| Analog Telephone FXS Ports | 2 ports (both with lifeline capability in case of power outage) |
| Caller ID | Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 - BT |
| Call Features | Call park, call forward, call transfer, DND, ring/hunt group, paging/intercom etc. |
| Customizable Auto Attendant | Up to 5 layers of IVR (Interactive Voice Response) |
| DTMF Methods | In Audio, RFC2833, and SIP INFO |
| Environmental | 32 104 deg F / 0 40 deg C, 10 90% (non-condensing); Storge 14 140 deg F / -10 60 deg C |
| LCD Display | 128x32 graphic LCD with DOWN & OK button |
| LED Indicators | Power/Ready, Network, PSTN Line, USB, SD |
| Media Encryption | SRTP, TLS, HTTPS, SSH |
| Mounting | Wall mount & Desktop (UCM6202/6204); Rack mount & Desktop (UCM6208) |
| NAT Router | Yes (supports router mode and switch mode) |
| Network Interfaces | Dual Gigabit RJ45 ports with integrated PoE Plus (IEEE 802.3at-2009) |
| Peripheral Ports | USB, SD |
| PSTN Line FXO Ports | 2 ports (UCM6202); 4 ports (UCM6204); 8 ports (UCM6208) |
| QoS | Layer 3 QoS, Layer 2 QoS |
| Reset Switch | Yes |
| Universal Power Supply | Output 12VDC, 1.5A; Input 100 240VAC, 50 60Hz |
| Video Codecs | H.264, H.263, H263+ |
| Brand | Grandstream |
| Weight | UCM6202/6204 Unit weight 0.51kg, Package weight 0.94kg UCM6208 Unit weight 2.23kg, Package weight |
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