Siemens optiPoint 420 Standard Modular, multi-line IP speakerphone with display
	Modular, multi-line IP speakerphone with display . A great desktop solution for contact center agents and supervisors as well as providing an excellent speakerphone for conference rooms. 2 line, backlit LCD display 10/100 base T network interface 12 self-labelling function keys with LEDs optiGuide dialog keys Fullt duplex speakerphone Headset port optiPoint adaptor/module G.711, G.723 & G.729 PoE on unused / used pairs Supports SIP and CorNet IP