The sip t19p is one of yealinks latest answers for the entry level ip phone that offers features and performance normally associated with much more advanced phones the quite intentional choice of high quality materials combined with a generously large 132 x 64 pixel graphical lcd that gives a clear 5 line display guarantees both a smoother user experience and easy access to much more visual information at a glance dual 10100 mbps network ports with integrated poe are ideal for extended net