YST-TA400 - Yeastar 4FXS Port Gateway | Aztek Computers
29+Years
SKU: PJ2NQYYL6K |  Mfg. Part: YST-TA400  | UPC: 6977639383207  | 
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YST-TA400 - Yeastar 4FXS Port Gateway

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Condition: New

$141.56  $191.11
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Product Overview

- 4 FXS ports
- Fully compliant with SIP and IAX2
- Flexible calling rules
- Reliable fax performance with T.38
- Provides high-quality voice compression with industry standard codecs
- Line echo cancellation for 32, 64 or 128 ms echo delays
- Web-based GUI for easy configuration and management
- Excellent interoperability with a wide range of legacy and IP equipment

Expert Overview

The Yeastar YST-TA400 is a 4FXS port gateway designed for business environments requiring integration between traditional analog telephony and modern IP communication systems. This device is suitable for organizations looking to leverage existing analog phones, fax machines, or PBX extensions within a SIP or IAX2-based VoIP infrastructure. It addresses the challenge of maintaining legacy equipment while transitioning to IP telephony, providing a cost-effective solution for extending the life of analog devices. The gateway offers flexible calling rules and reliable T.38 fax performance, ensuring business continuity for essential communication methods. With high-quality voice compression and line echo cancellation, it delivers clear audio for up to 128 ms echo delays. Configuration and management are facilitated through a web-based GUI, simplifying deployment and ongoing maintenance for IT administrators.

Technical Specifications

Number of FXS Ports: 4
Wall or Rack Mountable: Wall
Color: Black

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Yeastar
  • YST-TA400
  • 6977639383207
  • New
  • 1.8 lbs
  • 9 X 11 X 2
  • Jul 27, 2026
  • Oct 29, 2025
Product Identifiers: Brand: Yeastar • Part #: YST-TA400 • UPC: 6977639383207 • Category: Business Phones

Frequently Asked Questions

What is the primary function of the YST-TA400 gateway?

The YST-TA400 gateway connects up to four analog devices, such as telephones or fax machines, to an IP-based communication system. It allows these legacy devices to operate within a SIP or IAX2 VoIP environment.

What kind of devices are compatible with the FXS ports?

The 4 FXS ports are designed to connect standard analog telephones, fax machines, or analog extensions from a traditional PBX system, integrating them into a VoIP network.

Does this gateway support faxing?

Yes, the YST-TA400 provides reliable fax performance with T.38 support, ensuring that fax transmissions over an IP network are handled effectively.

How is the YST-TA400 managed and configured?

The gateway features a web-based GUI for easy configuration and management. This allows IT staff to set up calling rules, manage ports, and monitor device status through a standard web browser.

YST-TA400 - Yeastar 4FXS Port Gateway

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$141.56