The Avaya 5420 is an advanced digital business telephone with superior audio quality.
The 5420 is equipped with a large 3 section screen which displays call logging information and allows access to the speed dial directory. There are a total 9 fixed feature keys provide fast access to standard telephony functions and 24 call appearance keys are spread cross the pages.
Working handsfree is achievable thanks to a duplex speakerphone and dedicated headset port. The Avaya 5420 can expand the amount of programmable keys it has through an AOM which provides an additional 24 programmable keys.