The Atcom A20W IP Phone is a multi-access network, easy to install and run desktop office phone for business users, with excellent sound quality and a stylish and sophisticated interface. It supports 2 SIP accounts. It is an entry-level IP Phone specially designed for business office, 132 x 58 graphic character dot matrix with backlight LCD, 8 own ring tone, 2 custom ring tone article, 8 volume adjustable, dual-core CPU, professional high-quality speaker 100% reproduce HD voice. IPv4 & IPv6 support.