| Price from | $100/mo | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 4 | 1 |
| Spec score · IP PBX Software | 8.1 (#8) | 8.2 (#7) |
| Spec score · Call Management system | 8.1 (#17) | 8.2 (#13) |
| Spec score · Business Phone Systems | 7.8 (#119) | 7.9 (#115) |
| API | The maker lists a JSON REST API among the member applications available at Purple and Gold levels. | The documented REST interface follows the OpenAPI standard and supports API keys with configurable permissions. |
| Auto attendant | Yes | Yes |
| Call routing | custom | custom |
| Free plan | Yes | Yes |
| Product | FusionPBX is an open-source web interface for the FreeSWITCH communication platform and can serve as a PBX, call center, fax, voicemail, conference, or voice application server. | MikoPBX is a free IP PBX for business, based on Asterisk, offered for on-premise or cloud deployment. |
| Security | The security guide says the default certificate is self-signed and recommends firewalls, strong passwords, SSH, and keeping the operating system, FreeSWITCH, and FusionPBX updated. | MikoPBX says it automatically blocks suspicious IP addresses; its documentation describes firewall controls for restricting access by traffic type and subnet. |
| Support | Official support is offered to Blue, Purple, and Gold members through support tickets, with monthly support hours included according to membership level. | The support page lists paid support from 100$ per request, plus community forum, wiki, and Telegram chat options. |