Best Asterisk Alternatives in 2026
Updated
20 tools from interactive voice response software ranked against Asterisk on the same published basis.
- 1Asterisk vs Voicent
- 2Asterisk vs FreeSWITCH
- 3Asterisk vs SIP.IO
- 4Asterisk vs Telnyx Text-to-Speech API
- 5Asterisk vs NCH IVM Telephone Answering Attendant
- 6Asterisk vs Twilio Studio
- 8Asterisk vs Ozonetel IVR System
- 9Asterisk vs Plum DEV
- 10Asterisk vs Telnyx TeXML
- 11Asterisk vs BizPlus IVR
- 12Asterisk vs Plum Fuse
- 13Asterisk vs Zappix Visual IVR
- 14Asterisk vs AVOXI Flow Builder
- 15Asterisk vs FonaBot IVR Builder
- 16Asterisk vs NiCE Interactive Voice Response
- 17Asterisk vs Avaya Aura Private Cloud
- 18Asterisk vs 8x8 Intelligent IVR
- 19Asterisk vs Wazo Platform
- 20Asterisk vs Cloud IVR
- 21Asterisk vs Dialogic Digital IVR
Asterisk alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Voicent | 7.5 | Free plan | $179/mo | API, self-hosted, Web, Windows |
| 2 | FreeSWITCH | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 3 | SIP.IO | 7.2 | Free plan | Free | API, Web |
| 4 | Telnyx Text-to-Speech API | 7.1 | Free plan | $500/mo | API, Web |
| 5 | NCH IVM Telephone Answering Attendant | 7.0 | No | $2,999/mo | Linux, Windows |
| 6 | Twilio Studio | 7.0 | Free plan | Free | API, Web |
| 8 | Ozonetel IVR System | 6.8 | No | — | Web |
| 9 | Plum DEV | 6.7 | No | — | API, Web |
| 10 | Telnyx TeXML | 6.7 | No | $500/mo | Web |
| 11 | BizPlus IVR | 6.5 | No | ₹2,499/mo | API, self-hosted, Web |
| 12 | Plum Fuse | 6.5 | No | — | API, Web |
| 13 | Zappix Visual IVR | 6.5 | No | — | API, Web |
| 14 | AVOXI Flow Builder | 6.4 | No | $6.49/mo | API, Web |
| 15 | FonaBot IVR Builder | 6.4 | No | $49/mo | Web |
| 16 | NiCE Interactive Voice Response | 6.3 | No | $110/mo | Web |
| 17 | Avaya Aura Private Cloud | 6.2 | No | — | Windows, Mac, iOS, Android |
| 18 | 8x8 Intelligent IVR | 5.8 | No | $0.05/mo | Web |
| 19 | Wazo Platform | 5.8 | No | — | Web, Linux |
| 20 | Cloud IVR | 5.6 | No | — | Web |
| 21 | Dialogic Digital IVR | 5.6 | No | — | — |
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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 7.5 out of 10. The others here: FreeSWITCH, SIP.IO, Telnyx Text-to-Speech API and 16 more.
What is the best free alternative to Asterisk?
Voicent is the best-ranked alternative with a free plan. 5 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.