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Issue 3 April 2006 7
About This Guide
Overview
This guide covers how to use your new 4620/4620SW/4621SW IP Telephone. The 4620/
4620SW/4621SW is simple to use while offering the latest advances in telephony systems.
IP (Internet Protocol) telephones obtain their operational characteristics from your central
telephone server rather than residing in the phone unit itself. Updates and new features are
downloaded to your phone without intervention or the need for phone replacement.
This guide contains eight chapters, geared to how you actually use the phone, each of which is
described in the section titled Document Organization
.
Intended Audience
This document is intended for IP telephone users who have a 4620/4620SW/4621SW IP
Telephone. It is not intended to be a technical reference guide for System Administrators or
phone technicians.
Issue Date
This document was issued for the first time in July, 2002. It has been revised as follows:
● for Release 1.8 in June, 2003,
● for Release 2.0 in December, 2003,
● for Release 2.1 in July, 2004,
● for Release 2.2 in April, 2005, and
● for Issue 3 (Release 2.4) in April, 2006
The April 2006 version of this guide supersedes all previous versions.