AT&T EL51103 - Quick Reference Guide - Telephone Base

Getting started
5
IN USE light
Flashes when there is an incoming call, or
another telephone sharing the same line
is in use.
Flashes when handsets are being
deregistered.
On when a handset is in use.
On when a handset is being registered.
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/HANDSET LOCATOR
Press to page all handsets (page 26).
Quick reference guide - telephone base