IP PBX Systems
Centralize your business communications with our robust IP PBX hardware.
How to Choose an IP PBX
Consider your maximum concurrent calls, number of users/extensions, and whether you need built-in FXO ports for analog PSTN fallback.
Compare Grandstream UCM Series
| Model | Users | Concurrent Calls | FXO Ports | FXS Ports |
|---|---|---|---|---|
| UCM6202 | 500 | 30 | 2 | 2 |
| UCM6204 | 500 | 45 | 4 | 2 |
| UCM6208 | 800 | 100 | 8 | 2 |
| UCM6302 | 1000 | 150 | 2 | 2 |