Features:
<ul>
<li>Supports up to two analog devices with respective numbers</li>
<li>Supports fax passthrough using G.711</li>
<li>Headset functionality for the primary line</li>
<li>Included magnet flat mount, wall mount, and angled desktop stand</li>
<li>Powered by the included USB-C adapter or 802.3af PoE</li>
<li>Connects to a UniFi OS Console via Ethernet or automatically with UniFi WiFi</li>
</ul>
Notes:
<ul>
<li>A Dream Machine Special Edition, Dream Machine Pro, Dream Router, or Cloud Key Plus is required to run UniFi Talk.</li>
<li>Currently, UniFi Talk is only available in the US and Canada, but we are working on bringing the service to other territories and countries.</li>
<li>The Talk Telephone Adapter is designed for managing analog telephones and fax machines with the UniFi Talk application. Interoperability with other analog devices, such as fire alarm systems, is not guaranteed.</li>
<li>Additional requirements to connect to UniFi WiFi: — The Talk Telephone Adapter must be updated to Version 1.1.0 or later — The UniFi Network application must be updated to Version 7.0.15 or later — All access point(s) must be updated to Version 6.0.18 or later</li>
</ul>
Managed with the UniFi Talk application: Version 1.12.0 and later

Installation Guide

UT-ATA

Easy-to-deploy adapter that allows you to manage analog telephones and fax machines with the UniFi Talk application.

Talk Telephone Adapter

Easy-to-deploy adapter for managing analog telephones and fax machines with UniFi Talk.

Mechanical
Dimensions	131.5 x 110.7 x 28.2 mm (5.18 x 4.36 x 1.11")
Weight	300 g (10.58 oz)
Enclosure material	Plastic
Mounting	Flat/angle mount
Display
Display size	86.04 mm (3.39") diagonal
Resolution	192 x 64 dots
Hardware
Memory	RAM: 128 Mb DDR3 Storage: 256 Mb
Power method	USB-C 5VDC, 1A PoE 48VDC/0.35A
Power supply	5VDC, 1A power adapter, 1.5 m cord (included) PoE (pair B 4, 5+; 7, 8-)
Connectivity	(1) 100 MbE RJ45 port/PoE (1) 3.5 mm (0.14") headset port (2) RJ11 FXS ports (1) USB-C (power input) 802.11a/b/g/n/ac WiFi 2.4G b/g/n, BW 20 WiFi 5G a/n/ac, BW 20/40/80
Buttons	(3) Device control keys
Telephone features	Voicemail, DND, caller ID, call transfer, call waiting, 3-way conference
Operating temperature	0 to 40° C (32 to 104° F)
Operating humidity	10 - 90% noncondensing
Certifications	FCC, IC, CE
Software
Fax over IP	Fax pass-through using G.711
Voice codec	G.711 u/a
Number of supported phone lines	2
Software
Management application	UniFi Talk: Version 1.12.0 and later