Best Business Phone Systems in 2026
Updated
In short: Microsoft Teams is ranked #1 of 174 as of 4 October 2026, ahead of 3CX and Nextiva. The best-ranked option with a free plan is 3CX. The lowest first paid tier on this page is Microsoft Teams at $0.33/mo.
A business phone system can shape how customers reach a team and how staff handle calls across devices. The ranking opens with 3CX, Microsoft Teams, and FreePBX, followed by OnSIP and Nextiva. Compare call routing and auto attendant features with the available business numbers and voicemail transcription. Desktop and mobile apps matter when people need to handle calls from different devices; included users can help you gauge team fit. Check free-plan availability and the paid starting price as well. Taken together, these criteria offer practical ways to assess how each system could support your organization’s calling setup.
174 business phone systems ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Microsoft Teams Top pick · 9.7 Free plan · $0.33/mo
#2 3CX Runner-up · 9.3 Free plan · $25/mo
#3 Nextiva Also great · 8.7 $15/mo- Free plan AndroidiOSLinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- Free
- Included users
- 300 users
- Call routing
- Advanced call handling and connectivity with a PSTN solution
RecognisedDocumentedFree planPlatforms$0.33/mofirst paid tier About Microsoft TeamsVisit site - Free plan WebWindowsLinuxiOSAndroidmacOS
- Free plan
- Yes
- Included users
- 40 users
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms$25/mofirst paid tier About 3CXVisit site - AndroidextensioniOSLinuxmacOSWebWindows
- Paid from
- $15/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$15/mofirst paid tier About NextivaVisit site - Free plan WebWindowsmacOSiOSAndroid
- Free plan
- Yes
- Included users
- 10 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$44/mofirst paid tier About ZadarmaVisit site - Free plan WebWindowsmacOSLinuxiOSAndroid
- Free plan
- Yes
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$100/mofirst paid tier About VitalPBXVisit site - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- No
- Business numbers
- mobile
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSLinuxiOSAndroid
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSiOSAndroidLinux
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms - Free planFree trial AndroidiOSWeb
- Free plan
- Yes
- Paid from
- $15/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms$15/mofirst paid tier About FreshcallerVisit site - Free plan AndroidiOSmacOSWebWindows
- Free plan
- Yes
- Paid from
- $18.95/user/mo
- Included users
- 5 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$18.95/mofirst paid tier About OnSIPVisit site - Free planFree trial AndroidextensioniOSmacOSWebWindows
- Free plan
- No
- Paid from
- $18/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms$18/mofirst paid tier About CallHippoVisit site - AndroidiOS
- Free plan
- No
- Paid from
- $19.99/user/mo
- Included users
- 20 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms€6.80/mofirst paid tier About NFON CloudyaVisit site - Free plan
- Free plan
- Yes
- Included users
- 3 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- No
- Included users
- 2 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms£12.95/mofirst paid tier About sipgateVisit site - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- No
- Paid from
- $15/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$15/mofirst paid tier About RingoverVisit site - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Paid from
- $15/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About QuoVisit site - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Included users
- 32 users
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms - WebLinuxiOSAndroid
- Free plan
- Yes
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms - Free plan WebWindowsmacOSiOSAndroid
- Free plan
- Yes
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms€1.20/mofirst paid tier About VoxbiVisit site - WebWindowsmacOSiOSAndroid
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms - WebWindowsmacOSiOSAndroid
- Free plan
- No
- Paid from
- $30/user/mo
- Included users
- 3 users
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$30/mofirst paid tier About AircallVisit site - AndroidapiiOSmacOSself-hostedWebWindows
- Business numbers
- toll-free
- Auto attendant
- Yes
- Call routing
- advanced
RecognisedDocumentedFree planPlatforms$1.66/mofirst paid tier About Sangoma PBXactVisit site -
- Free plan
- No
- Paid from
- $10/user/mo
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
RecognisedDocumentedFree planPlatforms$10/mofirst paid tier About Zoom PhoneVisit site
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which business phone system is ranked first on Everything Xiaomi?
Microsoft Teams is ranked #1 of 174 with a score of 9.7. 3CX is second and Nextiva third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Microsoft Teams has the lowest first paid tier we found: $0.33/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.