OPBX vs VoIPstudio
| OPBX | VoIPstudio | |
|---|---|---|
| Free plan | No | |
| Free trial | Yes | |
| Paid from | $6/mo | |
| Platforms | api, Linux, self-hosted, Web | Android, extension, iOS, Linux, macOS, Windows |
| Free plan | Yes | No |
| Call routing | custom | custom |
| Paid from | $6/user/mo | |
| Business numbers | multiple | |
| Auto attendant | Yes | |
| Voicemail transcription | Yes | |
| Desktop and mobile apps | Yes |
Listed together in Best Business Phone Systems