AT820P is a user friendly, two lines IP phone with rich function and crystal voice quality,support multi language. Because of the good compatibility with all kinds of standard SIP softswitch and IP PBX system, it is the best choice of VoIP service based on broadband for SMB market.
The Series 8 has inherited the advantage of ATCOM previous IP phone's design, it's a concise but firm phone, and absolutely with reliable performance.
The Series 8 support HD voice, enable calls with HD voice quality that make it seem like you're face-to-face with the other party.
The Rainbow series is supported Auto Provisioning by TFTP / FTP / HTTP / PnP, which make installer configure and maintain all phones easier and more conveniently.
The Rainbow Series Certificated by Asterisk and Broadsoft Broadworks, can be compatible with a wide range of devices to meet customer needs.