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The AVAYA 5420 digital telephone is a model designed for users that manage many calls for themselves and other users.

• 7 line x 29 character display
• 11 Fixed Feature Buttons 
• 24 Programmable Feature Buttons
  • Add additional buttons with the EU24-1XU optional expansion module
• Message Waiting Indicator 
• Two-way hands-free speaker and microphone 
• Desk or Wall Mountable 
• Integrated Headset Socket
• 8 Personalized Ring Patterns
• Hearing Aid Compatible
•  

Compatibility: For use with AVAYA IP Office systems and other systems capable of utilizing 5400 series phones.

Resources: Product Brochure (PDF)

Accessories include:

• AVAYA EU24 Expansion Module (700345192 / 700381817) 
• AVAYA 5400 Series replacement handset
• AVAYA handset cord - exact replacement

This item is known by the following part numbers: 5410, 700382005, 700345291