Poly ATA 402 VoIP Adapter | 2 FXS Ports – 8F3H5AA#ABA

Product Overview

The Poly ATA 402 (8F3H5AA#ABA) is an analog telephone adapter with two FXS ports that converts analog phones and fax machines into VoIP-enabled devices. Connect your existing touch-tone equipment to the adapter's FXS ports, then link to your network via the LAN port for seamless integration with SIP-based VoIP phone systems and cloud services.

Supporting up to four SIP accounts and featuring an Automatic Attendant for simplified call routing, the ATA 402 includes a secondary Ethernet port for PC bridging and a USB-A port for optional Wi-Fi connectivity via the Poly OBiWiFi5G adapter. The device is Zoom certified and Microsoft Teams supported through SIP Gateway.

Who Should Use This Product?

Small Businesses

Ideal for organizations transitioning from PSTN to VoIP who want to retain existing analog phones and fax machines without replacing equipment.

IT Administrators

Perfect for managing legacy analog devices within modern VoIP infrastructure using PDMS-SP cloud management and API monitoring.

Why Choose This Product

The Poly ATA 402 extends the lifetime of existing analog phones and fax machines by bringing them into a modern VoIP ecosystem. With support for open SIP protocol, the adapter integrates seamlessly with a wide range of VoIP phone systems and cloud services. IT teams can remotely configure, monitor, and maintain devices through the PDMS-SP cloud service with real-time API status monitoring.

Will This Work for Me?

Works With

  • Any SIP-compliant VoIP phone system or cloud service
  • Microsoft Teams (via SIP Gateway), Zoom

Requirements

  • Ethernet connection or Poly OBiWiFi5G adapter (sold separately) for Wi-Fi
  • AC power outlet (100-240V)

Software

  • PDMS-SP cloud service for remote device management

Note

Wi-Fi connectivity requires Poly OBiWiFi5G USB adapter, sold separately.

What's in the Box

  • ATA 402 Voice Service Bridge and Telephone Adapter
  • AC power adapter
  • Ethernet cable
  • Quick start guide

Technical Specifications