Grandstream HT ATA 812

I/O ports: 2 x FXS, 2 x RJ-45 | Dimensions (WxDxH): 130 x 90 x 28.5 mm | Operating relative humidity (H-H): 10 - 90% | Output current: 0.5 A | LED indicators: Yes | Weight: 353.33 g | Web-based management: Yes | Security algorithms: AES | Security algorithms: HTTPS | Operating temperature (T-T): 0 - 40 °C | Ethernet LAN (RJ-45) ports: 2 | Output voltage: 12 V | Reset button: Yes | Storage temperature (T-T): -10 - 60 °C | Quality of Service (QoS) support: Yes | Voice codecs: G.726 | Caller ID: Yes | Conference call: Yes | Call waiting: Yes | Fax compatibility: T.38 | Voice codecs: iLBC | Voice codecs: G.729A | Voice codecs: G.711 | Voice codecs: G.723.1 | Voice codecs: G.729B | Voice codecs: OPUS | Management protocols: Telnet