard plan, not quotes. The real figure depends on features, phone choices and contract length.
| Office Size | Monthly Service | One-Time Costs | First-Year Total |
|---|---|---|---|
| 10 users | $270 to $350 | $800 to $2,200 | $4,000 to $6,400 |
| 25 users | $675 to $875 | $1,800 to $4,800 | $9,900 to $15,300 |
| 50 users | $1,350 to $1,750 | $3,500 to $9,000 | $19,700 to $30,000 |
Notice that one-time costs matter less as you grow, because setup is largely fixed. A 10-person office pays a bigger share of its year-one bill up front than a 50-person one. After the first year, you are mostly paying the monthly service and any new hires.
A 25-user office on a Standard plan typically lands between $9,900 and $15,300 in year one, setup included.
Your Internet Matters More Than Your Phone Plan
VoIP runs over your internet connection, so a weak connection ruins a good plan. Before you sign, check that your office has enough upload speed and a router that can prioritize voice traffic. In many Loop and River North buildings, the shared riser and wiring closet set the ceiling, not your plan.
If your network needs work, budget for it. A business-grade router, a managed switch or better Wi-Fi can add a few hundred to a few thousand dollars. It is not a VoIP cost in the strict sense, but a phone system on a shaky network gets blamed for every dropped call.
If you are also picking hardware and features, our guide to business phone systems covers what to compare beyond price.
Features That Raise or Lower the Price
Features that often cost extra
- Call recording & storage, often $5 to $15 per user per month
- Advanced analytics & reporting
- CRM & helpdesk integrations
- Extra phone numbers, toll-free numbers & international calling
- Larger call queues & contact center tools
Features that are usually included
- Voicemail to email
- Auto attendant
- Mobile & desktop apps
- Basic video meetings & messaging
- Local number porting
Pay for what you use. A dental office and a law firm both need reliable inbound calls, but only one may need recording. If your staff already live in Microsoft 365, you may be able to use your existing licenses; see how a Teams phone system changes the math.
Call recording alone typically adds $5 to $15 per user per month on top of a base plan.
Five Pricing Mistakes to Avoid
- Comparing base price only. A $22 plan with $8 in fees and add-ons costs more than a $30 plan that is all in.
- Buying for headcount you do not have. Seasonal or part-time staff may not need their own license.
- Ignoring contract length. A three-year deal with an early-termination fee is hard to leave if service disappoints.
- Skipping the network check. Poor Wi-Fi and a weak router cause most call quality complaints.
- Forgetting the port date. If your old carrier cancels before numbers move, you can lose your main line.
None of these are hard to avoid. They just require asking for a written quote with every line item before you commit.
VoIP pricing is not complicated once the pieces are on the table. You have a monthly per-user fee, a handful of one-time costs, taxes and fees, and optional features. The risk is in what a proposal leaves out, not in the math itself.
A calm next step is to list how many people need a phone, which features you actually use and what your internet looks like today. Bring that to a free assessment, and you will get a written quote you can compare line by line.
FAQs
How much does VoIP cost per month for a small Chicago business?
Most small businesses typically pay $20 to $45 per user per month. A 10-person office usually lands between $270 and $450 a month for service, before taxes. Your price depends on the plan level, call volume features and whether you sign a monthly or annual contract.
Are VoIP phones included in the price?
Usually not. Desk phones typically cost $80 to $250 each and are bought separately or rented monthly. Many Chicago offices skip phones for most staff and use the mobile or desktop app, then buy handsets only for reception and shared spaces.
Is VoIP cheaper than a traditional phone line?
For most offices, yes. VoIP usually costs less per user, avoids per-line charges and lets remote staff use the same number. The savings shrink if your internet needs an upgrade, so include that cost when you compare.
What extra fees should I expect on a VoIP bill?
Expect taxes, 911 fees and regulatory charges, which typically add a few dollars per line each month. Add-ons like call recording, extra numbers and international calling cost more. Ask whether a quote is “all in” or “plus fees.”
Do I need to upgrade my internet for VoIP?
Often not by much, but you do need reliable upload speed and a router that handles voice traffic. Voice calls use little bandwidth. Problems usually come from weak Wi-Fi, shared building connections or an old router, not raw speed.
Can I keep my existing business phone number?
Yes, in most cases. Number porting moves your current numbers to the new provider and is usually free to $25 per number. Do not cancel the old service until the port is confirmed, or you risk losing the number.
Reid Callahan
Editorial Director, Ping Chicago
Reid leads the Ping Chicago editorial team and works with our technicians to turn real support tickets, office moves and security reviews into plain-English guides for Chicago business owners. Born and raised in Chicago, he has spent more than 15 years in IT services, starting on the help desk and later running support and network projects for law firms, medical practices and manufacturers from the Loop to the western suburbs. He holds Microsoft 365 and CompTIA Security+ certifications and has helped hundreds of local offices move to the cloud. Today he focuses on how AI tools like Microsoft Copilot can save small teams time without putting company data at risk, and every guide he writes is checked by a working technician before it goes live.