Grandstream HandyTone 841 Analog FXO Gateway (HT841)

Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
High-performance NAT router
Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
3-way voice conferencing per port
Automated & secure provisioning options using TR069
Supports T.38 Fax for reliable Fax-over-IP
Failover SIP server automatically switches to secondary server if the main server loses connection
Strong AES encryption with security certificate per unit

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The Grandstream HT841 is a 4-port analog FXO gateway designed to integrate traditional telephony infrastructure with modern VoIP networks. It allows businesses to connect analog phone lines to IP-based systems, facilitating seamless communication between legacy and VoIP environments.

🔧 Key Specifications

Telephony Interfaces

FXO Ports: 4 × RJ11 for connecting to the Public Switched Telephone Network (PSTN)
FXS Port: 1 × RJ11 for connecting analog devices like telephones or fax machines

Network Interfaces

Ethernet Ports: 2 × 10/100/1000 Mbps RJ45 ports
- One port supports Power over Ethernet (PoE)

SIP & Voice Features

SIP Profiles: Supports up to 3 SIP server profiles
Voice Codecs: G.711 (A-law and μ-law), G.722, G.723.1, G.726-32, G.729A/B, iLBC, OPUS
Fax Support: T.38 Fax-over-IP and G.711 pass-through
Telephony Features: Caller ID display/block, call waiting, call transfer (blind/attended), call forwarding, call hold, do not disturb (DND), 3-way conferencing per port
Echo Cancellation: Advanced line echo cancellation
Jitter Buffer: Dynamic jitter buffer

Network & Security

Network Protocols: TCP/IP, UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p), Layer 3 (ToS, DiffServ, MPLS)
Security: TLS and SRTP encryption for secure voice communication
Provisioning: Supports TR-069 and XML configuration files for automated provisioning

Power & Environmental

Power Supply Options:
- PoE: 802.3af compliant
- Optional 12V DC power supply
Dimensions: Approximately 180 x 120 x 36 mm
Weight: Approximately 356g
Operating Temperature: 0°C to 50°C
Humidity: 10% to 90% (non-condensing)

Compliance

FCC, CE, RCM

🔑 Key Features

Supports 3 SIP profiles through 1 FXS port and 4 FXO ports
Integrated high-performance NAT router
Lifeline support: FXS port is hard-relayed to FXO port in case of power outage
Automated & secure provisioning options using TR-069
Supports T.38 Fax for reliable Fax-over-IP
Strong AES encryption with security certificate per unit
Failover SIP server automatically switches to secondary server if main server loses connection
3-way voice conferencing per port

MAECENAS IACULIS

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