Grandstream HT801 Analog Telephone Adapter — Connect Analog Devices to VoIP

Save on the Grandstream HT801, a compact single-port ATA that bridges your analog phone or fax machine to any SIP-based VoIP network. Ideal for small businesses, home offices, and large-scale service provider deployments, the HT801 delivers exceptional voice quality with enterprise-grade security — all backed by Reef Telecom's industry-leading 10-year warranty.

Key Features

• 1 FXS port with 1 SIP profile and 10/100Mbps Ethernet port
• TLS and SRTP encryption for secure calls and account protection
• T.38 Fax-over-IP support for reliable faxing over VoIP
• 3-way voice conferencing
• Failover SIP server — automatically switches to secondary server if primary loses connection
• Automated provisioning via TR-069, XML config files, and Grandstream UCM Zero Config
• Advanced call features: transfer, forward, call-waiting, DND, MWI, caller ID, multi-language prompts, and flexible dial plan
• Voice codecs: G.711a/u, G.723.1, G.729a/b, G.726, iLBC, OPUS

Why Buy from Reef Telecom?

• 10-Year Warranty — the longest in the industry
• Free Shipping on orders over $300
• Trusted telecom equipment reseller with expert support

Compatibility & Use Cases

The HT801 is perfect for converting legacy analog phones, fax machines, and alarm dialers to VoIP. Deploy it with any SIP-compatible PBX including Grandstream UCM, Asterisk, FreePBX, 3CX, and major hosted VoIP providers. Replaces the discontinued Grandstream HT701.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.