Kaleyra Voice API vs Telnyx SIP Trunking
Kaleyra Voice API
tatacommunications.com
Telnyx SIP Trunking
telnyx.comSide by side
| Figure | Kaleyra Voice API | Telnyx SIP Trunking |
|---|---|---|
| Price from | — | $500/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 1 | 4 |
| Spec score · Voice APIs | 6.9 (#17) | 8.6 (#4) |
| Headquarters | Mumbai, India | LinkedIn lists Telnyx headquarters at 600 Congress Avenue, Austin, Texas. |
| Integrations | The APIs are designed to integrate with CRMs, marketing platforms, agent desktops, and custom apps using standard interfaces. | Telnyx lists Microsoft Teams, Zoom Phone, 3CX, FreePBX, Asterisk, Talkdesk, UJET and Genesys integrations or configuration paths. |
| Support | Tata Communications offers guidance, tailored deployment support, and dedicated onboarding support for the API. | Telnyx says customers can chat with 24/7 technical support through its Mission Control Portal. |
| What it does | The programmable Voice API lets businesses make, receive, and manage calls through apps and the web. | Telnyx provides carrier-operated SIP trunking for inbound and outbound PSTN calling over the internet. |
Plans
Telnyx SIP Trunking
- Pay as you goFree
- Committed$500 a month
- Growth$2,000 a month
- Enterprise$5,000 a month
In their own words
Kaleyra Voice API
Kaleyra Voice API has no write-up on Specifiction yet; its figures are above.
Telnyx SIP Trunking
Telnyx SIP Trunking connects business phone systems to phone networks over the internet, rather than a traditional phone line. Telnyx says its service runs on a private global network it owns. The product is available in 230+ countries and Telnyx reports processing 500M+ SIP calls monthly. Features include HD voice using wideband codecs such as AMR-WB, branded calling, STIR/SHAKEN A-level attestation, CNAM, spam protection and Voice Integrity reputation monitoring. To place or receive calls, customers create a SIP connection, link it to an outbound voice profile, assign a Telnyx number and use a softphone. Listed PBX compatibility includes 3CX, FreePBX and Asterisk; integrations include Microsoft Teams, Zoom Phone, Talkdesk, UJET and Genesys. The free plan has a $0 platform fee, with usage billed per minute. US local outbound rates start at $0.005 per minute and inbound at $0.0032 per minute; rates vary by destination and volume. Committed starts at $500 a month, and Enterprise at $5,000 a month.