| Specifications |
| Ports | 4 FXS Ports |
| Telephony Interfaces | RJ11 |
| LAN | 1 10/100Mbps |
| Protocol | SIP (RFC3261), IAX2 |
| Transport | UDP, TCP, TLS, SRTP |
| Codec | G.711 (alaw/ulaw), G.722, G.723, G.726, G.729A, GSM, ADPCM |
| Voice Capability | ITU-T G.168 LEC Echo Cancellation, Dynamic Jitter Buffer, VAD, CNG, PLC |
| DTMF Mode | RFC2833, SIP Info, In-band |
| Fax | T.38 and Pass-through |
| QoS | DiffServ, ToS, 802.1 P/Q VLAN tagging |
| Network | DHCP, DDNS, OpenVPN, PPPoE, Static Route, VLAN |
| Network Protocol | FTP, TFTP, HTTP, HTTPS, SSH |
| Management Protocol | TR-069* |
| Signaling | FXS Loop Start, FXS Kewl Start |
| Caller ID | BELL202, ETSI (V23), NTT (V23-Japan), and DTMF-based CID |
| Disconnect Methods | Busy Tone, Polarity Reversal |
| FXO Connectivity | – |
| Power | 12V, 1A |
| Dimensions (L × W × H) (mm) | 200 × 137 × 25 |
| Humidity | 10-90% non-condensing |
| Storage Range | -20°C to 65°C, -4°F to 149°F |
| Operation Range | 0°C to 40°C, 32°F to 104°F |
| Mounting | Desktop, Wall-mount |
| Compatibility | Interoperable with 3CX, Asterisk, Lync Server, FreePBX and certified with Elastix and BroadSoft |
| Features |
| 3-way Conference | API |
| Attack Alert | Attended Transfer |
| Auto Provisioning with Yeastar IP-PBX | Backup and Restore |
| Blind Transfer | Call Detail Records |
| Caller ID Display | Call Forward (Always, Busy, No Answer) |
| Call Waiting | Do Not Disturb |
| Firewall | Firmware Upgrade by HTTP/TFTP |
| Hotline | Hunting Groups |
| IP Blacklist | MWI (FSK, Neon, Polarity Reversal) |
| Nat Traversal | Packet Capture Tool |
| Radius Accounting & Login | Speed Dial |
| System Logs | TR-069 |
| Voice Menu for Basic Configuration | Web-based Management |
Yeastar TA400 FXS Gateway
The Yeastar TA400 FXS Gateway is a versatile telephony solution designed to enhance communication capabilities in various business environments. With its compact design measuring 200 × 137 × 25 mm, this gateway provides four FXS ports through RJ11 interfaces, facilitating seamless integration of analog devices into modern VoIP networks. The device operates over SIP (RFC3261) and IAX2 protocols, supporting UDP, TCP, TLS, and SRTP transport methods. Voice quality is optimized through codecs such as G.711 (alaw/ulaw), G.722, G.723, G.726, G.729A, GSM, and ADPCM, complemented by ITU-T G.168 LEC Echo Cancellation, Dynamic Jitter Buffer, VAD, CNG, and PLC features. The TA400 supports various DTMF modes, including RFC2833, SIP Info, and In-band. It is also equipped with T.38 fax and pass-through capabilities. Network management and connectivity options are extensive, with support for DHCP, DDNS, OpenVPN, PPPoE, Static Route, and VLAN. The device ensures secure communication with protocols like FTP, TFTP, HTTP, HTTPS, and SSH. Quality of Service (QoS) features include DiffServ, ToS, and 802.1 P/Q VLAN tagging. The gateway offers flexible deployment options, with desktop and wall-mount capabilities. Its compatibility extends to major VoIP platforms like 3CX, Asterisk, Lync Server, FreePBX, Elastix, and BroadSoft, ensuring seamless integration into diverse telephony environments. Additional features include 3-way conference, API support, attack alerts, auto provisioning with Yeastar IP-PBX, backup and restore functionalities, caller ID display, call waiting, firewall, hotline, hunting groups, IP blacklist, NAT traversal, radius accounting and login, speed dial, system logs, and web-based management. With firmware upgrades, advanced call handling, and comprehensive management capabilities, the Yeastar TA400 FXS Gateway is an excellent choice for businesses seeking a reliable and feature-rich analog-to-IP telephony solution.
