The Best VoIP Software in 2026
We researched VoIP software using vendors’ official websites, including pricing pages, plan tables, and product documentation. Rankings focus on the category’s core job—business internet calling—as well as value for money and verified features. Compare options for team calling, phone numbers, and call handling to find the right fit for your organization.
Our top picks
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Top ranked
Zoom Phone#1 of 299.3/10A paid cloud phone system with business calling plans from $10 per user monthly.
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Runner-up
3CX#2 of 299.2/10A flexible IP phone system with visual call routing, messaging, and a free tier.
Free plan
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Top-ranked free plan
Freshcaller#6 of 298.7/10A free-to-start cloud phone system with routing and contact-center features across paid tiers.
Free plan · 14-day trial
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 29 tools, best first
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Best forBusinesses needing flexible cloud phone plans
A paid cloud phone system with business calling plans from $10 per user monthly.
9.3/10★★★★★Visit Zoom Phone -
Best forTeams wanting flexible PBX deployment
A flexible IP phone system with visual call routing, messaging, and a free tier.
9.2/10★★★★★Visit 3CX -
Best forBusinesses needing broad unified communications
A broad unified communications suite with cloud PBX, conferencing, messaging, and desk-phone support.
- Local phone numbers
- Toll-free numbers
- Desk phone support
9.1/10★★★★★Try AT&T Office@Hand -
Best forTeams wanting calling plus business integrations
A broad business phone system with calling, messaging, and tiered contact-center features.
8.9/10★★★★☆Visit Nextiva -
Best forTeams needing configurable cloud calling
Configurable cloud calling with collaboration and contact-center options across four plans.
8.8/10★★★★☆Visit GoTo Connect -
Best forTeams wanting a free entry point and call-center basics
A free-to-start cloud phone system with routing and contact-center features across paid tiers.
8.7/10★★★★☆Visit Freshcaller -
Best forTeams combining business calling and collaboration
Business calling and collaboration in one suite, with features split across three plans.
8.6/10★★★★☆Visit Vonage -
Best forOrganizations needing cloud or self-hosted PBX
Switchvox combines PBX, messaging and contact-center tools for organizations managing their phone system.
- Call recording
8.5/10★★★★☆Visit Sangoma -
Best forTeams wanting cloud PBX with broad admin controls
A cloud-hosted business phone system with broad call controls, integrations, and AI features.
8.4/10★★★★☆Visit Yeastar -
Best forTeams needing cloud or self-hosted PBX and routing
Flexible PBX and collaboration tiers, but pricing requires a sales conversation.
8.3/10★★★★☆Visit Wildix -
Best forSmall businesses needing receptionist tools and phone apps
A small-business phone system with receptionist tools, call routing, and apps.
8.1/10★★★★☆Visit Ooma Office -
Best forTeams needing calling, routing, and campaign tools
Ringover pairs business calling with routing, AI call summaries, and sales dialer tools.
8.0/10★★★★☆Visit Ringover -
Best forEnterprises prioritizing dedicated cloud and sovereignty
Dedicated cloud communications for enterprises with sovereignty and routing priorities.
7.9/10★★★★☆Visit Mitel -
Best forTeams mainly needing meetings and collaboration
A collaboration-focused Webex app with telephony available on Webex Suite.
7.9/10★★★★☆Visit Webex -
Best forLarge contact centers running voice and digital channels
Broad contact center capabilities, with annual plans starting at $75 per user per month.
7.9/10★★★★☆Visit Genesys -
Best forGoogle Workspace teams needing simple business calling
A straightforward business calling option for teams already using Google Workspace.
7.9/10★★★★☆Visit Google Voice -
Best forTeams seeking free PBX features and broad app coverage
A free cloud PBX option with multilevel call handling and apps across desktop and mobile.
7.9/10★★★★☆Visit Zadarma -
Best forSmall teams seeking affordable calling and 24/7 support
A flexible business phone system with clear annual tiers and broad routing features.
7.8/10★★★★☆Visit CallHippo -
Best forSmall teams needing shared numbers and integrations
A shared business phone system with routing, messaging, AI tools, and CRM integrations.
7.7/10★★★★☆Visit Quo -
Best forSmall teams managing calls across multiple numbers
A multi-number business phone system with a low annual-billed entry tier and clear usage caveats.
