| The Poly ATA 400 is a high-reliability single-port analog telephone adapter (FXS) designed to digitize traditional touch-tone phones or fax machines without replacing them. With support for up to four simultaneous SIP accounts, it allows flexible VoIP integration
The built-in USB-A port supports Poly’s OBiWiFi5G adapter, enabling network connectivity where Ethernet is unavailable Simplify deployment with secure provisioning options, including HTTPS, IVR, and Poly’s PDMS-SP cloud service, offering centralized configuration, management, and real-time monitoring via APIs . The ATA supports T.38 fax over IP, caller ID, three-way conferencing, message waiting indicators, and automatic call routing Compact and easy to install, it uses an AC adapter (5 V DC) and features a single RJ‑45 port for LAN connectivity In summary, the Poly ATA 400 allows seamless analog-to-IP migration with cloud-managed provisioning, multi-SIP support, and wireless backup capability—preserving investment in existing endpoints. |




