Best OPBX Alternatives in 2026
Updated
20 tools from business phone systems ranked against OPBX on the same published basis.
- 1OPBX vs Microsoft Teams
- 2OPBX vs Vodia PBX
- 3OPBX vs VitalPBX
- 4OPBX vs 3CX
- 5OPBX vs Talkroute
- 6OPBX vs Zoom Phone
- 7OPBX vs PortSIP PBX
- 8OPBX vs Dialpad Connect
- 9OPBX vs Yeastar P-Series Cloud Edition
- 10OPBX vs PBXware
- 11OPBX vs CallHippo
- 12OPBX vs Zoho Voice
- 13OPBX vs VoIPstudio
- 14OPBX vs AlwaysIP Cloud Phone System
- 15OPBX vs Freshcaller
- 16OPBX vs Thirdlane Business Communications Platform
- 17OPBX vs Placetel
- 18OPBX vs Voxbi
- 19OPBX vs Sonetel
- 20OPBX vs Nextiva
OPBX alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.4 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Vodia PBX | 9.0 | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 3 | VitalPBX | 9.0 | Free plan | $100/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 4 | 3CX | 8.9 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 5 | Talkroute | 8.9 | Android, iOS, Linux, Mac, Web, Windows | ||
| 6 | Zoom Phone | 8.8 | No | $1.33/mo | Android, iOS, Linux, Mac, Windows |
| 7 | PortSIP PBX | 8.8 | Free plan | Free | Android, API, iOS, Linux, self-hosted, Web, Windows |
| 8 | Dialpad Connect | 8.7 | No | Android, iOS, Mac, Web, Windows | |
| 9 | Yeastar P-Series Cloud Edition | 8.7 | Android, API, Browser, iOS, Mac, Web, Windows | ||
| 10 | PBXware | 8.7 | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 11 | CallHippo | 8.7 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 12 | Zoho Voice | 8.7 | Free plan | Android, Browser, iOS, Linux, Mac, Web, Windows | |
| 13 | VoIPstudio | 8.6 | No | $6/mo | Android, Browser, iOS, Linux, Mac, Windows |
| 14 | AlwaysIP Cloud Phone System | 8.6 | No | £11.99/mo | Android, Browser, iOS, Mac, Web, Windows |
| 15 | Freshcaller | 8.6 | Free plan | $15/mo | Android, iOS, Web |
| 16 | Thirdlane Business Communications Platform | 8.5 | Android, API, iOS, Mac, self-hosted, Web, Windows | ||
| 17 | Placetel | 8.5 | No | €690/mo | Android, API, iOS, Mac, Web, Windows |
| 18 | Voxbi | 8.5 | Free plan | €1.20/mo | Android, API, iOS, Mac, Web, Windows |
| 19 | Sonetel | 8.5 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 20 | Nextiva | 8.4 | No | $15/mo | Android, Browser, iOS, Linux, 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 9.4 out of 10. The others here: Vodia PBX, VitalPBX, 3CX and 16 more.
What is the best free alternative to OPBX?
Microsoft Teams is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.