7.6/10★★★★☆Visit KrispCall -
Best forSales and support teams needing connected calling
Connected business calling with routing and CRM links, starting at $30 per user monthly.
7.5/10★★★★☆Visit Aircall -
Best forSolo operators needing a separate business number
Grasshopper gives solo operators a dedicated business number and core call-management tools.
7.3/10★★★★☆Visit Grasshopper -
Best forTechnical teams wanting an open-source, self-hosted PBX
A free, self-hosted PBX foundation with advanced call handling and paid module bundles.
7.2/10★★★★☆Visit FreePBX -
Best forSales teams focused on outbound dialing
A sales-focused dialer with multiple dialing modes, voicemail automation, and CRM activity sync.
6.9/10★★★☆☆Visit JustCall -
Best forTeams automating inbound and outbound AI calls
Automates business calls and workflows, with plans for inbound coverage or outbound work.
- Call recording
6.8/10★★★☆☆Visit CloudTalk -
Best forEnterprise contact centers needing workforce tools
A workforce-focused contact center suite with entry plans from $85 per user monthly.
6.7/10★★★☆☆Visit Talkdesk -
Best forTeams needing meetings rather than business phone service
A conferencing-focused option with free meetings, AI notes, and large-event capacity.
6.6/10★★★☆☆Visit Dialpad -
Best forContact centers needing workforce scheduling tools
A workforce-planning add-on for contact centers, not a VoIP calling tool.
6.3/10★★★☆☆Contact Five9 -
Best forIndividuals calling friends and family abroad
A personal calling service for reaching mobile and landline numbers abroad.
- Mobile apps
6.2/10★★★☆☆Visit Rebtel
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 1 | Zoom Phone | No | $10/user/mo | 9.3 |
| 2 | 3CX | Yes | $300/yr | 9.2 |
| 3 | AT&T Office@Hand | No | $25/user/mo | 9.1 |
| 4 | Nextiva | $15/user/mo | 8.9 | |
| 5 | GoTo Connect | No | 8.8 | |
| 6 | Freshcaller | Yes | $15/user/mo | 8.7 |
| 7 | Vonage Business Communications | No | 8.6 | |
| 8 | Switchvox | No | 8.5 | |
| 9 | Yeastar P-Series Cloud Edition | No | 8.4 | |
| 10 | Wildix | No | 8.3 | |
| 11 | Ooma Office | No | 8.1 | |
| 12 | Ringover | No | $15/user/mo | 8.0 |
| 13 | Mitel Secure Cloud | 7.9 | ||
| 14 | Webex App | Yes | 7.9 | |
| 15 | Genesys Cloud CX | No | $75/user/mo | 7.9 |
| 16 | Google Voice for business | No | $10/user/mo | 7.9 |
| 17 | Zadarma | Yes | $39/mo | 7.9 |
| 18 | CallHippo | No | $18/user/mo | 7.8 |
| 19 | Quo | No | $15/user/mo | 7.7 |
| 20 | KrispCall | No | $12/user/mo | 7.6 |
| 21 | Aircall | No | $30/user/mo | 7.5 |
| 22 | Grasshopper | No | $14/mo | 7.3 |
| 23 | FreePBX | Yes | 7.2 | |
| 24 | JustCall Sales Dialer | No | $29/user/mo | 6.9 |
| 25 | CloudTalk AI Voice Agent | No | $99/mo | 6.8 |
| 26 | Talkdesk CX Cloud | No | $85/user/mo | 6.7 |
| 27 | Dialpad Meetings | Yes | 6.6 | |
| 28 | Five9 Workforce Management | No | 6.3 | |
| 29 | Rebtel | No | 6.2 |
Head-to-head All 13 comparisons →
- Zoom Phone vs AT&T Office@Hand
- Zoom Phone vs Freshcaller
- 3CX vs AT&T Office@Hand
- 3CX vs Freshcaller
- AT&T Office@Hand vs Nextiva
- AT&T Office@Hand vs GoTo Connect
- AT&T Office@Hand vs Freshcaller
- AT&T Office@Hand vs Vonage Business Communications
- AT&T Office@Hand vs Switchvox
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How we rank voip software
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update