Grandstream GS-GXP2170 VoIP Phone &amp; Device<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>12 lines， 6 sip accounts， 5 soft keys and 5-way voice conferencing</li><li>48 on-screen digitally customizable blf/speed-dial keys</li><li>4.3 inch (480x272) color-screen lcd</li><li>Dual gigabit ports， integrated poe</li><li>Supports up to four gxp2200ext modules for blf/speed-dial access to up to 160 contacts</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51wseNrmvvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tPDzJDQpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415i3zk3pcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Z3AGjYL7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oRVpkRdGL.jpg" noproxy>