Best OPBX Alternatives in 2026
Updated
20 platforms from business phone systems ranked against OPBX on the same published basis.
- 1OPBX vs Microsoft Teams
- 2OPBX vs VitalPBX
- 3OPBX vs Talkroute
- 4OPBX vs 3CX
- 5OPBX vs Vodia PBX
- 6OPBX vs Freshcaller
- 7OPBX vs CallHippo
- 8OPBX vs PortSIP PBX
- 9OPBX vs Zoho Voice
- 10OPBX vs Zoom Phone
- 11OPBX vs Voxbi
- 12OPBX vs Dialpad Connect
- 13OPBX vs Voxcloud
- 14OPBX vs Sonetel
- 15OPBX vs Yeastar P-Series Cloud Edition
- 16OPBX vs VoIPstudio
- 17OPBX vs AlwaysIP Cloud Phone System
- 18OPBX vs Thirdlane Business Communications Platform
- 19OPBX vs Placetel
- 20OPBX vs OnSIP
OPBX alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.1 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | VitalPBX | 9.0 | Free plan | $100/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 3 | Talkroute | 8.9 | Android, iOS, Linux, Mac, Web, Windows | ||
| 4 | 3CX | 8.8 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 5 | Vodia PBX | 8.8 | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 6 | Freshcaller | 8.8 | Free plan | $15/mo | Android, iOS, Web |
| 7 | CallHippo | 8.8 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 8 | PortSIP PBX | 8.7 | Free plan | Free | Android, API, iOS, Linux, self-hosted, Web, Windows |
| 9 | Zoho Voice | 8.7 | Free plan | Android, Browser, iOS, Linux, Mac, Web, Windows | |
| 10 | Zoom Phone | 8.6 | No | $1.33/mo | Android, iOS, Linux, Mac, Windows |
| 11 | Voxbi | 8.6 | Free plan | €1.20/mo | Android, API, iOS, Mac, Web, Windows |
| 12 | Dialpad Connect | 8.5 | No | Android, iOS, Mac, Web, Windows | |
| 13 | Voxcloud | 8.5 | Free plan | $2/mo | Android, iOS, Windows |
| 14 | Sonetel | 8.5 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 15 | Yeastar P-Series Cloud Edition | 8.4 | Android, API, Browser, iOS, Mac, Web, Windows | ||
| 16 | VoIPstudio | 8.4 | No | $6/mo | Android, Browser, iOS, Linux, Mac, Windows |
| 17 | AlwaysIP Cloud Phone System | 8.4 | No | £11.99/mo | Android, Browser, iOS, Mac, Web, Windows |
| 18 | Thirdlane Business Communications Platform | 8.3 | Android, API, iOS, Mac, self-hosted, Web, Windows | ||
| 19 | Placetel | 8.3 | No | €690/mo | Android, API, iOS, Mac, Web, Windows |
| 20 | OnSIP | 8.3 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
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Questions about OPBX alternatives
What is the best alternative to OPBX?
Microsoft Teams, number 1 in business phone systems with a score of 9.1 out of 10. The others here: VitalPBX, Talkroute, 3CX and 16 more.
What is the best free alternative to OPBX?
Microsoft Teams is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.