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Avaya 1603 IP Phone

by Avaya (700415540)

Avaya 1603 IP Phone
Availability: Yes
$48.99 Sale Price:
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Important Product Support Notice:

Avaya has released Product Support Notices (PSN) for the firmware update 1.3.5. PSN #PSN004134u states if a newly purchased Avaya 1600 series IP phone with firmware 1.3.3 is installed on a system with firmware 1.3.2 available, the phone will become corrupted and inoperable. PSN #PSN004151u states that if 1.3.4B or 1.3.4A is installed on the phone, it might corrupt at anytime and become not usable. If either of these scenarios occur, the phone would need to be repaired or replaced.

Download Firmware Update

Read the full Avaya 1600 Series Product Support Notice

This is not covered under the AtlasPhone’s warranty.

Description of the Avaya 1603 IP Phone (700415540)

The Avaya 1603 IP is designed for the everyday user. It is good for use in common locations such as; Drop-in desks, stockrooms, offices, and lobbies. The user of the Avaya 1603 IP can be employees, visitors, or even customers. Sales staff, and cubicle worker who require a quality phone and rely on several forms of communication will fill the telephony needs of the everyday basic user.


  • Display: Backlit, 2.6"
  • 3 Line Appearances
  • Feature Keys
  • Dual LED's: Red, and Green
  • Fixed Feature Keys For Common Functions Such As;
    Conference, Transfer, Drop, Hold, and Mute
  • One Year Warranty Included with Extended Warranty Options at Low Prices!


  • 2 Rows by 16 Characters
  • 3 Line Appearances with Dual LED's
  • 2-Way Speakerphone
  • Message Waiting Indicator
  • Volume Buttons
  • Menu Buttons
  • Ethernet: Single (10/100) Line Interface
  • POE: Optional IEEE 802.3af Adapter
  • Three Call Appearances or Administrative Feature Keys Support
  • Protocol Support: H.323
  • Coded Support: G711, G726, G 729A/B
  • Language Supported: English, French, German, Spanish, Italian, Dutch, Portuguese, and Russian


  • Avaya Communication Manager 3.0 or higher
  • Local or Centralized Electrical Power
  • HTTP File Server


Avaya 1603 Datasheet

Avaya 1603 Quick Reference Guide

Avaya 1603 User Guide

Avaya 1600 Series Brochure

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Free Free UPS Ground shipping on orders of $500+. Within Continental U.S. (under $500 orders only $9.95)
A portion of each purchase will be donated to The Penrickton Center for Blind Children. For more information, visit
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