IP DSS Console
Easy Expansion for enhanced professional use
48 DSS buttons, to be used in full flexibility, e.g.:
Direct Station Selection
Pre-Programmable One Touch Number dialing
Frequently used features
Busy Station Signalling
Direct connected to the KX-NT553/ KX-NT556
Maximum of 4 DSS console per phone can be connected
Available in black and white
The sleek, ultra-modern design, available in both black and white colour options, works well with any office decor.
– See more at: http://business.panasonic.co.uk/communication-solutions/ip-handsets-panasonic-communication-solutions/kx-nt505#sthash.JPQBvg3S.dpuf