Grandstream HT801 V2 1-Port FXS Analog Telephone Adapter

The Grandstream HT801 V2 is a compact, single-port Analog Telephone Adapter (ATA) that enables businesses and service providers to integrate traditional analog telephones and fax machines into modern SIP-based VoIP networks. Designed for residential, small business, and enterprise deployments, the HT801 V2 delivers exceptional HD voice quality, advanced telephony features, and enterprise-grade security while providing a simple and cost-effective migration path to IP communications.

Featuring one FXS port, one 10/100 Mbps Fast Ethernet port, T.38 Fax-over-IP support, automated provisioning, and compatibility with Grandstream UCM IP PBXs for Zero Configuration provisioning, the HT801 V2 simplifies deployment and management for MSPs, IT administrators, and service providers. Its compact form factor, secure remote management capabilities, and reliable SIP interoperability make it an ideal solution for extending VoIP services while preserving existing analog devices.

Grandstream HT801 V2 Features:

• Single FXS port for connecting analog telephones or fax machines
• One 10/100 Mbps auto-sensing Fast Ethernet RJ45 network port
• Supports one SIP profile for reliable VoIP connectivity
• HD voice quality with support for G.711, G.722, G.723.1, G.729A/B, G.726-32, iLBC, and Opus codecs
• T.38 Fax over IP support with automatic G.711 fax pass-through
• Advanced telephony features including caller ID, call waiting, call transfer, call forwarding, hold, do not disturb, and 3-way conferencing
• Automatic SIP server failover for improved service availability
• TLS, SRTP, HTTPS, and SIP over TLS encryption for secure voice communications
• Automated provisioning through TR-069, HTTP, HTTPS, SSH, TFTP, and XML configuration files
• Compatible with Grandstream UCM IP PBXs for Zero Configuration provisioning
• Supports multiple caller ID formats for global deployments
• Advanced line echo cancellation and dynamic jitter buffer for clear audio quality
• QoS support with VLAN tagging, DiffServ, ToS, and MPLS prioritization
• Remote management via web interface, SSH, and Syslog
• Compact desktop design for easy installation in home or office environments

Ideal Applications:

• Connecting analog phones to SIP VoIP systems
• Small business VoIP deployments
• Home office communications
• Managed Service Provider (MSP) installations
• Hospitality guest room telephony
• Healthcare and medical office communications
• Fax-over-IP deployments
• Legacy PBX migration projects
• Remote office VoIP connectivity
• Service provider residential voice services
• Retail and branch office analog phone integration
• Businesses preserving existing analog telephone investments

Technical Specifications:

• Model: Grandstream HT801 V2
• Telephone Interface: 1 x FXS port
• Network Interface: 1 x 10/100 Mbps auto-sensing Fast Ethernet RJ45 port
• SIP Profiles: 1 SIP profile
• Voice Codecs: G.711 (PLC/VAD/CNG), G.722, G.723.1, G.729A/B, G.726-32, iLBC, Opus
• Fax Support: T.38 Group 3 Fax Relay and G.711 Fax Pass-through
• Telephony Features: Caller ID, call waiting, call transfer, call forwarding, hold, do not disturb, 3-way conference
• Network Protocols: TCP/IP, UDP, RTP/RTCP, HTTP, HTTPS, SIP, SIP over TCP/TLS, SRTP, DHCP, DNS, NTP, STUN, SNMP, TR-069
• Provisioning: HTTP, HTTPS, SSH, TFTP, TR-069, secure automated provisioning
• Security: TLS, SRTP, HTTPS, SIP over TLS
• QoS: 802.1Q VLAN, 802.1p, DiffServ, ToS, MPLS
• Power Supply: 5VDC / 1A universal power adapter (100–240VAC input)
• LED Indicators: Power, Network, Phone
• Dimensions: 100 × 100 × 29.5 mm
• Weight: 102 g
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Storage Temperature: -10°C to 60°C (14°F to 140°F)
• Operating Humidity: 10% to 90% non-condensing