The HT841/881 FXO gateway series enables businesses of all sizes to create an easy-to-deploy VoIP solution. These FXO gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on-premise IP PBX network to make deployments as easy as possible. The HT8x1 series includes FXO and FXS ports to support remote calling to and from the PSTN line. Advanced telephony features, easy automated provisioning, and superb voice quality allow the HT8x1 series to be the ideal VoIP gateway for businesses. More information: Network | Quality of Service (QoS) support | Yes | Ports & interfaces | Ethernet LAN (RJ-45) ports | 2 | ![](/p.gif) | Modem (RJ-11) ports | 8 | Operational conditions | Operating temperature (T-T) | 0 - 40 °C | ![](/p.gif) | Storage temperature (T-T) | -10 - 60 °C | ![](/p.gif) | Operating relative humidity (H-H) | 10 - 90 % | Security | Security algorithms | AES, HTTPS, SIPS, SSL/TLS | Weight & dimensions | Width | 100 mm | ![](/p.gif) | Depth | 28 mm | ![](/p.gif) | Height | 190 mm | ![](/p.gif) | Dimensions (WxDxH) | 120 x 180 x 36 mm | ![](/p.gif) | Weight | 460 g | Features | Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B | ![](/p.gif) | Fax compatibility | T.38 | ![](/p.gif) | Reset button | Yes | ![](/p.gif) | LED indicators | LAN, Power, WAN | Call management | Caller ID | Yes | ![](/p.gif) | Conference call | Yes | ![](/p.gif) | Call waiting | Yes |
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