Gamma Horizon vs PortSIP PBX
| Gamma Horizon | PortSIP PBX | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | Android, iOS, Web | Android, api, iOS, Linux, self-hosted, Web, Windows |
| Business numbers | multiple | multiple |
| Call routing | custom | custom |
| Desktop and mobile apps | Yes | Yes |
| Free plan | No | Yes |
| Pricing model | hybrid | |
| Number porting | Yes | |
| Included users | 3 users | |
| Auto attendant | Yes | |
| Voicemail transcription | Yes |
Listed together in Best Business Phone Systems