Avaya Handsets
5400 Series Digital Telephones
Summary
Developed specifically to meet the needs of small and midsize businesses, the Avaya 5400 Series Digital Telephones incorporate sleek design, improved ergonomics, flexibility, and enterprise-class voice quality. These two-wire digital phones come in three models, all of which feature paperless button labels, local call log, and speed-dial directories.
- The 5402 model is a cost-effective telephone with features like a 2x24 display and two label-less appearances.
- The 5410 offers more robust capabilities, like a 5x29 display, twelve label-less call appearances, and a two-way speakerphone.
- The 5420 sports features like a large-scale display, online access for near-instant upgrades, and automatic key/button labeling. An available expansion unit provides 24 additional programmable buttons with associated display label and status icons.
Features & Benefits
Choose the phones that fit your business
With three different models, the 5400 Series lets you find the right balance of price and functionality for each user.
Enhance productivity
Call logging and a speed-dial directory give your employees quick access to the people and information they need.
Simplify maintenance
Automatic key/button labeling streamlines administration and maintenance.
Services
Software Support and Hardware MaintenanceAvaya delivers consistent, continuous, cost-effective maintenance for maximum performance and reliability of communications applications and solutions. Improving operations and productivity ultimately leads to better customer service and increased revenue.
Protect your Avaya investments with competitively priced, global, standardized support services designed to give your business maximum flexibility.
Software Support and Software Support Plus Upgrades provide 24/7 remote technical support; access to software services packs, patches, and minor releases; and access to the Avaya InSite Knowledge Base of in-depth technical diagnostic articles and troubleshooting tips. Software Support Plus Upgrades also allows access to major communications software upgrades that provide substantial investment protection.
Communications Hardware Maintenance can include
- Remote technical support for hardware
- Access to firmware patches and service packs
- EXPERT SystemsSM Diagnostic Tools: monitoring, diagnostics, and resolution
- Access to HealthCheck reports
- Parts replacement
- Onsite support on designated offers
Tech Info
The Avaya 5400 series adds several enhancements over previous generations of digital telephones and works exclusively with Avaya IP Office for the benefit of small and medium sized businesses. These include paperless button labels, local call log and speed dial directories, and streamlined styling consistent with Avaya IP telephones.

The Avaya 5402 is a cost effective two-wire digital telephone, for many office applications. It is designed to complement the 5410 mid-level and 5420 executive telephones. The 5402 has a 2-line x 24-character display with two label-less call appearances, a Listen-Only Speaker, 10 Fixed Feature Keys: Conference, Transfer, Drop, Redial, Speaker, Message, Hold, Mute, Volume Up & Down, and Feature (to access 12 additional dial pad features). The 5402 is Hearing Aid Compatible, has a Message Waiting Indicator that flashes when ringing, eight Personalized Ring Patterns and is either desk or wall mountable.
The Avaya 5410 is a flexible display telephone with several capabilities such as local call log and speed dial not available on previous generations of digital telephones. It has a 5 x 29 display with 12 label-less call appearances (in two screens); two-way speakerphone, 14 fixed feature keys, four softkeys, 12 shifted feature buttons, large message waiting indicator, headset jack, local language customization, eight Personalized Ring Patterns and is either desk or wall mountable.
The Avaya 5420 Digital Telephone sports an array of convenient features, while supporting expansion capabilities and effective integration with current infrastructure investments. This telephone provides a large-scale display for easy viewing and call control with 24 call appearance/feature buttons. Administration and ongoing maintenance is simplified as the switch automatically performs key/button labeling. This eliminates the time-consuming and laborious task of using paper labels to denote phone features, and reduces costs when moving phones among users or offices. Online access to electronic downloads gives near-instant access for key product upgrades and feature enhancements as they occur. Additional features such as call logging and a speed-dial directory help enhance overall productivity by providing users with the tools needed for more effective call tracking and faster outbound calling capabilities.
The EU24 is an add-on unit that works in association with the 5420 telephones. It provides an additional 24 programmable buttons with associated display label and status icons.