Grandstream HT802 V2 FXS ATA Gateway

Grandstream HT802 V2 — Dual-Port VoIP Adapter

For users who need to easily connect existing analog phones to a modern VoIP infrastructure, the Grandstream HT802 V2 is the ideal solution. The device offers two FXS ports (RJ-11), which allows you to connect two phone lines with support for 2 independent SIP profiles, all over a single 10/100 Mbps network connection. Its compact design and easy installation make it easy to use in homes and offices. With support for automatic provisioning and security using TLS/SRTP, it provides reliability and a high level of protection.

Flexible Connection and Voice Features

The Grandstream HT802 V2 not only allows you to connect two analog phones, but also offers a wide range of features such as transfer, forward, hold and Do Not Disturb. Support for 3-way voice conferencing makes it easy to communicate in groups. For those using fax, the adapter includes T.38 support for reliable transmission over an IP network. Dynamic jitter buffer and advanced line reflection suppression ensure consistent voice quality even in challenging conditions.

Easy management and security

The device is designed with ease of management and maximum protection in mind. It supports remote management via a web interface, SSH or syslog. Automatic provisioning includes AES encryption for secure configuration. Voice and data communication is protected with SRTP, TLS/SIPS and HTTPS. This ensures secure operation even in environments where the protection of sensitive data is emphasized.

Compatibility and integration

The Grandstream HT802 V2 is fully compatible with Grandstream UCM IP PBXs, while supporting Zero Configuration provisioning for fast and seamless integration. Support for a wide range of codecs, including G.711, G.722, Opus and others, ensures compatibility with various VoIP systems and providers. Backup SIP server enables automatic switchover in case of primary server failure, which increases service reliability.

Technical data

• Telephone ports: 2× RJ-11 FXS with support for independent SIP profiles
• Network interface: 1× RJ-45, 10/100 Mbps, automatic speed detection
• Power supply: Input 100-240 V AC, 50-60 Hz; Output 5.0 V DC / 1.0 A
• Fax Support: T.38 up to 14.4 kbps, auto-switch to G.711
• Codecs: G.711 (Annex I, II), G.722, G.723.1, G.729A/B, G.726-32, iLBC, Opus
• Security: SRTP for media, TLS/SIPS/HTTPS for connection control
• Provisioning: TR-069, XML, HTTP, HTTPS, TFTP, AES encryption
• Operating temperature: 0 to +40 °C
• Dimensions: 100 × 100 × 29.5 mm
• Weight: 114 g

The Grandstream HT802 V2 is an ideal choice for modern VoIP environments thanks to its features, reliability and easy integration.