Kamailio
5.9#16 in voice apisFree planFree planAPILinuxSelf-hosted
VisitKamailio vs Telnyx SIP Trunking
Telnyx SIP Trunking
8.0#1 in voice apisFree planFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Kamailio | Telnyx SIP Trunking |
|---|---|---|
| Documentation | The project provides documentation resources including module documentation, tutorials, installation guidance, and administrator and developer documentation. | The help center provides SIP configuration guides and notes that its compatibility guide is not comprehensive. |
| Integrations | The project lists backend support including MySQL, PostgreSQL, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, and Memcached. | Telnyx lists Microsoft Teams, Zoom Phone, 3CX, FreePBX, Asterisk, Talkdesk, UJET and Genesys integrations or configuration paths. |
Kamailio plans
- KamailioFree
Telnyx SIP Trunking plans
- Pay as you goFree
- Committed$500 a month
- Growth$2,000 a month
- Enterprise$5,000 a month
Pick Kamailio if…
You want what its maker publishes above — check its page for the details.
Pick Telnyx SIP Trunking if…
It suits businesses that need global voice calling and PSTN connectivity, including enterprise users. Teams using 3CX, FreePBX, Asterisk, Microsoft Teams or Zoom Phone may find its listed compatibility relevant.