The Avaya 1603SW-I is an entry level IP phone that is compatible with Avaya Communication Manager and IP Office R6.0 and higher. It has all of the features of the 1603-I plus an additional ethernet port for a computer / workstation.
This is the global version which Avaya has transitioned to instead of the English text below the buttons. This is the only difference between the Global and Text version. Requires local 5v power supply or POE (802.3af).