T21P E2 takes entry-level IP phones to a level never achieved before. It features exceptional voice clarity and enhanced speaker quality. It has a 2-port Fast Ethernet switch with PoE (Power over Ethernet) support, an extra-large 132×64-pixel graphical LCD with backlight showing a clear 5-line data display, 2-line keys, 4 soft keys, and a RJ-9 connector for optional headset. It supports up to 4 simultaneous calls.
 
Features Supported
•  Caller ID
•  Call waiting
•  Call waiting caller ID
•  Three way conference
•  Do Not Disturb
•  Message Waiting Indicator
•  Blind transfer (1-step transfer)
•  Supervise transfer (2-step transfer)
•  Extension dialing