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Avaya IP Office 20DT ユーザーマニュアル
Page 4 - Handset Features

Using this Guide

Notes and Warnings

Page 4 - Using this Guide
This guide details the features that the 20DT handset supports by itself.
The handset may also be able to use other functions provided by the DECT
and PBX telephone systems with which it is working.
Refer to the manufacturer's instructions.
Equipment in some areas may cause interference with cordless handsets.
Other areas may have atmospheres that require the use of special
"intrinsically safe" equipment only. The 20DT handset is not classified as
intrinsically safe and must not be taken into these areas.
Unfortunately all types of cordless handset may cause background sound
on some hearing aids.
IP Office - 20DT Handset User's Guide
40DHB0002UKCH Issue 3 (25/09/2002)