What is the best phone system for a small business?
There is no single winner, so here is the short answer by situation — then the evidence underneath it.
- Best value for a solo owner: eTollFree Call Forwarding, $6.95/mo. A professional business number that rings the phone you already carry, with the auto attendant and voicemail included rather than gated.
- Best all-rounder for a small team: eTollFree eBizLine Lite, $14/user/mo — unlimited calling, a number per person, apps on desktop and mobile, at roughly half the market rate.
- Best if you want the biggest ecosystem: RingCentral, from ~$20/user/mo, if you need deep integrations and can live with annual billing.
- Best for AI-heavy sales teams: Dialpad, from ~$15/user/mo, for its transcription and coaching tools.
- Best bare-bones cheap start: Google Voice, from ~$10/user/mo — but team tiers need a paid Workspace licence from ~$7/user/mo on top.
- Best for a single number with extensions: Grasshopper, from ~$14/mo, though unlimited extensions means the ~$55 tier.
The systems below all make calls reliably. What separates them is what you pay to get the features you assumed were standard — and that is where most small businesses overspend.
Business phone systems compared at a glance
Published starting prices, checked August 2026. Advertised rates usually assume annual billing; paying monthly is typically 20–30% higher.
| System | Starts at | Standout | Watch out for |
|---|---|---|---|
| eTollFree | $6.95/mo per number $14/user/mo unlimited |
All 100+ features on every plan; month-to-month; $0 setup | Not built for 500-seat enterprises |
| Zoom Phone | ~$10/user/mo metered ~$15 unlimited |
Familiar if you already run Zoom meetings | Metered plan bills minutes on top of the seat |
| Google Voice | ~$10/user/mo | Simple, cheap for one person | Team tiers require Workspace from ~$7/user/mo; thin call features |
| Grasshopper | ~$14/mo | One number, several extensions, no hardware | 1 extension at entry; ~$25 and ~$55 tiers to unlock more |
| Dialpad | ~$15/user/mo | Best-in-class AI transcription and coaching | Annual billing; AI receptionist billed separately, sales-led |
| Ooma Office | ~$19.95/user/mo | No contract, easy setup, good hardware options | Recording and CRM integration sit in higher tiers |
| RingCentral | ~$20/user/mo | Deepest integration catalogue, mature platform | Annual billing for the headline price; AI receptionist ~$39/mo extra |
| Nextiva | ~$20/user/mo | Strong support reputation, all-in-one CX tools | Entry pricing shifts with seat count and contract term |
| 8x8 | Quote only (~$24/user/mo reported) | Global calling, enterprise contact-centre depth | No public price list; top tiers reported past $100/user/mo |
Line the left column up against the right one and the pattern is obvious: the platforms cluster at $15–$25 per user per month, and the interesting differences are in the "watch out" column, not the price column.
How to choose the right business phone system
Five questions, in the order that actually saves money:
- Do you need seats, or just a number? If one main number ringing everyone works, a per-number plan at $6.95/mo beats four seats at $20 — that is $80/mo versus $6.95 for the same phone answering.
- Which features are in the tier you are quoted? Call recording, IVR, auto attendant and a second extension are the usual tier-jump triggers. Get it in writing.
- Monthly or annual? The headline price nearly always assumes 12 months prepaid. Ask for the month-to-month rate and compare that.
- What happens to your existing number? Porting should be free and your old line should keep working until it completes.
- What is the exit? Contract length, early-termination fee, and whether they will port your number out without a fight.
The systems, one by one
eTollFree — from $6.95/mo
Three plans, everything included on all of them: $6.95/mo per number (100 minutes, then 5.9¢/min), $14/user/mo for unlimited calling with apps and per-user numbers, and $24.95/user/mo adding workflow automation, lead management and Microsoft Teams. All month-to-month, $0 setup, free porting, and an AI receptionist available on every plan at 10–15¢ a minute rather than a subscription. Best for small businesses who want the features without the tier games; not the right pick if you need a 500-seat global contact centre.
RingCentral — from ~$20/user/mo
The mature, safe enterprise choice with the deepest integration catalogue. Worth it if your business runs on tools that need first-class phone integration. Two caveats: the advertised rate generally assumes annual billing, and the AI receptionist is a separate add-on from about $39/mo on top of the seat.
Nextiva — from ~$20/user/mo
Consistently well reviewed for support, with customer-experience tools bundled beyond voice. Entry pricing varies by seat count and term more than most, so get a written quote for your headcount rather than trusting the site's starting figure.
Ooma Office — from ~$19.95/user/mo
One of the friendliest to set up, with no contract and solid desk-phone options — a good fit for a shop or clinic that wants physical handsets. Call recording and CRM integrations live in the higher tiers, so price the tier you will actually need.
Dialpad — from ~$15/user/mo
The best AI in the category for live transcription, real-time coaching and post-call summaries. Attractive for sales teams. The entry price assumes annual billing, and the AI receptionist capability is billed separately on a credit model through sales.
Zoom Phone — from ~$10/user/mo
Cheap to start and familiar if your team already lives in Zoom. The ~$10 plan is metered, meaning minutes bill on top of the seat; the unlimited plan is around $15/user/mo. Fine as a phone system, thinner than the specialists on call handling.
