AT&T System 85 - Manual (Page 8)

CHAPTER 2. DESCRIPTION
BUSY TONE
A low-pitched tone repeated 60 times a minute —the extension number you dialed is in use.
CALL WAITING TONE
An on-off, high-pitched tone—the number of incoming calls waiting equals or exceeds the
limit set for the attendant console.
CONFIRMATION TONE
Three short bursts of tone—the action you took to activate or cancel a feature has been
accepted by the system.
DIAL TONE
A continuous steady tone—you may begin dialing or may activate a feature.
INTERCEPT TONE
An alternating high and low tone—either a dialing error or a denial of the service requested.
RECALL DIAL TONE
Three short bursts of tone followed by dial tone —the feature you requested has been
accepted and you may begin dialing.
REORDER TONE
A fast busy tone repeated 120 times a minute— all trunks or other facilities are busy.
TIMED REMINDER TONE
A high-pitched tone, on for about 1/3 second and off for about 1 second—a call has been on
hold at the console for 30 seconds or an Attendant Release Loop (ARL) call has been held
on the console for longer than a preestablished interval.
Attendant Console
The attendant console is an electronic device used to handle incoming and outgoing calls.
You can also use the console to manage your communications network. Any one system can
support up to 40 attendant consoles.
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