Polycom SoundStation Duo is a versatile conference phone that works with both analog and IP- phone lines. This makes it a unique device - in fact, two phones in one! With this conference phone you will not need to figure out what type of line your colleagues or partners use. Polycom SoundStation Duo provides full communication through public telephone lines and IP-telephony lines.
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.