Buyer's guide
Best Business Phone Systems
Cloud phone systems for teams of 1 to 50, ranked on what a team that records calls, uses an IVR and logs calls to a CRM actually pays.
See each review for its verification date
For most small teams in the US and Canada, Dialpad Pro is the best place to start: at $25 per user a month billed annually it includes unlimited calling, call recording, a multi-level auto attendant, hold queues, AI call transcripts and summaries, and HubSpot and Salesforce integrations. Quo is the cheaper pick if texting matters as much as calling, and RingCentral if you also want video meetings in the same plan. This guide is for founders, sales teams and support leads choosing a phone system for 1 to 50 users. We ranked tools on five stated criteria: (1) the per-user price of the cheapest plan that includes call recording, an IVR or auto attendant, and a HubSpot or Salesforce integration; (2) whether calling to the US and Canada is unlimited or bundled; (3) whether call queues are included on that plan; (4) AI transcription and summaries on that plan; and (5) trial, commitment and support terms. Price carries the most weight, but a plan a few dollars cheaper that lacks queues or has unpublished add-on costs ranks below one that includes them, which is why Dialpad edges out Quo. Every price and plan was checked on each vendor's own site on October 10, 2026, using US pricing. This is research, not hands-on testing, and BestStacked earns affiliate commissions from CallHippo and KrispCall. That played no part in the order: both rank lower here because of the criteria above.
The ranking
Top Best Business Phone Systems — Ranked
Rank reflects fit for this use case. Scores come from each tool's full BestStacked review; tools we haven't reviewed aren't scored.
| Rank | Tool | Category | Starting Price | Best For | BestStacked Score | |
|---|---|---|---|---|---|---|
| #1 | Dialpad | Cloud phone system with built-in AI | Standard $15/user/mo (annual) or $27 monthly; Pro $25 or $35 | Small teams that want AI transcripts, queues and CRM links in one plan | Not yet reviewed | Visit Site |
| #2 | Quo (formerly OpenPhone) | Phone and texting for small teams | Starter $15/user/mo (annual) or $19 monthly; Business $23 or $33 | Small teams that text customers as much as they call | Not yet reviewed | Visit Site |
| #3 | RingCentral RingEX | Phone, video meetings and messaging | Core $20/user/mo (annual) or $30 monthly; Advanced $25 or $35 | Teams that want phone and video meetings from one vendor | Not yet reviewed | Visit Site |
| #4 | Aircall | Phone system for sales and support teams | Essentials $30/license/mo (annual) or $40 monthly, 3-license minimum | Support and sales teams that need queues from day one | Not yet reviewed | Visit Site |
| #5 |  CallHippo | Low-cost virtual phone system | Starter $19/user/mo billed yearly ($25 monthly) | Budget teams that mostly call the US and Canada | Visit SiteRead Review | |
| #6 | Nextiva | Business phone with 24/7 support | Core $15/user/mo (12-month term) or $23 monthly; Engage $25 or $50 | Teams that want 24/7 phone, chat and email support on every plan | Not yet reviewed | Visit Site |
| #7 |  KrispCall | Budget phone system with bundled minutes | Starter $12/user/mo billed yearly ($15 monthly) | Solo operators who want the cheapest business line with an IVR | Visit SiteRead Review |
Dialpad
Cloud phone system with built-in AI · Standard $15/user/mo (annual) or $27 monthly; Pro $25 or $35
Dialpad Pro ($25 per user a month billed annually, $35 monthly, 3-seat minimum) is the cheapest plan here that covers every criterion: unlimited calling within your country, the US and Canada, call recording, a multi-level auto attendant, hold queues, and Salesforce, HubSpot, Microsoft Teams and Zapier integrations. Real-time transcripts and AI call summaries are on every tier, including Standard ($15), which lacks CRM integrations and queues. The 14-day trial asks for a payment method. Dialpad's pages disagree on Pro phone support (24/5 vs 24/7) and on Enterprise uptime (99.9% vs 100%).
Quo (formerly OpenPhone)
Phone and texting for small teams · Starter $15/user/mo (annual) or $19 monthly; Business $23 or $33
Quo includes unlimited US and Canada calling and texting on every plan, subject to its fair usage policy and carrier registration fees. Business ($23 billed annually, $33 monthly) adds phone menus, automatic call recording, AI summaries of all calls, and HubSpot, Salesforce, Pipedrive and other CRM integrations. Quo's pricing page doesn't list a call queue feature, which is why it ranks below Dialpad. Its Sona AI agent is included with 1,000 automation credits a month (about 10 calls). The trial is 7 days.
RingCentral RingEX
Phone, video meetings and messaging · Core $20/user/mo (annual) or $30 monthly; Advanced $25 or $35
RingEX Core includes unlimited US and Canada calling, on-demand call recording, video meetings for up to 300 people and AI meeting and call features; CRM integrations start on Advanced ($25 billed annually, $35 monthly). Call queues beyond the basics are a $35 Call Queues Booster or part of a quoted AI bundle, and RingCentral doesn't state which tiers include the auto attendant. Technical phone support is listed as 24/7. The 14-day trial is for new subscribers, and RingCentral's pages disagree on its size (5 users vs 20 phone lines).
