PERI FS 1010 USB Phone The iSystem USB phone features a graphic LCD, back light and plugs directly into the computer's USB port for power. The handset rings for all incoming calls and can be used like a regular phone. USB Phones offer the convenience of a physical phone in the place of a soft phone. It interfaces seamlessly with the iSystem soft phone to offer the feel of a handset through a computer. The USB phone is a sleek substitute for standard headsets. USB Phone Features Multi line display SIP compliant Graphic LCD, back light Customizable ring tones Easy review of call list Caller ID Call Hold Conferencing Easy installation and secure remote provisioning Audio Mute On/Off Built-in sound card Standard 12-button dialling pad No external power required Volume Control Echo cancellation, noise reduction and full duplex communication