With handset features such as color screen display, polyphonic ring tones and easy access to functions and features, the 420d, combined with the MBU 400 SIP-DECT gateway, increases Small Business productivity and efficiency.

The 420d handset is equipped with a 1.5", backlit color graphical display providing phone status, Caller ID, Call Waiting, DND, Transfer, Hold and a variety of information at-glance. This stylish handset also offers features such as speakerphone, intercom between handsets, vibrate functionality, polyphonic ring tones, twelve hours talk time capability and a large directory for up to 170 entries.

This handset is compatible with, and requires the use of the Aastra MBU 400. Up to 8 handsets can be registered with each MBU 400 base station.