Best Colt SIP Trunking Alternatives in 2026
Updated
20 apps from SIP trunking providers ranked against Colt SIP Trunking on the same published basis.
- 1Colt SIP Trunking vs Callcentric SIP Trunking
- 2Colt SIP Trunking vs Twilio Segment
- 3Colt SIP Trunking vs Bandwidth Messaging API
- 4Colt SIP Trunking vs Telnyx Text-to-Speech API
- 5Colt SIP Trunking vs Telnyx SIP Trunking
- 6Colt SIP Trunking vs SIP.US Cloud SIP Trunking
- 7Colt SIP Trunking vs IPComms SIP Trunking
- 8Colt SIP Trunking vs Sinch Fax API
- 9Colt SIP Trunking vs BT Global SIP
- 10Colt SIP Trunking vs Callivex SIP Trunking
- 12Colt SIP Trunking vs VoIP.ms SIP Trunking
- 13Colt SIP Trunking vs DIDWW Two-way SIP Trunking
- 14Colt SIP Trunking vs Dollu CCaaS
- 15Colt SIP Trunking vs Orange Business Talk IP
- 16Colt SIP Trunking vs Flowroute
- 17Colt SIP Trunking vs Skyetel SIP Trunking
- 18Colt SIP Trunking vs SendFax.to
- 19Colt SIP Trunking vs BICS SIP Trunking
- 20Colt SIP Trunking vs Sangoma Carrier Voice
- 21Colt SIP Trunking vs Anveo Direct
Colt SIP Trunking alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Callcentric SIP Trunking | 7.4 | Free plan | Free | Android, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | Twilio Segment | 7.1 | Free plan | $120/mo | Web, iOS, Android |
| 3 | Bandwidth Messaging API | 7.0 | No | — | API, Web |
| 4 | Telnyx Text-to-Speech API | 6.8 | Free plan | $500/mo | API, Web |
| 5 | Telnyx SIP Trunking | 6.6 | Free plan | $500/mo | API, Web |
| 6 | SIP.US Cloud SIP Trunking | 6.4 | No | $1/mo | Android, API, iOS, Web |
| 7 | IPComms SIP Trunking | 6.2 | No | — | API, Web |
| 8 | Sinch Fax API | 6.2 | No | — | API, Web |
| 9 | BT Global SIP | 6.1 | No | — | Web |
| 10 | Callivex SIP Trunking | 6.1 | No | — | API, Web |
| 12 | VoIP.ms SIP Trunking | 6.1 | No | $23/mo | Android, iOS |
| 13 | DIDWW Two-way SIP Trunking | 6.0 | No | — | API, Web |
| 14 | Dollu CCaaS | 6.0 | No | — | API, Web |
| 15 | Orange Business Talk IP | 6.0 | No | — | API, Web |
| 16 | Flowroute | 5.9 | No | — | API, Web |
| 17 | Skyetel SIP Trunking | 5.9 | No | $25/mo | API, Web |
| 18 | SendFax.to | 5.8 | No | — | Web |
| 19 | BICS SIP Trunking | 5.7 | No | — | — |
| 20 | Sangoma Carrier Voice | 5.7 | No | — | Web |
| 21 | Anveo Direct | 5.6 | No | — | — |
Make your app an alternative to Colt SIP Trunking
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Colt SIP Trunking alternatives
What is the best alternative to Colt SIP Trunking?
Callcentric SIP Trunking, number 1 in SIP trunking providers with a score of 7.4 out of 10. The others here: Twilio Segment, Bandwidth Messaging API, Telnyx Text-to-Speech API and 16 more.
What is the best free alternative to Colt SIP Trunking?
Callcentric SIP Trunking is the best-ranked alternative with a free plan. 4 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.