Grandstream HT841 FXO VoIP Gateway, 4x FXO, 2x GbE

Vendor: Grandstream 

Category: Network equipment / Gateway 

Article number: HT841 

TNVED: 8517 62 00 00 

Description: The analog FXO gateway series of FXO gateways HT841 and HT881 allow you to create a VoIP system with fast deployment for companies of any size. Using these gateways, you can easily combine several objects and all devices in the office into an IP PBX network and place it locally or in any selected location to simplify deployment. The HT8x1 series gateways have FXO and FXS ports that support remote calls on the PSTN network. Advanced telephony features, simple automatic configuration and excellent communication quality make the HT8x1 series gateways ideal VoIP solutions for business. 

Link to source: https://www.grandstream.com/products/gateways... 

Completion: 1x HT841, 1x Ethernet Cable, 1x Quick Installation Guide (Power supply is not included) 

Optional: Ports for HT841 telephone lines: 4 FXO RJ11 ports, 1 FXS RJ11 port Network interface Two RJ45 10/100/1000 Mbps ports, one with PoE-PD 802.3af support Note. Up to 1000 Mbit/s in bridge mode; up to 100 Mbit/s in NAT mode LED indicators POWER SUPPLY, LAN, WAN, FXS, FXO Factory Reset button Yes Voice, Fax, Modem Telephony functions Caller ID display and blocking, call waiting, reset, blind transfer, coordinated call transfer, forwarding, hold, Do Not Disturb function, conferences up to three participants G.711 speech codecs with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726-32, iLBC, OPUS, dynamic jitter buffer, improved linear echo cancellation Fax over IP Fax transmission (compliance with T.38 group 3) with speeds up to 14.4 Kbit/s and switching to G.711 for fax transmission over a packet network Short-range/ long-range call range 3 REN: up to 1 km at 24 AWG Bellcore Caller ID type 1 and 2, ETSI, BT, NTT and CID based on DTMF DTMF dialing method, Pulse Disconnection methods "busy" signal, reverse polarity/control pulse, current in the circuit Alarm system Network protocols TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN (RFC3489), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE Quality of service Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), traffic shaping DTMF method In audio signal, RFC2833 and/or SIP INFO Configuring and controlling HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated configuration using AES encryption, system log Safety SRTP Environment TLS/SIPS/HTTPS control Management System log support, SSH, remote management via browser