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 English text version which Avaya has discontinued. They have transitioned to the Global version which removes the text from below the buttons. This is the only difference between the Global and Text version. Requires local 5v power supply or POE (802.3af).