Signals And Displays; Audible Signals - AT&T 7720 User Manual

SIGNALS AND DISPLAYS

Audible Signals

Sound:
Long ringing
Single beep
Three-part tone
Repeating three-part tone
Two short beeps
Four short beeps
Long buzzing tone
Series of ascending tones
Message Window Displays:
CL
PH
– –
0 – 98
F, flashing
Counting 0 to 59
0 – 7
AP
AO
SA
CH
SU
44
Meaning:
Incoming call
Valid button press
Page
Handset locator
Handset is out of range
Low battery
Error—unsuccessful action
Action has been successful
When:
You need to reset the clock
The phone is in use
System is taking a call or responding to
remote access
You have messages waiting
Answering system memory is full
Shows time elapsed while recording an
announcement or memo
Indicates volume level selected
Announcement playback has been
selected
System is set to Announce Only
System is set to Toll Saver
You have pressed c
You have pressed U