Grandstream HT841 4 Port Analog FXO Gateway
The Grandstream HT841 is a 4-port Analog FXO Gateway designed to seamlessly integrate analog telephone lines with VoIP networks. It offers a range of features suitable for businesses seeking to bridge traditional telephony with modern IP-based systems.
Main Features
- Equipped with 4 FXO ports for connecting analog phone lines and 1 FXS port for connecting an analog telephone.
- Supports up to 3 SIP server profiles, allowing for flexible VoIP configurations.
- Includes a built-in NAT router to efficiently manage network traffic.
- In the event of a power outage, the FXS port is hard-relayed to an FXO port, ensuring continued connectivity.
- Supports 3-way voice conferencing on each port, facilitating multi-party calls.
- Offers secure and automated provisioning options using TR069 for simplified deployment.
- Ensures reliable Fax-over-IP by supporting the T.38 protocol.
- Automatically switches to a secondary SIP server if the primary server loses connection, enhancing reliability.
- Features two 10/100/1000 Mbps RJ45 ports, with one supporting 802.3af PoE-PD for flexible network integration.
- Includes caller ID display or block, call waiting, flash, blind or attended transfer, call forwarding, hold, do not disturb, and 3-way conferencing.
- Supports various voice codecs, including G.711, G.723.1, G.729, G.726, iLBC, and OPUS, ensuring compatibility and high-quality audio.
- Provides Quality of Service features at Layer 2 and Layer 3 to prioritize voice traffic and ensure optimal performance.
- Supports management via web browser, SSH, Telnet, and offers syslog support for monitoring and troubleshooting.
New
Data sheet
| Caller ID | Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
|---|---|
| Controls | TLS/SIPS/HTTPS |
| Dimensions | 190mm x 100mm x 28mm (L x W x D) |
| DTMF | In-audio, RFC2833 and/or SIP INFO |
| FXO Ports | 4 RJ11 FXS ports |
| FXS Ports | 1 RJ11 FXS port |
| Interface | Two 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support |
| Media Encryption | SRTP |
| Operating humidity | 10 – 90% |
| Operating temperature | 32º – 104ºF |
| Protocol | TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE |
| QoS | Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic Shaping |
| Voice and Fax Codecs | G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726-32, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation |
| Weight | 0.46KG |
| Power Supply | POE Input: 4 8 V / 0 . 5 A DC Input: 12V/1A |
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