Google Voice — from ~$10/user/mo
Genuinely inexpensive for one person and dead simple. For teams the real cost is higher, because multi-user tiers require a paid Workspace licence from about $7/user/mo — call it $17–$37/user/mo all in. Call features are basic, and support is Google-style. Many businesses outgrow it; we wrote up what changes on our Google Voice alternative page.
Grasshopper — from ~$14/mo
Sold as a virtual phone system rather than a full platform: one number with extensions, no hardware, works off your existing phone. The ~$14 entry covers one user, one number and one extension; unlimited users is around $25, unlimited extensions around $55. Compare that ladder against a flat $6.95 per number before deciding.
8x8 — quote only
Serious global and contact-centre capability, reportedly from around $24/user/mo with top tiers past $100. There is no public price list, which tells you the target customer is not a five-person business.
What should a small business phone system cost?
The market runs $15–$50 per user per month, most small teams land at $20–$35, and a traditional landline is roughly $50–$100 per line. Ours are $6.95, $14 and $24.95.
Multiply before you choose. Five people for a year:
| Plan | 5 users / month | 5 users / year |
|---|---|---|
| eTollFree eBizLine Lite ($14) | $70 | $840 |
| eTollFree Business Phone Basic ($24.95) | $124.75 | $1,497 |
| Typical platform entry (~$20) | $100 | $1,200 |
| Typical mid tier (~$35) | $175 | $2,100 |
| Traditional landline (~$75/line) | $375 | $4,500 |
Every fee that can land on a bill — USF, taxes, porting, overage, e911, hardware — is itemised on our business phone service pricing page.
Do you need a full phone system, or just call forwarding?
An honest fork that saves plenty of businesses $20 a month:
- Call forwarding is enough when one number should reach you (or ring a couple of phones), you do not need per-person extensions, and your call volume is modest. $6.95/mo.
- You need a phone system when people need their own extensions and direct numbers, calls should route by department, you want desktop and mobile apps with shared history, or you need call queues and reporting. $14/user/mo and up.
Start on the smaller one if you are unsure. Moving up later takes minutes and no new hardware; overbuying costs you every month until you notice.
Which features actually matter?
Feature lists are padded on purpose. These are the ones small businesses genuinely use every week:
- Auto attendant — answers instantly and routes, so nobody hears endless ringing.
- Mobile app — business calls on your phone without handing out your personal number.
- Voicemail to email or text — because nobody dials in to check voicemail any more.
- Call recording — training, disputes, and remembering what was agreed.
- SMS on your business number — increasingly how customers prefer to reply.
- Call routing rules — after-hours, holidays, and overflow to a mobile.
- AI answering — for the calls that arrive while you are busy or asleep.
Everything else is a nice-to-have. If a tier upgrade is justified purely by features outside that list, it probably is not justified.
Switching without downtime
Three facts that remove most of the fear: your old service stays live until the port completes, so there is no gap; porting to us costs $0 (budget $15–$40 per number elsewhere); and a new number is usually active within minutes if you want to start alongside your existing line before committing.
The real switching cost is almost always your current contract's early-termination fee — check that first, and time the move for renewal if there is one.
Best business phone system by business type
Solo owner or freelancer
$6.95/mo call forwarding. A professional number, an auto attendant so you sound established, and no second device to carry.
2–10 person team
$14/user/mo. Everyone gets their own number and app, calls route sensibly, and the bill for five people is $70/mo rather than $100–$175.
Sales team
$24.95/user/mo for workflow automation, lead management and Teams — or Dialpad from ~$15/user/mo if live AI coaching is the priority.
Medical or dental practice
$14–$24.95/user/mo plus an AI receptionist at 10–13¢/min for overflow and after-hours, with HIPAA-capable handling. A practice at 300 calls a month runs about $131/mo all in.
Multi-location business
Per-user plans across all sites with routing by location. Compare against 8x8 or RingCentral if you need heavy contact-centre reporting.
Questions to ask before you sign
- Is that price per user or per number, monthly or annual-prepaid?
- What is the setup fee per line? (Ours: $0.)
- Are recording, IVR and the auto attendant on this tier? (Ours: on all three.)
- What do taxes and fees add? (Ours: $2.25 USF plus about 8.25%.)
- What does porting cost, in and out? (Ours: $0 both ways.)
- Contract length and early-termination fee? (Ours: none, and $0.)
- What does AI or after-hours answering add? (Ours: 10–15¢/min, no subscription.)
The short version
Most small business phone systems cost $15–$50 per user per month and do broadly the same job; the spread is about which tier hides which feature and whether you prepaid a year to get the headline rate. RingCentral, Nextiva and Ooma are solid at ~$20/user/mo. Dialpad and Zoom start lower at ~$15. Google Voice and Grasshopper suit one-person setups.
Our answer is one price for everything: $6.95/mo for a professional business line, $14/user/mo for unlimited calling with apps and extensions, $24.95/user/mo with automation — 100+ features on all three, no contract, no setup fee, free porting, and an AI receptionist at 10–15¢ a minute whenever you want the phone answered while you work.
Related reading
- Business phone service pricing — every rate and fee itemised.
- What is a PBX? — what the system behind the phones actually does.
- Is VoIP reliable and secure? — the objections answered honestly.
- AI receptionist pricing — answering the calls you cannot get to.
