Best Avaya Cloud Office Alternatives in 2026
Updated
20 apps from business phone systems ranked against Avaya Cloud Office on the same published basis.
- 1Avaya Cloud Office vs Microsoft Teams
- 2Avaya Cloud Office vs 3CX
- 3Avaya Cloud Office vs Nextiva
- 4Avaya Cloud Office vs Zadarma
- 5Avaya Cloud Office vs VitalPBX
- 6Avaya Cloud Office vs Wildix
- 7Avaya Cloud Office vs Vodia PBX
- 8Avaya Cloud Office vs PBXware
- 9Avaya Cloud Office vs Freshcaller
- 10Avaya Cloud Office vs OnSIP
- 11Avaya Cloud Office vs CallHippo
- 12Avaya Cloud Office vs RingCentral RingEX
- 13Avaya Cloud Office vs NFON Cloudya
- 14Avaya Cloud Office vs PortSIP PBX
- 15Avaya Cloud Office vs sipgate
- 16Avaya Cloud Office vs Ringover
- 17Avaya Cloud Office vs Yeastar P-Series Cloud Edition
- 18Avaya Cloud Office vs Quo
- 19Avaya Cloud Office vs Sonetel
- 20Avaya Cloud Office vs E-MetroTel UCX
Avaya Cloud Office alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 9.7 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | 3CX | 9.3 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 3 | Nextiva | 8.7 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 4 | Zadarma | 8.6 | Free plan | $44/mo | Web, Windows, Mac, iOS, Android |
| 5 | VitalPBX | 8.6 | Free plan | $100/mo | Web, Windows, Mac, Linux, iOS, Android |
| 6 | Wildix | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 7 | Vodia PBX | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 8 | PBXware | 8.5 | No | — | Web, Windows, Mac, iOS, Android, Linux |
| 9 | Freshcaller | 8.5 | Free plan | $15/mo | Android, iOS, Web |
| 10 | OnSIP | 8.5 | Free plan | $18.95/mo | Android, iOS, Mac, Web, Windows |
| 11 | CallHippo | 8.5 | Free plan | $18/mo | Android, Browser, iOS, Mac, Web, Windows |
| 12 | RingCentral RingEX | 8.3 | No | — | Android, iOS |
| 13 | NFON Cloudya | 8.3 | No | €6.80/mo | Web, Windows, Mac, iOS, Android |
| 14 | PortSIP PBX | 8.3 | Free plan | Free | — |
| 15 | sipgate | 8.3 | No | £12.95/mo | Web, Windows, Mac, Linux, iOS, Android |
| 16 | Ringover | 8.3 | No | $15/mo | Web, Windows, Mac, Linux, iOS, Android |
| 17 | Yeastar P-Series Cloud Edition | 8.1 | No | — | Web, Windows, Mac, iOS, Android |
| 18 | Quo | 8.1 | No | $19/mo | Web, Windows, Mac, iOS, Android |
| 19 | Sonetel | 8.1 | Free plan | $9.95/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 20 | E-MetroTel UCX | 8.0 | No | — | Web, Windows, Mac, iOS, Android |
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Questions about Avaya Cloud Office alternatives
What is the best alternative to Avaya Cloud Office?
Microsoft Teams, number 1 in business phone systems with a score of 9.7 out of 10. The others here: 3CX, Nextiva, Zadarma and 16 more.
What is the best free alternative to Avaya Cloud Office?
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: documentation depth, a free tier and the platforms it runs on.