Avaya 555-233-781 - Manual (Page 10)

About This Guide
10 4620/4620SW/4621SW IP Telephone User Guide
For information about using an EU24/EU24BL Expansion Module with any of the telephones
described in this guide, see the EU24/EU24BL Expansion Module User Guide (Document
Number 555-250-702).
For information related to maintaining an IP telephone system on a Local Area Network, see the
4600 Series IP Telephone LAN Administrator Guide (Document Number 555-233-507).
Standard telephone features are described in the Overview for Avaya Communication Manager
(Document Number 03-300468).