The following chart displays all current models of Grandstream UCM6300 Series IP PBXs by their distinguishing features. Features shared by Grandstream UCM6300 IP PBXs are listed after the chart.
| Model | SIP Users | Calls | SRTP Calls | Video Conferencing | Audio Conferencing | FXS/FXO Ports | Physical Connectors | Mounting |
|---|---|---|---|---|---|---|---|---|
| Grandstream UCM6301 |
500 | 75 | 50 | 2 Rooms 12 Parties |
75 | 1× FXS 1× FXO |
1× USB-A 3.0 1× SD Card |
Wall Desktop |
| Grandstream UCM6302 |
1000 | 150 | 100 | 3 Rooms 20 Parties |
150 | 2× FXS 2× FXO |
1× USB-A 3.0 1× USB-A 2.0 1× SD Card |
Wall Desktop |
| Grandstream UCM6304 |
2000 | 300 | 200 | 4 Rooms 40 Parties |
200 | 4× FXS 4× FXO |
2× USB-A 3.0 1× SD Card |
Rack Desktop |
| Grandstream UCM6308 |
3000 | 450 | 300 | 8 Rooms 60 Parties |
300 | 8× FXS 8× FXO |
2× USB-A 3.0 1× SD Card |
Rack Desktop |
All Grandstream UCM6300 IP PBXs include the following features… and more:
- Open SIP protocol support
- 1080p Full HD video conferencing with no license fees
- Ultra efficient H.265 (HEVC) video compression support
- Customizable auto attendant with 5 layers of interaction
- Call center features including call queues and automatic call distribution
- Android and iOS mobile integration via free Grandstream Wave app
- Web browser app for Chrome and Firefox
- 3× Gigabit Ethernet ports with PoE+ support
- Integrated NAT router with automatic NAT traversal
- T.38 Fax Over IP support
- Layer 2 and Layer 3 QoS configuration for system optimization