Grandstream HT814 Analog Telephone Adapter

Grandstream HT814 Analog Telephone Adapter

The Grandstream HT814 is a high-performance 4-port analog telephone adapter (ATA) that includes a built-in Gigabit NAT router. It allows users to connect up to four analog phones or fax machines to a VoIP network while offering advanced telephony features, secure communications, and centralized provisioning. Ideal for small offices, residential deployments, and legacy-to-IP transitions.

Grandstream HT814 Analog Telephone Adapter Specifications

• FXS Ports: 4 RJ-11 analog phone/fax ports

• Ethernet Ports: 2 Gigabit RJ-45 ports (WAN + LAN)

• Router Functionality: Integrated Gigabit NAT router with high throughput

• SIP Profiles: Supports 2 SIP accounts across 4 FXS lineshttps://www.city.co.ke

• Voice Codecs: G.711, G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS

• Echo Cancellation: Yes, with adaptive jitter buffer and packet loss concealment

• Fax Support: T.38 Fax-over-IP with G.711 fallbackhttps://www.city.co.ke

• Security: TLS, SRTP, HTTPS, AES encryption, secure boot, unique device certificate

• Provisioning: TR-069, XML configuration files, HTTP/HTTPS/TFTP

• Voice Features: Call waiting, call transfer, call forward, DND, 3-way conferencing

• Failover Support: Automatic SIP server failover for service continuityhttps://www.city.co.ke

• LED Indicators: Power, LAN, WAN, Phone 1–4

• Power Supply: 12V DC, 1A external power adapter

• Dimensions: 28.5 × 130 × 90 mm

• Weight: Approximately 290 grams

• Operating Temperature: 0°C to 50°C

• Humidity Range: 10% to 90% non-condensing

• Certifications: FCC, CE, RCM, K.21