Mostly suited for small and medium conference room need, the Phoenix Audio Duet PCS USB speakerphone has full duplex sound and advanced echo cancellation technology. The device is connected to a PC using USB port, ensuring power supply to the microphone and the built in speaker. Duet PCS is a small device, which does not require a lot of space on your desk. Additionally it can be connected to other Duet PCS therefore to be converted from a desktop speakerphone into a medium size speakerphone in a conference room, what it makes it a great choice for office and relatively small departments.
VoIPCall is a Minneapolis based Internet Telephony Service Provider [ITSP] that provides a first class Voice Over IP calling service designed for business customers, Telcos, ISPs and government entities around the world.