SIGNALS AND DISPLAYS

Audible Signals

Sound:

Meaning:

Long ringing

Incoming call

 

 

Single beep

Valid button press

 

 

Three-part tone

Page

 

 

Repeating three-part tone

Handset locator

 

 

Two short beeps

Handset is out of range

 

 

Four short beeps

Low battery

 

 

Long buzzing tone

Error—unsuccessful action

 

 

Series of ascending tones

Action has been successful

 

 

Message Window Displays:

When:

 

 

 

 

 

 

CL

You need to reset the clock

 

 

 

 

 

PH

The phone is in use

 

 

 

 

 

Ð Ð

System is taking a call or responding to

 

 

remote access

 

 

 

 

 

0 98

You have messages waiting

 

 

 

 

 

F, flashing

Answering system memory is full

 

 

 

 

 

Counting 0 to 59

Shows time elapsed while recording an

 

 

 

announcement or memo

 

 

 

 

 

 

0 7

 

 

 

Indicates volume level selected

 

 

 

 

 

AP

Announcement playback has been

 

 

selected

 

 

 

 

 

AO

System is set to Announce Only

 

 

 

 

 

SA

System is set to Toll Saver

 

 

 

 

 

CH

You have pressed c

 

 

 

 

 

SU

You have pressed U

 

 

 

 

 

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AT&T 7720 user manual Signals and Displays, Audible Signals