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Conditions:
1. Error tone is heard when an invalid Account Code is entered, and the
telephone will return to an idle state.
2. When a valid account code is dialed the extension is connected to a CO
line, and the Account Code's Class of Service is verified before a call is
placed.
CALL ATTENDANT (OPERATOR)
0
The extension that is programmed as the Attendant may receive multiple
internal calls via the Operator Code 0.
Conditions:
1. The Operator Code (0) is in addition to the default assigned two-digit
intercom number for the extension.
2. The attendant two-digit extension number can be assigned to any feature
key.
CALL BACK – EXTENSION
#91
This feature allows the user to queue an extension which is busy, in Do Not
Disturb (DND), or idle. When a user sends a Call Back to a busy extension,
the Call Back process will begin when the busy extension hangs up. When
Call Back is sent to an idle extension, the Call Back process will begin once
the user performs an operation at that extension and then hangs up.
SLT Operation:
When the Call Back process begins the user will hear bursts of tone
signaling them to pick up the handset. The queued extension begins ringing.
Conditions:
1. To invoke a Call Back at an extension that is in the Voice Announce
mode, the user must press Force Tone Ringing (*).
2. The Call Back process begins when both the user's extension and the
called party's extension are idle (on-hook).
SINGLE LINE TELEPHONE USER GUIDE - 106
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