The Avaya 5420 is an advanced, full duplex, large screen display telephone, with local call logging and a speed-dial directory.

Electronic key labels and label-less call appearance/feature keys simplify the administration. Local call log and speed dial directory enhance your productivity.

The Avaya 5400 series digital telephones bring state-of-the-art technology directly to your desktop, delivering efficient service, superior voice quality, along with cutting-edge communications features to meet your business needs.