OnSIP vs OPBX
| OnSIP | OPBX | |
|---|---|---|
| Free plan | Yes | |
| Paid from | $18.95/mo | |
| Platforms | Android, iOS, macOS, Web, Windows | |
| Free plan | Yes | Yes |
| Paid from | $18.95/user/mo | |
| Included users | 5 users | |
| Business numbers | multiple | |
| Auto attendant | Yes | |
| Call routing | custom | custom |
| Voicemail transcription | Yes | |
| Desktop and mobile apps | Yes |
Listed together in Best Business Phone Systems