Best Asterisk Alternatives in 2026
Updated
19 platforms from interactive voice response software ranked against Asterisk on the same published basis.
- 1Asterisk vs Voicent
- 2Asterisk vs FreeSWITCH
- 3Asterisk vs Telnyx Text-to-Speech API
- 4Asterisk vs Twilio Studio
- 6Asterisk vs NCH IVM Telephone Answering Attendant
- 7Asterisk vs Telnyx TeXML
- 8Asterisk vs Ozonetel IVR System
- 9Asterisk vs Plum Fuse
- 10Asterisk vs Zappix Visual IVR
- 11Asterisk vs Plum DEV
- 12Asterisk vs BizPlus IVR
- 13Asterisk vs Avaya Aura Private Cloud
- 14Asterisk vs 8x8 Intelligent IVR
- 15Asterisk vs Dialogic Digital IVR
- 16Asterisk vs Wazo Platform
- 17Asterisk vs AVOXI Flow Builder
- 18Asterisk vs FonaBot IVR Builder
- 19Asterisk vs Cloud IVR
- 20Asterisk vs SIP.IO
Asterisk alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Voicent | 7.8 | Free plan | $179/mo | API, self-hosted, Web, Windows |
| 2 | FreeSWITCH | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 3 | Telnyx Text-to-Speech API | 7.1 | Free plan | $500/mo | API, Web |
| 4 | Twilio Studio | 7.1 | Free plan | Free | API, Web |
| 6 | NCH IVM Telephone Answering Attendant | 6.9 | No | $2,999/mo | Linux, Windows |
| 7 | Telnyx TeXML | 6.8 | No | $500/mo | Web |
| 8 | Ozonetel IVR System | 6.7 | No | — | Web |
| 9 | Plum Fuse | 6.4 | No | — | API, Web |
| 10 | Zappix Visual IVR | 6.4 | No | — | API, Web |
| 11 | Plum DEV | 6.3 | No | — | API, Web |
| 12 | BizPlus IVR | 6.2 | No | ₹2,499/mo | API, self-hosted, Web |
| 13 | Avaya Aura Private Cloud | 5.9 | No | — | Windows, Mac, iOS, Android |
| 14 | 8x8 Intelligent IVR | 5.7 | No | $0.05/mo | Web |
| 15 | Dialogic Digital IVR | 5.7 | No | — | — |
| 16 | Wazo Platform | 5.7 | No | — | Web, Linux |
| 17 | AVOXI Flow Builder | 5.6 | No | — | Web |
| 18 | FonaBot IVR Builder | 5.6 | No | $49/mo | Web |
| 19 | Cloud IVR | 5.5 | No | — | Web |
| 20 | SIP.IO | 5.5 | Free plan | Free | API, Web |
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Questions about Asterisk alternatives
What is the best alternative to Asterisk?
Voicent, number 1 in interactive voice response software with a score of 7.8 out of 10. The others here: FreeSWITCH, Telnyx Text-to-Speech API, Twilio Studio and 15 more.
What is the best free alternative to Asterisk?
Voicent is the best-ranked alternative with a free plan. 5 of the 19 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.