The HT841/881 FXO Gateway Series allows all sizes to create an easy -to -install VOIP solution. These FXO Gateway provides the ability to connect multiple locations and all the devices within the office with any cloud or on-site IP PBX network to make the installation as simple as possible.

- Supports 3 SIP profiles via 1 fxs port and 4/8 fxo port
- High performance Nat router
- Emergency Support (in the event of a power failure, the FXS port will be switched directly to the FXO port)
- 3 participants in a conference per port
- Automatic and secure configuration options using TR069
- T.38 fax support for reliable IP-based fax sending
- Automatic SIP Server Transform to Secondary Server if the main server loses contact
- Strong aes encryption with individual security certification per device