| Feature/Specification | Description |
|---|---|
| Model | Yeastar S50 |
| System Type | VoIP PBX |
| Max Users | 50 |
| Max Concurrent Calls | 25 |
| Ports | |
| - Analog Ports | 8 |
| - BRI Ports | 8 (optional) |
| - GSM/4G Ports | 4 (optional) |
| - Network Ports | 2 Gigabit Ethernet |
| - USB Ports | 2 |
| - SD Card Slot | 1 |
| Storage | Internal eMMC flash |
| Expansion | External USB storage, expansion board for additional analog and digital ports |
| Management | Web interface, CLI |
| Call Handling Features | Auto attendant, IVR, call forwarding, call recording, voicemail, conferencing |
| Security Features | Call filtering, encryption, user authentication |
| Network Features | DHCP server, NAT, QoS, VPN |
| Power Supply | 100-240V AC, 50/60Hz |
| Dimensions | 442 x 330 x 43.6 mm |
| Weight | 5.7 kg |
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