Yeastar TA800 VoIP telephone adapter Voice codecs G.711 G.722 G.729A

The Yeastar TA800 VoIP telephone adapter is a compact desktop device with a book-like design that can also be wall-mounted. It supports multiple voice codecs including G.711, G.722 and G.729A, and is compatible with T.38 fax transmission. The adapter provides convenient analog phone connections and supports network protocols such as DHCP and OpenVPN. Its dimensions are 137 x 200 x 25 mm and it is powered by a 12 V, 1 A adapter.

Advantages

TA800 combines flexible installation options with simple web-based management. LED indicators display system and port status for quick visual checks, while a user-friendly web GUI offers straightforward configuration and access to comprehensive call, system, hardware and debug logs. The fanless, compact design ensures quiet operation and low power consumption, making the device suitable for space-conscious and energy-efficient deployments.

Suitable for

• Small offices and home offices requiring analog phone connectivity to VoIP networks
• Environments where wall mounting or desktop placement is preferred
• Setups that need fax over IP (T.38) support
• Deployments needing secure remote access via OpenVPN

Key specifications

• Model: Yeastar TA800 (MPN: TA800_FXS, EAN: 6926150033726)
• Voice codecs: G.711, G.722, G.729A
• Fax support: T.38
• Network protocols: DHCP, OpenVPN (and standard SIP/VoIP protocols)
• Dimensions: 137 x 200 x 25 mm
• Power: 12 V, 1 A

How to use

Place the TA800 on a desk or mount it on a wall using appropriate fittings. Connect analog phones to the FXS ports and link the device to your network via Ethernet. Power the unit with the supplied 12 V, 1 A adapter. Access the web-based GUI through a browser to perform initial configuration: set network parameters (or enable DHCP), register SIP accounts, configure codecs and enable T.38 if fax is required. Use the LED indicators to verify port and system status during setup.

Recommendations

For reliable voice quality, use G.711 or G.722 where bandwidth allows and enable G.729A for constrained bandwidth scenarios. Keep firmware updated via the web interface, place the device in a well-ventilated area despite its fanless design, and secure remote access using OpenVPN or other recommended VPNs.