Aircall
Phone system for sales and support teams · Essentials $30/license/mo (annual) or $40 monthly, 3-license minimum
Aircall's Essentials plan includes unlimited US and Canada calls, recording, IVR, call queues, ring groups and HubSpot, Pipedrive, Zendesk and Slack integrations, but it costs more per seat and needs at least 3 licenses. Salesforce, AI call summaries, the power dialer and coaching need Professional ($50 annual, $70 monthly), or summaries via an add-on. Each extra number is $6 a month. Aircall offers a 7-day free trial with limits on minutes and SMS.
CallHippo
Low-cost virtual phone system · Starter $19/user/mo billed yearly ($25 monthly)
CallHippo Professional ($30 billed yearly, $40 monthly) adds call recording, multilingual IVR, transcription and HubSpot, Salesforce, Pipedrive and Zoho to unlimited minutes to standard US and Canada numbers, described as a shared team pool for manual dialing. Call queues need its separate Pro Suite plans (Silver, $42), and call summaries need Ultimate ($42). It has a 10-day trial with no card, but its terms say subscription charges are non-refundable, and its own pages quote different prices.
Nextiva
Business phone with 24/7 support · Core $15/user/mo (12-month term) or $23 monthly; Engage $25 or $50
Nextiva includes unlimited calls in the US, Canada and Puerto Rico and 24/7 phone, chat and email support on every plan. Engage adds call recording and 500 texts per user, and auto attendants are on every plan. It ranks lower because its annual prices require a 12-month term (Engage is $50 month to month), Salesforce and HubSpot integrations are a paid add-on on every small-business plan with no published price, queues need an add-on or Scale ($75), and Nextiva says it doesn't offer a free trial.
KrispCall
Budget phone system with bundled minutes · Starter $12/user/mo billed yearly ($15 monthly)
KrispCall's $12 Starter plan is the cheapest entry here and includes multi-level IVR, call listen, whisper and barge, and HubSpot, but no call recording. Recording needs Advance ($32 billed annually, $40 monthly), which bundles 1,000 minutes each way per user rather than unlimited calling. Call queues, desktop apps and API access are listed as coming soon, and there's no free trial, only a 14-day refund window with exclusions.
Our top picks
Featured Picks
Dialpad
Dialpad Pro ($25 per user a month billed annually, $35 monthly, 3-seat minimum) is the cheapest plan here that covers every criterion: unlimited calling within your country, the US and Canada, call recording, a multi-level auto attendant, hold queues, and Salesforce, HubSpot, Microsoft Teams and Zapier integrations. Real-time transcripts and AI call summaries are on every tier, including Standard ($15), which lacks CRM integrations and queues. The 14-day trial asks for a payment method. Dialpad's pages disagree on Pro phone support (24/5 vs 24/7) and on Enterprise uptime (99.9% vs 100%).
Quo (formerly OpenPhone)
Quo includes unlimited US and Canada calling and texting on every plan, subject to its fair usage policy and carrier registration fees. Business ($23 billed annually, $33 monthly) adds phone menus, automatic call recording, AI summaries of all calls, and HubSpot, Salesforce, Pipedrive and other CRM integrations. Quo's pricing page doesn't list a call queue feature, which is why it ranks below Dialpad. Its Sona AI agent is included with 1,000 automation credits a month (about 10 calls). The trial is 7 days.
RingCentral RingEX
RingEX Core includes unlimited US and Canada calling, on-demand call recording, video meetings for up to 300 people and AI meeting and call features; CRM integrations start on Advanced ($25 billed annually, $35 monthly). Call queues beyond the basics are a $35 Call Queues Booster or part of a quoted AI bundle, and RingCentral doesn't state which tiers include the auto attendant. Technical phone support is listed as 24/7. The 14-day trial is for new subscribers, and RingCentral's pages disagree on its size (5 users vs 20 phone lines).
Buying guide
How to Choose the Right Tool
Price the plan with the features you need, not the entry plan. Call recording, IVR menus, queues and CRM integrations usually sit one tier above the headline price, as with Dialpad Pro, Quo Business, RingCentral Advanced and CallHippo Professional.
Read what "unlimited" means. Most plans cover only the US and Canada, exclude toll-free and international numbers, and set fair-use rules; some, like KrispCall, bundle minutes instead.
Count the extras. Additional numbers ($4.99 to $8 a month), toll-free numbers, business texting registration, AI receptionist add-ons and per-minute international rates all sit outside the seat price.
Check minimums and commitments. Aircall needs 3 licenses and Dialpad Pro 3 seats; Nextiva's lower prices require a 12-month term; CallHippo's and KrispCall's terms limit refunds.
Try it before you port your number. Dialpad, RingCentral, Aircall, Quo and CallHippo offer trials; Nextiva and KrispCall don't. Porting takes days to weeks, so test call quality and your CRM integration first.
Methodology
How We Evaluate Tools
Editorial Research
Tools are compared on documented features, pricing, and fit. Each review notes its own verification date.
Ease of Use
We evaluate setup time, learning curve, and daily usability from a founder's perspective.
Pricing Transparency
We break down real costs including hidden fees, usage limits, and upgrade triggers.
Integrations & Ecosystem
We check how each tool fits into existing workflows and what it connects with natively.
Questions
Frequently Asked Questions
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