Customer Support
Issue 3 April 2006 13
● EU24/EU24BL Expansion Module User Guide (555-250-702)
This document provides detailed information about the EU24/EU24BL Expansion
Module. The EU24/EU24BL is an optional attachment that provides additional Feature
buttons for the 4620/4620SW, 4621SW, or 4622SW IP Telephones.
● EU24/EU24BL Installation and Safety Instructions (555-233-136)
This document provides detailed installation instructions for the EU24/EU24BL
Expansion Module.
Customer Support
For 4600 Series IP Telephones’ support, call the Avaya support number provided to you by your
Avaya representative or Avaya reseller.
Information about Avaya products can be obtained at the following URL:
http://www.avaya.com/support
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