Polycom Sound Station2 / EX Features  Resists interference from mobile phones Polycom Acoustic Clarity Technology for remarkable voice quality Backlit LCD* Easy to install and use Ideal for medium-sized to small conference rooms...
Polycom Sound Station W Features  Resists interference from mobile phones Clarity by PolycomT acoustic technology Roam up to 150 feet from base station Added security of voice encryption Easy to use and install Cell phone dialing Software...
Polycom Sound Station Duo Features  Support for both analog and IP telephony platforms Interoperable with leading SIP-based PBX and soft switch platforms 24x7 reliability with automatic failover from IP to analog Easy administration with no boot...