Callr vs Kamailio
Callr
callr.com
Kamailio
kamailio.orgSide by side
| Figure | Callr | Kamailio |
|---|---|---|
| Price from | €599/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 1 |
| Spec score · Voice APIs | 9.0 (#1) | 7.8 (#13) |
| Founded | 2011 | 2001 |
| Integrations | Callr lists native connectors for Salesforce, HubSpot, Google Analytics, and Google Ads, plus a REST API and webhooks. | The project lists backend support including MySQL, PostgreSQL, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, and Memcached. |
| Security | Callr states that HTTPS, SIP TLS and SRTP encryption are included across plans. | Listed security features include Digest SIP user authentication, authorization through ACL or group membership, and IP and network authentication. |
| Support | Callr describes 24/7 support as part of its service and lists premium customer support for Enterprise. | Community support is offered free on a best effort basis through mailing lists, Matrix, and IRC. |